The Tor Browser: modules/libpref/src/init/all.js@129ffea94266 (annotated)

modules/libpref/src/init/all.js@129ffea94266 (annotated)

modules/libpref/src/init/all.js

Sat, 03 Jan 2015 20:18:00 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Sat, 03 Jan 2015 20:18:00 +0100
branch: TOR_BUG_3246
changeset 7: 129ffea94266
permissions: -rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

 /* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 /* The prefs in this file are shipped with the GRE and should apply to all
  * embedding situations. Application-specific preferences belong somewhere else,
  * for example xpfe/bootstrap/browser-prefs.js
  *
  * Platform-specific #ifdefs at the end of this file override the generic
  * entries at the top.
  */
 /*
  * SYNTAX HINTS:
  *
  *  - Dashes are delimiters; use underscores instead.
  *  - The first character after a period must be alphabetic.
  *  - Computed values (e.g. 50 * 1024) don't work.
  */
 pref("keyword.enabled", false);
 pref("general.useragent.locale", "chrome://global/locale/intl.properties");
 pref("general.useragent.compatMode.firefox", false);
 // This pref exists only for testing purposes. In order to disable all
 // overrides by default, don't initialize UserAgentOverrides.jsm.
 pref("general.useragent.site_specific_overrides", true);
 pref("general.config.obscure_value", 13); // for MCD .cfg files
 pref("general.warnOnAboutConfig", true);
 // maximum number of dated backups to keep at any time
 pref("browser.bookmarks.max_backups",       5);
 // Preference for switching the cache backend, can be changed freely at runtime
 // 0 - use the old (Darin's) cache [DEFAULT]
 // 1 - use the new cache back-end (cache v2)
 // 2 - do a random choise for A/B testing (browser chooses old or new back-end at startup
 //     and keeps it per session)
 pref("browser.cache.use_new_backend",       0);
 pref("browser.cache.disk.enable",           true);
 // Is this the first-time smartsizing has been introduced?
 pref("browser.cache.disk.smart_size.first_run", true);
 // Does the user want smart-sizing?
 pref("browser.cache.disk.smart_size.enabled", true);
 // Which max value should we use for smart-sizing?
 pref("browser.cache.disk.smart_size.use_old_max", true);
 // Size (in KB) explicitly set by the user. Used when smart_size.enabled == false
 pref("browser.cache.disk.capacity",         256000);
 // Max-size (in KB) for entries in disk cache. Set to -1 for no limit.
 // (Note: entries bigger than 1/8 of disk-cache are never cached)
 pref("browser.cache.disk.max_entry_size",    51200);  // 50 MB
 pref("browser.cache.memory.enable",         true);
 // -1 = determine dynamically, 0 = none, n = memory capacity in kilobytes
 //pref("browser.cache.memory.capacity",     -1);
 // Max-size (in KB) for entries in memory cache. Set to -1 for no limit.
 // (Note: entries bigger than than 90% of the mem-cache are never cached)
 pref("browser.cache.memory.max_entry_size",  5120);
 pref("browser.cache.disk_cache_ssl",        true);
 // 0 = once-per-session, 1 = each-time, 2 = never, 3 = when-appropriate/automatically
 pref("browser.cache.check_doc_frequency",   3);
 // Limit of recent metadata we keep in memory for faster access, in Kb
 pref("browser.cache.disk.metadata_memory_limit", 250); // 0.25 MB
 pref("browser.cache.offline.enable",           true);
 // enable offline apps by default, disable prompt
 pref("offline-apps.allow_by_default",          true);
 // offline cache capacity in kilobytes
 pref("browser.cache.offline.capacity",         512000);
 // the user should be warned if offline app disk usage exceeds this amount
 // (in kilobytes)
 pref("offline-apps.quota.warn",        51200);
 // zlib compression level used for cache compression:
 // 0 => disable compression
 // 1 => best speed
 // 9 => best compression
 // cache compression turned off for now - see bug #715198
 pref("browser.cache.compression_level", 0);
 // Whether or not testing features are enabled.
 pref("dom.quotaManager.testing", false);
 // Whether or not indexedDB is enabled.
 pref("dom.indexedDB.enabled", true);
 // Space to allow indexedDB databases before prompting (in MB).
 pref("dom.indexedDB.warningQuota", 50);
 // Whether or not indexedDB experimental features are enabled.
 pref("dom.indexedDB.experimental", false);
 // Whether or not Web Workers are enabled.
 pref("dom.workers.enabled", true);
 // The number of workers per domain allowed to run concurrently.
 pref("dom.workers.maxPerDomain", 20);
 // Whether or not Shared Web Workers are enabled.
 pref("dom.workers.sharedWorkers.enabled", true);
 // Whether nonzero values can be returned from performance.timing.*
 pref("dom.enable_performance", true);
 // Whether resource timing will be gathered and returned by performance.GetEntries*
 pref("dom.enable_resource_timing", false);
 // Whether the Gamepad API is enabled
 pref("dom.gamepad.enabled", true);
 #ifdef RELEASE_BUILD
 pref("dom.gamepad.non_standard_events.enabled", false);
 #else
 pref("dom.gamepad.non_standard_events.enabled", true);
 #endif
 // Whether the UndoManager API is enabled
 pref("dom.undo_manager.enabled", false);
 // Fastback caching - if this pref is negative, then we calculate the number
 // of content viewers to cache based on the amount of available memory.
 pref("browser.sessionhistory.max_total_viewers", -1);
 pref("ui.use_native_colors", true);
 pref("ui.click_hold_context_menus", false);
 pref("browser.display.use_document_fonts",  1);  // 0 = never, 1 = quick, 2 = always
 pref("browser.display.use_document_colors", true);
 pref("browser.display.use_system_colors",   false);
 pref("browser.display.foreground_color",    "#000000");
 pref("browser.display.background_color",    "#FFFFFF");
 pref("browser.display.force_inline_alttext", false); // true = force ALT text for missing images to be layed out inline
 // 0 = no external leading,
 // 1 = use external leading only when font provides,
 // 2 = add extra leading both internal leading and external leading are zero
 pref("browser.display.normal_lineheight_calc_control", 2);
 pref("browser.display.show_image_placeholders", true); // true = show image placeholders while image is loaded and when image is broken
 // min font device pixel size at which to turn on high quality
 pref("browser.display.auto_quality_min_font_size", 20);
 pref("browser.anchor_color",                "#0000EE");
 pref("browser.active_color",                "#EE0000");
 pref("browser.visited_color",               "#551A8B");
 pref("browser.underline_anchors",           true);
 pref("browser.enable_automatic_image_resizing", false);
 pref("browser.enable_click_image_resizing", true);
 // See http://dev.w3.org/html5/spec/forms.html#attr-fe-autofocus
 pref("browser.autofocus", true);
 // See http://whatwg.org/specs/web-apps/current-work/#ping
 pref("browser.send_pings", false);
 pref("browser.send_pings.max_per_link", 1);           // limit the number of pings that are sent per link click
 pref("browser.send_pings.require_same_host", false);  // only send pings to the same host if this is true
 pref("browser.display.use_focus_colors",    false);
 pref("browser.display.focus_background_color", "#117722");
 pref("browser.display.focus_text_color",     "#ffffff");
 pref("browser.display.focus_ring_width",     1);
 pref("browser.display.focus_ring_on_anything", false);
 // focus ring border style.
 // 0 = solid border, 1 = dotted border
 pref("browser.display.focus_ring_style", 1);
 pref("browser.helperApps.alwaysAsk.force",  false);
 pref("browser.helperApps.neverAsk.saveToDisk", "");
 pref("browser.helperApps.neverAsk.openFile", "");
 pref("browser.helperApps.deleteTempFileOnExit", false);
 // xxxbsmedberg: where should prefs for the toolkit go?
 pref("browser.chrome.toolbar_tips",         true);
 // 0 = Pictures Only, 1 = Text Only, 2 = Pictures and Text
 pref("browser.chrome.toolbar_style",        2);
 // max image size for which it is placed in the tab icon for tabbrowser.
 // if 0, no images are used for tab icons for image documents.
 pref("browser.chrome.image_icons.max_size", 1024);
 pref("browser.triple_click_selects_paragraph", true);
 // Print/Preview Shrink-To-Fit won't shrink below 20% for text-ish documents.
 pref("print.shrink-to-fit.scale-limit-percent", 20);
 // Media cache size in kilobytes
 pref("media.cache_size", 512000);
 // Master HTML5 media volume scale.
 pref("media.volume_scale", "1.0");
 // Timeout for wakelock release
 pref("media.wakelock_timeout", 2000);
 #ifdef MOZ_WMF
 pref("media.windows-media-foundation.enabled", true);
 pref("media.windows-media-foundation.use-dxva", true);
 pref("media.windows-media-foundation.play-stand-alone", true);
 #endif
 #ifdef MOZ_DIRECTSHOW
 pref("media.directshow.enabled", true);
 #endif
 #ifdef MOZ_FMP4
 pref("media.fragmented-mp4.enabled", true);
 pref("media.fragmented-mp4.ffmpeg.enabled", false);
 // Denotes that the fragmented MP4 parser can be created by <video> elements.
 // This is for testing, since the parser can't yet handle non-fragmented MP4,
 // so it will fail to play most MP4 files.
 pref("media.fragmented-mp4.exposed", false);
 // Specifies whether the fragmented MP4 parser uses a test decoder that
 // just outputs blank frames/audio instead of actually decoding. The blank
 // decoder works on all platforms.
 pref("media.fragmented-mp4.use-blank-decoder", false);
 #endif
 #ifdef MOZ_RAW
 pref("media.raw.enabled", true);
 #endif
 pref("media.ogg.enabled", true);
 #ifdef MOZ_OPUS
 pref("media.opus.enabled", true);
 #endif
 #ifdef MOZ_WAVE
 pref("media.wave.enabled", true);
 #endif
 #ifdef MOZ_WEBM
 pref("media.webm.enabled", true);
 #endif
 #ifdef MOZ_GSTREAMER
 pref("media.gstreamer.enabled", true);
 #endif
 #ifdef MOZ_APPLEMEDIA
 pref("media.apple.mp3.enabled", true);
 #endif
 #ifdef MOZ_WEBRTC
 pref("media.navigator.enabled", true);
 pref("media.navigator.video.enabled", true);
 pref("media.navigator.load_adapt", false);
 pref("media.navigator.load_adapt.measure_interval",1000);
 pref("media.navigator.load_adapt.avg_seconds",3);
 pref("media.navigator.load_adapt.high_load","0.90");
 pref("media.navigator.load_adapt.low_load","0.40");
 pref("media.navigator.video.default_fps",30);
 pref("media.navigator.video.default_minfps",10);
 #ifdef MOZ_WIDGET_GONK
 pref("media.navigator.video.default_width",320);
 pref("media.navigator.video.default_height",240);
 pref("media.peerconnection.enabled", true);
 pref("media.peerconnection.video.enabled", true);
 pref("media.navigator.video.max_fs", 1200); // 640x480 == 1200mb
 pref("media.navigator.video.max_fr", 30);
 pref("media.peerconnection.video.h264_enabled", false);
 #else
 pref("media.navigator.video.default_width",0);  // adaptive default
 pref("media.navigator.video.default_height",0); // adaptive default
 pref("media.peerconnection.enabled", true);
 pref("media.peerconnection.video.enabled", true);
 pref("media.navigator.video.max_fs", 0); // unrestricted
 pref("media.navigator.video.max_fr", 0); // unrestricted
 #endif
 pref("media.navigator.permission.disabled", false);
 pref("media.peerconnection.default_iceservers", "[{\"url\": \"stun:stun.services.mozilla.com\"}]");
 pref("media.peerconnection.trickle_ice", true);
 pref("media.peerconnection.use_document_iceservers", true);
 // Do not enable identity before ensuring that the UX cannot be spoofed
 // see Bug 884573 for details
 // Do not enable identity before fixing domain comparison: see Bug 958741
 // Do not enable identity before fixing origin spoofing: see Bug 968335
 pref("media.peerconnection.identity.enabled", false);
 pref("media.peerconnection.identity.timeout", 10000);
 // These values (aec, agc, and noice) are from media/webrtc/trunk/webrtc/common_types.h
 // kXxxUnchanged = 0, kXxxDefault = 1, and higher values are specific to each
 // setting (for Xxx = Ec, Agc, or Ns).  Defaults are all set to kXxxDefault here.
 pref("media.peerconnection.turn.disable", false);
 pref("media.getusermedia.aec_enabled", true);
 pref("media.getusermedia.aec", 1);
 pref("media.getusermedia.agc_enabled", false);
 pref("media.getusermedia.agc", 1);
 pref("media.getusermedia.noise_enabled", true);
 pref("media.getusermedia.noise", 1);
 // Adjustments for OS-specific input delay (lower bound)
 // Adjustments for OS-specific AudioStream+cubeb+output delay (lower bound)
 #if defined(XP_MACOSX)
 pref("media.peerconnection.capture_delay", 50);
 pref("media.getusermedia.playout_delay", 10);
 #elif defined(XP_WIN)
 pref("media.peerconnection.capture_delay", 50);
 pref("media.getusermedia.playout_delay", 40);
 #elif defined(ANDROID)
 pref("media.peerconnection.capture_delay", 100);
 pref("media.getusermedia.playout_delay", 100);
 // Whether to enable Webrtc Hardware acceleration support
 pref("media.navigator.hardware.vp8_encode.acceleration_enabled", false);
 pref("media.navigator.hardware.vp8_decode.acceleration_enabled", false);
 #elif defined(XP_LINUX)
 pref("media.peerconnection.capture_delay", 70);
 pref("media.getusermedia.playout_delay", 50);
 #else
 // *BSD, others - merely a guess for now
 pref("media.peerconnection.capture_delay", 50);
 pref("media.getusermedia.playout_delay", 50);
 #endif
 #else
 #ifdef ANDROID
 pref("media.navigator.enabled", true);
 #endif
 #endif
 pref("media.tabstreaming.width", 320);
 pref("media.tabstreaming.height", 240);
 pref("media.tabstreaming.time_per_frame", 40);
 // TextTrack support
 pref("media.webvtt.enabled", true);
 pref("media.webvtt.regions.enabled", false);
 // Whether to enable MediaSource support
 pref("media.mediasource.enabled", false);
 #ifdef MOZ_WEBSPEECH
 pref("media.webspeech.recognition.enable", false);
 #endif
 #ifdef MOZ_WEBM_ENCODER
 pref("media.encoder.webm.enabled", true);
 #endif
 #ifdef MOZ_OMX_ENCODER
 pref("media.encoder.omx.enabled", true);
 #endif
 // Whether to autostart a media element with an |autoplay| attribute
 pref("media.autoplay.enabled", true);
 // The default number of decoded video frames that are enqueued in
 // MediaDecoderReader's mVideoQueue.
 pref("media.video-queue.default-size", 10);
 // Whether to disable the video stats to prevent fingerprinting
 pref("media.video_stats.enabled", true);
 // Whether to enable the audio writing APIs on the audio element
 pref("media.audio_data.enabled", false);
 // Whether to lock touch scrolling to one axis at a time
 // 0 = FREE (No locking at all)
 // 1 = STANDARD (Once locked, remain locked until scrolling ends)
 // 2 = STICKY (Allow lock to be broken, with hysteresis)
 pref("apz.axis_lock_mode", 0);
 // Whether to print the APZC tree for debugging
 pref("apz.printtree", false);
 // Layerize scrollable subframes to allow async panning
 pref("apz.subframe.enabled", false);
 #ifdef XP_MACOSX
 // Whether to run in native HiDPI mode on machines with "Retina"/HiDPI display;
 //   <= 0 : hidpi mode disabled, display will just use pixel-based upscaling
 //   == 1 : hidpi supported if all screens share the same backingScaleFactor
 //   >= 2 : hidpi supported even with mixed backingScaleFactors (somewhat broken)
 pref("gfx.hidpi.enabled", 2);
 #endif
 // Whether to enable LayerScope tool and default listening port
 pref("gfx.layerscope.enabled", false);
 pref("gfx.layerscope.port", 23456);
 // 0 = Off, 1 = Full, 2 = Tagged Images Only.
 // See eCMSMode in gfx/thebes/gfxPlatform.h
 pref("gfx.color_management.mode", 2);
 pref("gfx.color_management.display_profile", "");
 pref("gfx.color_management.rendering_intent", 0);
 pref("gfx.color_management.enablev4", false);
 pref("gfx.downloadable_fonts.enabled", true);
 pref("gfx.downloadable_fonts.fallback_delay", 3000);
 #ifdef ANDROID
 pref("gfx.bundled_fonts.enabled", true);
 pref("gfx.bundled_fonts.force-enabled", false);
 #endif
 pref("gfx.filter.nearest.force-enabled", false);
 // prefs controlling the font (name/cmap) loader that runs shortly after startup
 pref("gfx.font_loader.families_per_slice", 3); // read in info 3 families at a time
 #ifdef XP_WIN
 pref("gfx.font_loader.delay", 120000);         // 2 minutes after startup
 pref("gfx.font_loader.interval", 1000);        // every 1 second until complete
 #else
 pref("gfx.font_loader.delay", 8000);           // 8 secs after startup
 pref("gfx.font_loader.interval", 50);          // run every 50 ms
 #endif
 // whether to always search all font cmaps during system font fallback
 pref("gfx.font_rendering.fallback.always_use_cmaps", false);
 // cache shaped word results
 pref("gfx.font_rendering.wordcache.charlimit", 32);
 // cache shaped word results
 pref("gfx.font_rendering.wordcache.maxentries", 10000);
 pref("gfx.font_rendering.graphite.enabled", true);
 // Check intl/unicharutil/util/nsUnicodeProperties.h for definitions of script bits
 // in the ShapingType enumeration
 // Currently-defined bits:
 //  SHAPING_DEFAULT   = 0x0001,
 //  SHAPING_ARABIC    = 0x0002,
 //  SHAPING_HEBREW    = 0x0004,
 //  SHAPING_HANGUL    = 0x0008,
 //  SHAPING_MONGOLIAN = 0x0010,
 //  SHAPING_INDIC     = 0x0020,
 //  SHAPING_THAI      = 0x0040
 // (see http://mxr.mozilla.org/mozilla-central/ident?i=ShapingType)
 // Scripts not listed are grouped in the default category.
 // Set the pref to 255 to have all text shaped via the harfbuzz backend.
 // Default setting:
 // We use harfbuzz for all scripts (except when using AAT fonts on OS X).
 pref("gfx.font_rendering.harfbuzz.scripts", 255);
 #ifdef XP_WIN
 pref("gfx.font_rendering.directwrite.enabled", false);
 pref("gfx.font_rendering.directwrite.use_gdi_table_loading", true);
 #endif
 pref("gfx.font_rendering.opentype_svg.enabled", true);
 #ifdef XP_WIN
 // comma separated list of backends to use in order of preference
 // e.g., pref("gfx.canvas.azure.backends", "direct2d,skia,cairo");
 pref("gfx.canvas.azure.backends", "direct2d,skia,cairo");
 pref("gfx.content.azure.backends", "direct2d,cairo");
 #else
 #ifdef XP_MACOSX
 pref("gfx.content.azure.backends", "cg");
 pref("gfx.canvas.azure.backends", "cg");
 // Accelerated cg canvas where available (10.7+)
 pref("gfx.canvas.azure.accelerated", false);
 #else
 pref("gfx.canvas.azure.backends", "cairo");
 pref("gfx.content.azure.backends", "cairo");
 #endif
 #endif
 #ifdef MOZ_WIDGET_GTK2
 pref("gfx.content.azure.backends", "cairo");
 #endif
 #ifdef ANDROID
 pref("gfx.content.azure.backends", "cairo");
 #endif
 pref("gfx.work-around-driver-bugs", true);
 pref("gfx.prefer-mesa-llvmpipe", false);
 pref("accessibility.browsewithcaret", false);
 pref("accessibility.warn_on_browsewithcaret", true);
 pref("accessibility.browsewithcaret_shortcut.enabled", true);
 #ifndef XP_MACOSX
 // Tab focus model bit field:
 // 1 focuses text controls, 2 focuses other form elements, 4 adds links.
 // Most users will want 1, 3, or 7.
 // On OS X, we use Full Keyboard Access system preference,
 // unless accessibility.tabfocus is set by the user.
 pref("accessibility.tabfocus", 7);
 pref("accessibility.tabfocus_applies_to_xul", false);
 // On OS X, we follow the "Click in the scrollbar to:" system preference
 // unless this preference was set manually
 pref("ui.scrollToClick", 0);
 #else
 // Only on mac tabfocus is expected to handle UI widgets as well as web content
 pref("accessibility.tabfocus_applies_to_xul", true);
 #endif
 // provide ability to turn on support for canvas focus rings
 pref("canvas.focusring.enabled", false);
 pref("canvas.customfocusring.enabled", false);
 pref("canvas.hitregions.enabled", false);
 // Add support for canvas path objects
 pref("canvas.path.enabled", true);
 // We want the ability to forcibly disable platform a11y, because
 // some non-a11y-related components attempt to bring it up.  See bug
 // 538530 for details about Windows; we have a pref here that allows it
 // to be disabled for performance and testing resons.
 // See bug 761589 for the crossplatform aspect.
 //
 // This pref is checked only once, and the browser needs a restart to
 // pick up any changes.
 //
 // Values are -1 always on. 1 always off, 0 is auto as some platform perform
 // further checks.
 pref("accessibility.force_disabled", 0);
 #ifdef XP_WIN
 // Some accessibility tools poke at windows in the plugin process during setup
 // which can cause hangs.  To hack around this set accessibility.delay_plugins
 // to true, you can also try increasing accessibility.delay_plugin_time if your
 // machine is slow and you still experience hangs.
 // See bug 781791.
 pref("accessibility.delay_plugins", false);
 pref("accessibility.delay_plugin_time", 10000);
 #endif
 pref("focusmanager.testmode", false);
 pref("accessibility.usetexttospeech", "");
 pref("accessibility.usebrailledisplay", "");
 pref("accessibility.accesskeycausesactivation", true);
 pref("accessibility.mouse_focuses_formcontrol", false);
 // Type Ahead Find
 pref("accessibility.typeaheadfind", true);
 pref("accessibility.typeaheadfind.autostart", true);
 // casesensitive: controls the find bar's case-sensitivity
 //     0 - "never"  (case-insensitive)
 //     1 - "always" (case-sensitive)
 // other - "auto"   (case-sensitive for mixed-case input, insensitive otherwise)
 pref("accessibility.typeaheadfind.casesensitive", 0);
 pref("accessibility.typeaheadfind.linksonly", true);
 pref("accessibility.typeaheadfind.startlinksonly", false);
 pref("accessibility.typeaheadfind.timeout", 4000);
 pref("accessibility.typeaheadfind.enabletimeout", true);
 pref("accessibility.typeaheadfind.soundURL", "beep");
 pref("accessibility.typeaheadfind.enablesound", true);
 #ifdef XP_MACOSX
 pref("accessibility.typeaheadfind.prefillwithselection", false);
 #else
 pref("accessibility.typeaheadfind.prefillwithselection", true);
 #endif
 // use Mac OS X Appearance panel text smoothing setting when rendering text, disabled by default
 pref("gfx.use_text_smoothing_setting", false);
 // loading and rendering of framesets and iframes
 pref("browser.frames.enabled", true);
 // Number of characters to consider emphasizing for rich autocomplete results
 pref("toolkit.autocomplete.richBoundaryCutoff", 200);
 // Variable controlling logging for osfile.
 pref("toolkit.osfile.log", false);
 pref("toolkit.scrollbox.smoothScroll", true);
 pref("toolkit.scrollbox.scrollIncrement", 20);
 pref("toolkit.scrollbox.verticalScrollDistance", 3);
 pref("toolkit.scrollbox.horizontalScrollDistance", 5);
 pref("toolkit.scrollbox.clickToScroll.scrollDelay", 150);
 pref("toolkit.telemetry.server", "https://incoming.telemetry.mozilla.org");
 // Telemetry server owner. Please change if you set toolkit.telemetry.server to a different server
 pref("toolkit.telemetry.server_owner", "Mozilla");
 // Information page about telemetry (temporary ; will be about:telemetry in the end)
 pref("toolkit.telemetry.infoURL", "https://www.mozilla.org/legal/privacy/firefox.html#telemetry");
 // Determines whether full SQL strings are returned when they might contain sensitive info
 // i.e. dynamically constructed SQL strings or SQL executed by addons against addon DBs
 pref("toolkit.telemetry.debugSlowSql", false);
 // Identity module
 pref("toolkit.identity.enabled", false);
 pref("toolkit.identity.debug", false);
 // AsyncShutdown delay before crashing in case of shutdown freeze
 pref("toolkit.asyncshutdown.timeout.crash", 60000);
 // Enable deprecation warnings.
 pref("devtools.errorconsole.deprecation_warnings", true);
 // Disable debugging chrome
 pref("devtools.chrome.enabled", false);
 // Disable remote debugging protocol logging
 pref("devtools.debugger.log", false);
 // Disable remote debugging connections
 pref("devtools.debugger.remote-enabled", false);
 pref("devtools.debugger.remote-port", 6000);
 // Force debugger server binding on the loopback interface
 pref("devtools.debugger.force-local", true);
 // Display a prompt when a new connection starts to accept/reject it
 pref("devtools.debugger.prompt-connection", true);
 // Block tools from seeing / interacting with certified apps
 pref("devtools.debugger.forbid-certified-apps", true);
 // DevTools default color unit
 pref("devtools.defaultColorUnit", "hex");
 // Used for devtools debugging
 pref("devtools.dump.emit", false);
 // view source
 pref("view_source.syntax_highlight", true);
 pref("view_source.wrap_long_lines", false);
 pref("view_source.editor.external", false);
 pref("view_source.editor.path", "");
 // allows to add further arguments to the editor; use the %LINE% placeholder
 // for jumping to a specific line (e.g. "/line:%LINE%" or "--goto %LINE%")
 pref("view_source.editor.args", "");
 // When true this will word-wrap plain text documents.
 pref("plain_text.wrap_long_lines", false);
 // whether or not to draw images while dragging
 pref("nglayout.enable_drag_images", true);
 // enable/disable paint flashing --- useful for debugging
 // the first one applies to everything, the second one only to chrome
 pref("nglayout.debug.paint_flashing", false);
 pref("nglayout.debug.paint_flashing_chrome", false);
 // enable/disable widget update area flashing --- only supported with
 // BasicLayers (other layer managers always update the entire widget area)
 pref("nglayout.debug.widget_update_flashing", false);
 // Whether image visibility is enabled globally (ie we will try to unlock images
 // that are not visible).
 pref("layout.imagevisibility.enabled", true);
 // Whether image visibility is enabled in documents that are within a browser
 // element as defined by nsDocShell::FrameType and GetInheritedFrameType. This
 // pref only has an effect if layout.imagevisibility.enabled is false.
 pref("layout.imagevisibility.enabled_for_browser_elements_only", false);
 pref("layout.imagevisibility.numscrollportwidths", 0);
 pref("layout.imagevisibility.numscrollportheights", 1);
 // scrollbar snapping region
 // 0 - off
 // 1 and higher - slider thickness multiple
 pref("slider.snapMultiplier", 0);
 // option to choose plug-in finder
 pref("application.use_ns_plugin_finder", false);
 // URI fixup prefs
 pref("browser.fixup.alternate.enabled", true);
 pref("browser.fixup.alternate.prefix", "www.");
 pref("browser.fixup.alternate.suffix", ".com");
 pref("browser.fixup.hide_user_pass", true);
 // Location Bar AutoComplete
 pref("browser.urlbar.autocomplete.enabled", true);
 // Print header customization
 // Use the following codes:
 // &T - Title
 // &U - Document URL
 // &D - Date/Time
 // &P - Page Number
 // &PT - Page Number "of" Page total
 // Set each header to a string containing zero or one of these codes
 // and the code will be replaced in that string by the corresponding data
 pref("print.print_headerleft", "&T");
 pref("print.print_headercenter", "");
 pref("print.print_headerright", "&U");
 pref("print.print_footerleft", "&PT");
 pref("print.print_footercenter", "");
 pref("print.print_footerright", "&D");
 pref("print.show_print_progress", true);
 // xxxbsmedberg: more toolkit prefs
 // When this is set to false each window has its own PrintSettings
 // and a change in one window does not affect the others
 pref("print.use_global_printsettings", true);
 // Save the Printings after each print job
 pref("print.save_print_settings", true);
 // Cache old Presentation when going into Print Preview
 pref("print.always_cache_old_pres", false);
 // Enables you to specify the amount of the paper that is to be treated
 // as unwriteable.  The print_edge_XXX and print_margin_XXX preferences
 // are treated as offsets that are added to this pref.
 // Default is "-1", which means "use the system default".  (If there is
 // no system default, then the -1 is treated as if it were 0.)
 // This is used by both Printing and Print Preview.
 // Units are in 1/100ths of an inch.
 pref("print.print_unwriteable_margin_top",    -1);
 pref("print.print_unwriteable_margin_left",   -1);
 pref("print.print_unwriteable_margin_right",  -1);
 pref("print.print_unwriteable_margin_bottom", -1);
 // Enables you to specify the gap from the edge of the paper's
 // unwriteable area to the margin.
 // This is used by both Printing and Print Preview
 // Units are in 1/100ths of an inch.
 pref("print.print_edge_top", 0);
 pref("print.print_edge_left", 0);
 pref("print.print_edge_right", 0);
 pref("print.print_edge_bottom", 0);
 // Pref used by the spellchecker extension to control the
 // maximum number of misspelled words that will be underlined
 // in a document.
 pref("extensions.spellcheck.inline.max-misspellings", 500);
 // Prefs used by libeditor. Prefs specific to seamonkey composer
 // belong in comm-central/editor/ui/composer.js
 pref("editor.use_custom_colors", false);
 pref("editor.singleLine.pasteNewlines",      2);
 pref("editor.use_css",                       false);
 pref("editor.css.default_length_unit",       "px");
 pref("editor.resizing.preserve_ratio",       true);
 pref("editor.positioning.offset",            0);
 // Scripts & Windows prefs
 pref("dom.disable_beforeunload",            false);
 pref("dom.disable_image_src_set",           false);
 pref("dom.disable_window_flip",             false);
 pref("dom.disable_window_move_resize",      false);
 pref("dom.disable_window_status_change",    false);
 pref("dom.disable_window_open_feature.titlebar",    false);
 pref("dom.disable_window_open_feature.close",       false);
 pref("dom.disable_window_open_feature.toolbar",     false);
 pref("dom.disable_window_open_feature.location",    false);
 pref("dom.disable_window_open_feature.personalbar", false);
 pref("dom.disable_window_open_feature.menubar",     false);
 pref("dom.disable_window_open_feature.scrollbars",  false);
 pref("dom.disable_window_open_feature.resizable",   true);
 pref("dom.disable_window_open_feature.minimizable", false);
 pref("dom.disable_window_open_feature.status",      true);
 pref("dom.allow_scripts_to_close_windows",          false);
 pref("dom.disable_open_during_load",                false);
 pref("dom.popup_maximum",                           20);
 pref("dom.popup_allowed_events", "change click dblclick mouseup reset submit touchend");
 pref("dom.disable_open_click_delay", 1000);
 pref("dom.storage.enabled", true);
 pref("dom.storage.default_quota",      5120);
 pref("dom.send_after_paint_to_content", false);
 // Timeout clamp in ms for timeouts we clamp
 pref("dom.min_timeout_value", 4);
 // And for background windows
 pref("dom.min_background_timeout_value", 1000);
 // Don't use new input types
 pref("dom.experimental_forms", false);
 // Enable <input type=number>:
 pref("dom.forms.number", true);
 // Enable <input type=color> by default. It will be turned off for remaining
 // platforms which don't have a color picker implemented yet.
 pref("dom.forms.color", true);
 // Enables system messages and activities
 pref("dom.sysmsg.enabled", false);
 // Enable pre-installed applications.
 pref("dom.webapps.useCurrentProfile", false);
 pref("dom.cycle_collector.incremental", false);
 // Parsing perf prefs. For now just mimic what the old code did.
 #ifndef XP_WIN
 pref("content.sink.pending_event_mode", 0);
 #endif
 // Disable popups from plugins by default
 //   0 = openAllowed
 //   1 = openControlled
 //   2 = openAbused
 pref("privacy.popups.disable_from_plugins", 2);
 // "do not track" HTTP header, disabled by default
 pref("privacy.donottrackheader.enabled",    false);
 //   0 = tracking is acceptable
 //   1 = tracking is unacceptable
 pref("privacy.donottrackheader.value",      1);
 pref("dom.event.contextmenu.enabled",       true);
 pref("dom.event.clipboardevents.enabled",   true);
 pref("dom.webcomponents.enabled",           false);
 pref("javascript.enabled",                  true);
 pref("javascript.options.strict",           false);
 #ifdef DEBUG
 pref("javascript.options.strict.debug",     true);
 #endif
 pref("javascript.options.baselinejit",      true);
 pref("javascript.options.ion",              true);
 pref("javascript.options.asmjs",            true);
 pref("javascript.options.parallel_parsing", true);
 pref("javascript.options.ion.parallel_compilation", true);
 // This preference instructs the JS engine to discard the
 // source of any privileged JS after compilation. This saves
 // memory, but makes things like Function.prototype.toSource()
 // fail.
 pref("javascript.options.discardSystemSource", false);
 // This preference limits the memory usage of javascript.
 // If you want to change these values for your device,
 // please find Bug 417052 comment 17 and Bug 456721
 // Comment 32 and Bug 613551.
 pref("javascript.options.mem.high_water_mark", 128);
 pref("javascript.options.mem.max", -1);
 pref("javascript.options.mem.gc_per_compartment", true);
 pref("javascript.options.mem.gc_incremental", true);
 pref("javascript.options.mem.gc_incremental_slice_ms", 10);
 pref("javascript.options.mem.log", false);
 pref("javascript.options.mem.notify", false);
 pref("javascript.options.gc_on_memory_pressure", true);
 pref("javascript.options.mem.gc_high_frequency_time_limit_ms", 1000);
 pref("javascript.options.mem.gc_high_frequency_low_limit_mb", 100);
 pref("javascript.options.mem.gc_high_frequency_high_limit_mb", 500);
 pref("javascript.options.mem.gc_high_frequency_heap_growth_max", 300);
 pref("javascript.options.mem.gc_high_frequency_heap_growth_min", 150);
 pref("javascript.options.mem.gc_low_frequency_heap_growth", 150);
 pref("javascript.options.mem.gc_dynamic_heap_growth", true);
 pref("javascript.options.mem.gc_dynamic_mark_slice", true);
 pref("javascript.options.mem.gc_allocation_threshold_mb", 30);
 pref("javascript.options.mem.gc_decommit_threshold_mb", 32);
 pref("javascript.options.showInConsole", false);
 // advanced prefs
 pref("advanced.mailftp",                    false);
 pref("image.animation_mode",                "normal");
 // Same-origin policy for file URIs, "false" is traditional
 pref("security.fileuri.strict_origin_policy", true);
 // If there is ever a security firedrill that requires
 // us to block certian ports global, this is the pref
 // to use.  Is is a comma delimited list of port numbers
 // for example:
 //   pref("network.security.ports.banned", "1,2,3,4,5");
 // prevents necko connecting to ports 1-5 unless the protocol
 // overrides.
 // Allow necko to do A/B testing. Will generally only happen if
 // telemetry is also enabled as otherwise there is no way to report
 // the results
 pref("network.allow-experiments", true);
 // Transmit UDP busy-work to the LAN when anticipating low latency
 // network reads and on wifi to mitigate 802.11 Power Save Polling delays
 pref("network.tickle-wifi.enabled", false);
 pref("network.tickle-wifi.duration", 400);
 pref("network.tickle-wifi.delay", 16);
 // Turn off interprocess security checks. Needed to run xpcshell tests.
 pref("network.disable.ipc.security", false);
 // Default action for unlisted external protocol handlers
 pref("network.protocol-handler.external-default", true);      // OK to load
 pref("network.protocol-handler.warn-external-default", true); // warn before load
 // Prevent using external protocol handlers for these schemes
 pref("network.protocol-handler.external.hcp", false);
 pref("network.protocol-handler.external.vbscript", false);
 pref("network.protocol-handler.external.javascript", false);
 pref("network.protocol-handler.external.data", false);
 pref("network.protocol-handler.external.ms-help", false);
 pref("network.protocol-handler.external.shell", false);
 pref("network.protocol-handler.external.vnd.ms.radio", false);
 #ifdef XP_MACOSX
 pref("network.protocol-handler.external.help", false);
 #endif
 pref("network.protocol-handler.external.disk", false);
 pref("network.protocol-handler.external.disks", false);
 pref("network.protocol-handler.external.afp", false);
 pref("network.protocol-handler.external.moz-icon", false);
 // Don't allow  external protocol handlers for common typos
 pref("network.protocol-handler.external.ttp", false);  // http
 pref("network.protocol-handler.external.ttps", false); // https
 pref("network.protocol-handler.external.tps", false);  // https
 pref("network.protocol-handler.external.ps", false);   // https
 pref("network.protocol-handler.external.ile", false);  // file
 pref("network.protocol-handler.external.le", false);   // file
 // An exposed protocol handler is one that can be used in all contexts.  A
 // non-exposed protocol handler is one that can only be used internally by the
 // application.  For example, a non-exposed protocol would not be loaded by the
 // application in response to a link click or a X-remote openURL command.
 // Instead, it would be deferred to the system's external protocol handler.
 // Only internal/built-in protocol handlers can be marked as exposed.
 // This pref controls the default settings.  Per protocol settings can be used
 // to override this value.
 pref("network.protocol-handler.expose-all", true);
 // Warning for about:networking page
 pref("network.warnOnAboutNetworking", true);
 // Example: make IMAP an exposed protocol
 // pref("network.protocol-handler.expose.imap", true);
 // <http>
 pref("network.http.version", "1.1");      // default
 // pref("network.http.version", "1.0");   // uncomment this out in case of problems
 // pref("network.http.version", "0.9");   // it'll work too if you're crazy
 // keep-alive option is effectively obsolete. Nevertheless it'll work with
 // some older 1.0 servers:
 pref("network.http.proxy.version", "1.1");    // default
 // pref("network.http.proxy.version", "1.0"); // uncomment this out in case of problems
                                               // (required if using junkbuster proxy)
 // enable caching of http documents
 pref("network.http.use-cache", true);
 // this preference can be set to override the socket type used for normal
 // HTTP traffic.  an empty value indicates the normal TCP/IP socket type.
 pref("network.http.default-socket-type", "");
 // There is a problem with some IIS7 servers that don't close the connection
 // properly after it times out (bug #491541). Default timeout on IIS7 is
 // 120 seconds. We need to reuse or drop the connection within this time.
 // We set the timeout a little shorter to keep a reserve for cases when
 // the packet is lost or delayed on the route.
 pref("network.http.keep-alive.timeout", 115);
 // Timeout connections if an initial response is not received after 5 mins.
 pref("network.http.response.timeout", 300);
 // Limit the absolute number of http connections.
 // Note: the socket transport service will clamp the number below 256 if the OS
 // cannot allocate that many FDs, and it also always tries to reserve up to 250
 // file descriptors for things other than sockets.
 pref("network.http.max-connections", 256);
 // If NOT connecting via a proxy, then
 // a new connection will only be attempted if the number of active persistent
 // connections to the server is less then max-persistent-connections-per-server.
 pref("network.http.max-persistent-connections-per-server", 6);
 // If connecting via a proxy, then a
 // new connection will only be attempted if the number of active persistent
 // connections to the proxy is less then max-persistent-connections-per-proxy.
 pref("network.http.max-persistent-connections-per-proxy", 32);
 // amount of time (in seconds) to suspend pending requests, before spawning a
 // new connection, once the limit on the number of persistent connections per
 // host has been reached.  however, a new connection will not be created if
 // max-connections or max-connections-per-server has also been reached.
 pref("network.http.request.max-start-delay", 10);
 // Headers
 pref("network.http.accept.default", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
 // Prefs allowing granular control of referers
 // 0=don't send any, 1=send only on clicks, 2=send on image requests as well
 pref("network.http.sendRefererHeader",      2);
 // false=real referer, true=spoof referer (use target URI as referer)
 pref("network.http.referer.spoofSource", false);
 // 0=full URI, 1=scheme+host+port+path, 2=scheme+host+port
 pref("network.http.referer.trimmingPolicy", 0);
 // 0=always send, 1=send iff base domains match, 2=send iff hosts match
 pref("network.http.referer.XOriginPolicy", 0);
 // Controls whether we send HTTPS referres to other HTTPS sites.
 // By default this is enabled for compatibility (see bug 141641)
 pref("network.http.sendSecureXSiteReferrer", true);
 // Maximum number of consecutive redirects before aborting.
 pref("network.http.redirection-limit", 20);
 // Enable http compression: comment this out in case of problems with 1.1
 // NOTE: support for "compress" has been disabled per bug 196406.
 // NOTE: separate values with comma+space (", "): see bug 576033
 pref("network.http.accept-encoding", "gzip, deflate");
 pref("network.http.pipelining"      , false);
 pref("network.http.pipelining.ssl"  , false); // disable pipelining over SSL
 pref("network.http.pipelining.abtest", false);
 pref("network.http.proxy.pipelining", false);
 // Max number of requests in the pipeline
 pref("network.http.pipelining.maxrequests" , 32);
 // An optimistic request is one pipelined when policy might allow a new
 // connection instead
 pref("network.http.pipelining.max-optimistic-requests" , 4);
 pref("network.http.pipelining.aggressive", false);
 pref("network.http.pipelining.maxsize" , 300000);
 pref("network.http.pipelining.reschedule-on-timeout", true);
 pref("network.http.pipelining.reschedule-timeout", 1500);
 // The read-timeout is a ms timer that causes the transaction to be completely
 // restarted without pipelining.
 pref("network.http.pipelining.read-timeout", 30000);
 // Prompt for 307 redirects
 pref("network.http.prompt-temp-redirect", true);
 // If true generate CORRUPTED_CONTENT errors for entities that
 // contain an invalid Assoc-Req response header
 pref("network.http.assoc-req.enforce", false);
 // On networks deploying QoS, it is recommended that these be lockpref()'d,
 // since inappropriate marking can easily overwhelm bandwidth reservations
 // for certain services (i.e. EF for VoIP, AF4x for interactive video,
 // AF3x for broadcast/streaming video, etc)
 // default value for HTTP
 // in a DSCP environment this should be 40 (0x28, or AF11), per RFC-4594,
 // Section 4.8 "High-Throughput Data Service Class"
 pref("network.http.qos", 0);
 // The number of milliseconds after sending a SYN for an HTTP connection,
 // to wait before trying a different connection. 0 means do not use a second
 // connection.
 pref("network.http.connection-retry-timeout", 250);
 // The number of seconds after sending initial SYN for an HTTP connection
 // to give up if the OS does not give up first
 pref("network.http.connection-timeout", 90);
 // The maximum number of current global half open sockets allowable
 // when starting a new speculative connection.
 pref("network.http.speculative-parallel-limit", 6);
 // Whether or not to block requests for non head js/css items (e.g. media)
 // while those elements load.
 pref("network.http.rendering-critical-requests-prioritization", true);
 // Disable IPv6 for backup connections to workaround problems about broken
 // IPv6 connectivity.
 pref("network.http.fast-fallback-to-IPv4", true);
 // The maximum amount of time the cache session lock can be held
 // before a new transaction bypasses the cache. In milliseconds.
 #ifdef RELEASE_BUILD
 pref("network.http.bypass-cachelock-threshold", 200000);
 #else
 pref("network.http.bypass-cachelock-threshold", 250);
 #endif
 // Try and use SPDY when using SSL
 pref("network.http.spdy.enabled", true);
 pref("network.http.spdy.enabled.v3", true);
 pref("network.http.spdy.enabled.v3-1", true);
 pref("network.http.spdy.enabled.http2draft", false);
 pref("network.http.spdy.enforce-tls-profile", true);
 pref("network.http.spdy.chunk-size", 16000);
 pref("network.http.spdy.timeout", 180);
 pref("network.http.spdy.coalesce-hostnames", true);
 pref("network.http.spdy.persistent-settings", false);
 pref("network.http.spdy.ping-threshold", 58);
 pref("network.http.spdy.ping-timeout", 8);
 pref("network.http.spdy.send-buffer-size", 131072);
 pref("network.http.spdy.allow-push", true);
 pref("network.http.spdy.push-allowance", 131072);
 pref("network.http.diagnostics", false);
 pref("network.http.pacing.requests.enabled", true);
 pref("network.http.pacing.requests.min-parallelism", 6);
 pref("network.http.pacing.requests.hz", 100);
 pref("network.http.pacing.requests.burst", 32);
 // TCP Keepalive config for HTTP connections.
 pref("network.http.tcp_keepalive.short_lived_connections", true);
 // Max time from initial request during which conns are considered short-lived.
 pref("network.http.tcp_keepalive.short_lived_time", 60);
 // Idle time of TCP connection until first keepalive probe sent.
 pref("network.http.tcp_keepalive.short_lived_idle_time", 10);
 pref("network.http.tcp_keepalive.long_lived_connections", true);
 pref("network.http.tcp_keepalive.long_lived_idle_time", 600);
 // default values for FTP
 // in a DSCP environment this should be 40 (0x28, or AF11), per RFC-4594,
 // Section 4.8 "High-Throughput Data Service Class", and 80 (0x50, or AF22)
 // per Section 4.7 "Low-Latency Data Service Class".
 pref("network.ftp.data.qos", 0);
 pref("network.ftp.control.qos", 0);
 // </http>
 // <ws>: WebSocket
 pref("network.websocket.enabled", true);
 // 2147483647 == PR_INT32_MAX == ~2 GB
 pref("network.websocket.max-message-size", 2147483647);
 // Should we automatically follow http 3xx redirects during handshake
 pref("network.websocket.auto-follow-http-redirects", false);
 // the number of seconds to wait for websocket connection to be opened
 pref("network.websocket.timeout.open", 20);
 // the number of seconds to wait for a clean close after sending the client
 // close message
 pref("network.websocket.timeout.close", 20);
 // the number of seconds of idle read activity to sustain before sending a
 // ping probe. 0 to disable.
 pref("network.websocket.timeout.ping.request", 0);
 // the deadline, expressed in seconds, for some read activity to occur after
 // generating a ping. If no activity happens then an error and unclean close
 // event is sent to the javascript websockets application
 pref("network.websocket.timeout.ping.response", 10);
 // Defines whether or not to try and negotiate the stream-deflate compression
 // extension with the websocket server. Stream-Deflate has been removed from
 // the standards track document, but can still be used by servers who opt
 // into it.
 pref("network.websocket.extensions.stream-deflate", false);
 // the maximum number of concurrent websocket sessions. By specification there
 // is never more than one handshake oustanding to an individual host at
 // one time.
 pref("network.websocket.max-connections", 200);
 // by default scripts loaded from a https:// origin can only open secure
 // (i.e. wss://) websockets.
 pref("network.websocket.allowInsecureFromHTTPS", false);
 // by default we delay websocket reconnects to same host/port if previous
 // connection failed, per RFC 6455 section 7.2.3
 pref("network.websocket.delay-failed-reconnects", true);
 // </ws>
 // Server-Sent Events
 pref("dom.server-events.enabled", true);
 // Equal to the DEFAULT_RECONNECTION_TIME_VALUE value in nsEventSource.cpp
 pref("dom.server-events.default-reconnection-time", 5000); // in milliseconds
 // If false, remote JAR files that are served with a content type other than
 // application/java-archive or application/x-jar will not be opened
 // by the jar channel.
 pref("network.jar.open-unsafe-types", false);
 // This preference, if true, causes all UTF-8 domain names to be normalized to
 // punycode.  The intention is to allow UTF-8 domain names as input, but never
 // generate them from punycode.
 pref("network.IDN_show_punycode", false);
 // If "network.IDN.use_whitelist" is set to true, TLDs with
 // "network.IDN.whitelist.tld" explicitly set to true are treated as
 // IDN-safe. Otherwise, they're treated as unsafe and punycode will be used
 // for displaying them in the UI (e.g. URL bar), unless they conform to one of
 // the profiles specified in
 // http://www.unicode.org/reports/tr36/proposed.html#Security_Levels_and_Alerts
 // If "network.IDN.restriction_profile" is "high", the Highly Restrictive
 // profile is used.
 // If "network.IDN.restriction_profile" is "moderate", the Moderately
 // Restrictive profile is used.
 // In all other cases, the ASCII-Only profile is used.
 // Note that these preferences are referred to ONLY when
 // "network.IDN_show_punycode" is false. In other words, all IDNs will be shown
 // in punycode if "network.IDN_show_punycode" is true.
 pref("network.IDN.restriction_profile", "moderate");
 pref("network.IDN.use_whitelist", true);
 // ccTLDs
 pref("network.IDN.whitelist.ac", true);
 pref("network.IDN.whitelist.ar", true);
 pref("network.IDN.whitelist.at", true);
 pref("network.IDN.whitelist.br", true);
 pref("network.IDN.whitelist.ca", true);
 pref("network.IDN.whitelist.ch", true);
 pref("network.IDN.whitelist.cl", true);
 pref("network.IDN.whitelist.cn", true);
 pref("network.IDN.whitelist.de", true);
 pref("network.IDN.whitelist.dk", true);
 pref("network.IDN.whitelist.ee", true);
 pref("network.IDN.whitelist.es", true);
 pref("network.IDN.whitelist.fi", true);
 pref("network.IDN.whitelist.fr", true);
 pref("network.IDN.whitelist.gr", true);
 pref("network.IDN.whitelist.gt", true);
 pref("network.IDN.whitelist.hu", true);
 pref("network.IDN.whitelist.il", true);
 pref("network.IDN.whitelist.io", true);
 pref("network.IDN.whitelist.ir", true);
 pref("network.IDN.whitelist.is", true);
 pref("network.IDN.whitelist.jp", true);
 pref("network.IDN.whitelist.kr", true);
 pref("network.IDN.whitelist.li", true);
 pref("network.IDN.whitelist.lt", true);
 pref("network.IDN.whitelist.lu", true);
 pref("network.IDN.whitelist.lv", true);
 pref("network.IDN.whitelist.no", true);
 pref("network.IDN.whitelist.nu", true);
 pref("network.IDN.whitelist.nz", true);
 pref("network.IDN.whitelist.pl", true);
 pref("network.IDN.whitelist.pm", true);
 pref("network.IDN.whitelist.pr", true);
 pref("network.IDN.whitelist.re", true);
 pref("network.IDN.whitelist.se", true);
 pref("network.IDN.whitelist.sh", true);
 pref("network.IDN.whitelist.si", true);
 pref("network.IDN.whitelist.tf", true);
 pref("network.IDN.whitelist.th", true);
 pref("network.IDN.whitelist.tm", true);
 pref("network.IDN.whitelist.tw", true);
 pref("network.IDN.whitelist.ua", true);
 pref("network.IDN.whitelist.vn", true);
 pref("network.IDN.whitelist.wf", true);
 pref("network.IDN.whitelist.yt", true);
 // IDN ccTLDs
 // ae, UAE, .<Emarat>
 pref("network.IDN.whitelist.xn--mgbaam7a8h", true);
 // cn, China, .<China> with variants
 pref("network.IDN.whitelist.xn--fiqz9s", true); // Traditional
 pref("network.IDN.whitelist.xn--fiqs8s", true); // Simplified
 // eg, Egypt, .<Masr>
 pref("network.IDN.whitelist.xn--wgbh1c", true);
 // hk, Hong Kong, .<Hong Kong>
 pref("network.IDN.whitelist.xn--j6w193g", true);
 // ir, Iran, <.Iran> with variants
 pref("network.IDN.whitelist.xn--mgba3a4f16a", true);
 pref("network.IDN.whitelist.xn--mgba3a4fra", true);
 // jo, Jordan, .<Al-Ordon>
 pref("network.IDN.whitelist.xn--mgbayh7gpa", true);
 // lk, Sri Lanka, .<Lanka> and .<Ilangai>
 pref("network.IDN.whitelist.xn--fzc2c9e2c", true);
 pref("network.IDN.whitelist.xn--xkc2al3hye2a", true);
 // qa, Qatar, .<Qatar>
 pref("network.IDN.whitelist.xn--wgbl6a", true);
 // rs, Serbia, .<Srb>
 pref("network.IDN.whitelist.xn--90a3ac", true);
 // ru, Russian Federation, .<RF>
 pref("network.IDN.whitelist.xn--p1ai", true);
 // sa, Saudi Arabia, .<al-Saudiah> with variants
 pref("network.IDN.whitelist.xn--mgberp4a5d4ar", true);
 pref("network.IDN.whitelist.xn--mgberp4a5d4a87g", true);
 pref("network.IDN.whitelist.xn--mgbqly7c0a67fbc", true);
 pref("network.IDN.whitelist.xn--mgbqly7cvafr", true);
 // sy, Syria, .<Souria>
 pref("network.IDN.whitelist.xn--ogbpf8fl", true);
 // th, Thailand, .<Thai>
 pref("network.IDN.whitelist.xn--o3cw4h", true);
 // tw, Taiwan, <.Taiwan> with variants
 pref("network.IDN.whitelist.xn--kpry57d", true);  // Traditional
 pref("network.IDN.whitelist.xn--kprw13d", true);  // Simplified
 // gTLDs
 pref("network.IDN.whitelist.asia", true);
 pref("network.IDN.whitelist.biz", true);
 pref("network.IDN.whitelist.cat", true);
 pref("network.IDN.whitelist.info", true);
 pref("network.IDN.whitelist.museum", true);
 pref("network.IDN.whitelist.org", true);
 pref("network.IDN.whitelist.tel", true);
 // NOTE: Before these can be removed, one of bug 414812's tests must be updated
 //       or it will likely fail!  Please CC jwalden+bmo on the bug associated
 //       with removing these so he can provide a patch to make the necessary
 //       changes to avoid bustage.
 // ".test" localised TLDs for ICANN's top-level IDN trial
 pref("network.IDN.whitelist.xn--0zwm56d", true);
 pref("network.IDN.whitelist.xn--11b5bs3a9aj6g", true);
 pref("network.IDN.whitelist.xn--80akhbyknj4f", true);
 pref("network.IDN.whitelist.xn--9t4b11yi5a", true);
 pref("network.IDN.whitelist.xn--deba0ad", true);
 pref("network.IDN.whitelist.xn--g6w251d", true);
 pref("network.IDN.whitelist.xn--hgbk6aj7f53bba", true);
 pref("network.IDN.whitelist.xn--hlcj6aya9esc7a", true);
 pref("network.IDN.whitelist.xn--jxalpdlp", true);
 pref("network.IDN.whitelist.xn--kgbechtv", true);
 pref("network.IDN.whitelist.xn--zckzah", true);
 // If a domain includes any of the following characters, it may be a spoof
 // attempt and so we always display the domain name as punycode. This would
 // override the settings "network.IDN_show_punycode" and
 // "network.IDN.whitelist.*".
 pref("network.IDN.blacklist_chars", "\u0020\u00A0\u00BC\u00BD\u00BE\u01C3\u02D0\u0337\u0338\u0589\u05C3\u05F4\u0609\u060A\u066A\u06D4\u0701\u0702\u0703\u0704\u115F\u1160\u1735\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u200B\u2024\u2027\u2028\u2029\u202F\u2039\u203A\u2041\u2044\u2052\u205F\u2153\u2154\u2155\u2156\u2157\u2158\u2159\u215A\u215B\u215C\u215D\u215E\u215F\u2215\u2236\u23AE\u2571\u29F6\u29F8\u2AFB\u2AFD\u2FF0\u2FF1\u2FF2\u2FF3\u2FF4\u2FF5\u2FF6\u2FF7\u2FF8\u2FF9\u2FFA\u2FFB\u3000\u3002\u3014\u3015\u3033\u3164\u321D\u321E\u33AE\u33AF\u33C6\u33DF\uA789\uFE14\uFE15\uFE3F\uFE5D\uFE5E\uFEFF\uFF0E\uFF0F\uFF61\uFFA0\uFFF9\uFFFA\uFFFB\uFFFC\uFFFD");
 // This preference specifies a list of domains for which DNS lookups will be
 // IPv4 only. Works around broken DNS servers which can't handle IPv6 lookups
 // and/or allows the user to disable IPv6 on a per-domain basis. See bug 68796.
 pref("network.dns.ipv4OnlyDomains", "");
 // This preference can be used to turn off IPv6 name lookups. See bug 68796.
 pref("network.dns.disableIPv6", false);
 // This is the number of dns cache entries allowed
 pref("network.dnsCacheEntries", 400);
 // In the absence of OS TTLs, the DNS cache TTL value
 pref("network.dnsCacheExpiration", 60);
 // The grace period allows the DNS cache to use expired entries, while kicking off
 // a revalidation in the background.
 pref("network.dnsCacheExpirationGracePeriod", 60);
 // This preference can be used to turn off DNS prefetch.
 pref("network.dns.disablePrefetch", false);
 // This preference controls whether or not URLs with UTF-8 characters are
 // escaped.  Set this preference to TRUE for strict RFC2396 conformance.
 pref("network.standard-url.escape-utf8", true);
 // This preference controls whether or not URLs are always encoded and sent as
 // UTF-8.
 pref("network.standard-url.encode-utf8", true);
 // Idle timeout for ftp control connections - 5 minute default
 pref("network.ftp.idleConnectionTimeout", 300);
 // directory listing format
 // 2: HTML
 // 3: XUL directory viewer
 // all other values are treated like 2
 pref("network.dir.format", 2);
 // enables the prefetch service (i.e., prefetching of <link rel="next"> URLs).
 pref("network.prefetch-next", true);
 // enables the predictive service
 pref("network.seer.enabled", false);
 pref("network.seer.enable-hover-on-ssl", false);
 pref("network.seer.page-degradation.day", 0);
 pref("network.seer.page-degradation.week", 5);
 pref("network.seer.page-degradation.month", 10);
 pref("network.seer.page-degradation.year", 25);
 pref("network.seer.page-degradation.max", 50);
 pref("network.seer.subresource-degradation.day", 1);
 pref("network.seer.subresource-degradation.week", 10);
 pref("network.seer.subresource-degradation.month", 25);
 pref("network.seer.subresource-degradation.year", 50);
 pref("network.seer.subresource-degradation.max", 100);
 pref("network.seer.preconnect-min-confidence", 90);
 pref("network.seer.preresolve-min-confidence", 60);
 pref("network.seer.redirect-likely-confidence", 75);
 pref("network.seer.max-queue-size", 50);
 pref("network.seer.max-db-size", 157286400); // bytes
 pref("network.seer.preserve", 80); // percentage of seer data to keep when cleaning up
 // The following prefs pertain to the negotiate-auth extension (see bug 17578),
 // which provides transparent Kerberos or NTLM authentication using the SPNEGO
 // protocol.  Each pref is a comma-separated list of keys, where each key has
 // the format:
 //   [scheme "://"] [host [":" port]]
 // For example, "foo.com" would match "http://www.foo.com/bar", etc.
 // Allow insecure NTLMv1 when needed.
 pref("network.negotiate-auth.allow-insecure-ntlm-v1", false);
 // Allow insecure NTLMv1 for HTTPS protected sites by default.
 pref("network.negotiate-auth.allow-insecure-ntlm-v1-https", true);
 // This list controls which URIs can use the negotiate-auth protocol.  This
 // list should be limited to the servers you know you'll need to login to.
 pref("network.negotiate-auth.trusted-uris", "");
 // This list controls which URIs can support delegation.
 pref("network.negotiate-auth.delegation-uris", "");
 // Do not allow SPNEGO by default when challenged by a local server.
 pref("network.negotiate-auth.allow-non-fqdn", false);
 // Allow SPNEGO by default when challenged by a proxy server.
 pref("network.negotiate-auth.allow-proxies", true);
 // Path to a specific gssapi library
 pref("network.negotiate-auth.gsslib", "");
 // Specify if the gss lib comes standard with the OS
 pref("network.negotiate-auth.using-native-gsslib", true);
 #ifdef XP_WIN
 // Default to using the SSPI intead of GSSAPI on windows
 pref("network.auth.use-sspi", true);
 #endif
 // Controls which NTLM authentication implementation we default to. True forces
 // the use of our generic (internal) NTLM authentication implementation vs. any
 // native implementation provided by the os. This pref is for diagnosing issues
 // with native NTLM. (See bug 520607 for details.) Using generic NTLM authentication
 // can expose the user to reflection attack vulnerabilities. Do not change this
 // unless you know what you're doing!
 // This pref should be removed 6 months after the release of firefox 3.6.
 pref("network.auth.force-generic-ntlm", false);
 // The following prefs are used to enable automatic use of the operating
 // system's NTLM implementation to silently authenticate the user with their
 // Window's domain logon.  The trusted-uris pref follows the format of the
 // trusted-uris pref for negotiate authentication.
 pref("network.automatic-ntlm-auth.allow-proxies", true);
 pref("network.automatic-ntlm-auth.allow-non-fqdn", false);
 pref("network.automatic-ntlm-auth.trusted-uris", "");
 // This preference controls whether or not the LM hash will be included in
 // response to a NTLM challenge.  By default, this is disabled since servers
 // should almost never need the LM hash, and the LM hash is what makes NTLM
 // authentication less secure.  See bug 250691 for further details.
 // NOTE: automatic-ntlm-auth which leverages the OS-provided NTLM
 //       implementation will not be affected by this preference.
 pref("network.ntlm.send-lm-response", false);
 pref("permissions.default.image",           1); // 1-Accept, 2-Deny, 3-dontAcceptForeign
 pref("network.proxy.type",                  5);
 pref("network.proxy.ftp",                   "");
 pref("network.proxy.ftp_port",              0);
 pref("network.proxy.http",                  "");
 pref("network.proxy.http_port",             0);
 pref("network.proxy.ssl",                   "");
 pref("network.proxy.ssl_port",              0);
 pref("network.proxy.socks",                 "");
 pref("network.proxy.socks_port",            0);
 pref("network.proxy.socks_version",         5);
 pref("network.proxy.socks_remote_dns",      false);
 pref("network.proxy.no_proxies_on",         "localhost, 127.0.0.1");
 pref("network.proxy.failover_timeout",      1800); // 30 minutes
 pref("network.online",                      true); //online/offline
 #ifdef RELEASE_BUILD
 pref("network.cookie.cookieBehavior",       0); // 0-Accept, 1-dontAcceptForeign, 2-dontUse, 3-limitForeign
 #else
 pref("network.cookie.cookieBehavior",       3); // 0-Accept, 1-dontAcceptForeign, 2-dontUse, 3-limitForeign
 #endif
 #ifdef ANDROID
 pref("network.cookie.cookieBehavior",       0); // Keep the old default of accepting all cookies
 #endif
 #ifdef MOZ_WIDGET_GONK
 pref("network.cookie.cookieBehavior",       0); // Keep the old default of accepting all cookies
 #endif
 pref("network.cookie.thirdparty.sessionOnly", false);
 pref("network.cookie.lifetimePolicy",       0); // accept normally, 1-askBeforeAccepting, 2-acceptForSession,3-acceptForNDays
 pref("network.cookie.alwaysAcceptSessionCookies", false);
 pref("network.cookie.prefsMigrated",        false);
 pref("network.cookie.lifetime.days",        90);
 // The PAC file to load.  Ignored unless network.proxy.type is 2.
 pref("network.proxy.autoconfig_url", "");
 // If we cannot load the PAC file, then try again (doubling from interval_min
 // until we reach interval_max or the PAC file is successfully loaded).
 pref("network.proxy.autoconfig_retry_interval_min", 5);    // 5 seconds
 pref("network.proxy.autoconfig_retry_interval_max", 300);  // 5 minutes
 // Use the HSTS preload list by default
 pref("network.stricttransportsecurity.preloadlist", true);
 pref("converter.html2txt.structs",          true); // Output structured phrases (strong, em, code, sub, sup, b, i, u)
 pref("converter.html2txt.header_strategy",  1); // 0 = no indention; 1 = indention, increased with header level; 2 = numbering and slight indention
 pref("intl.accept_languages",               "chrome://global/locale/intl.properties");
 pref("intl.menuitems.alwaysappendaccesskeys","chrome://global/locale/intl.properties");
 pref("intl.menuitems.insertseparatorbeforeaccesskeys","chrome://global/locale/intl.properties");
 pref("intl.charsetmenu.browser.static",     "chrome://global/locale/intl.properties");
 pref("intl.charsetmenu.browser.more1",      "ISO-8859-1, ISO-8859-15, IBM850, macintosh, windows-1252, ISO-8859-14, ISO-8859-7, x-mac-greek, windows-1253, x-mac-icelandic, ISO-8859-10, ISO-8859-3");
 pref("intl.charsetmenu.browser.more2",      "ISO-8859-4, ISO-8859-13, windows-1257, IBM852, ISO-8859-2, x-mac-ce, windows-1250, x-mac-croatian, IBM855, ISO-8859-5, ISO-IR-111, KOI8-R, x-mac-cyrillic, windows-1251, IBM866, KOI8-U, x-mac-ukrainian, ISO-8859-16, x-mac-romanian");
 pref("intl.charsetmenu.browser.more3",      "GB2312, gbk, gb18030, HZ-GB-2312, ISO-2022-CN, Big5, Big5-HKSCS, x-euc-tw, EUC-JP, ISO-2022-JP, Shift_JIS, EUC-KR, x-johab, ISO-2022-KR");
 pref("intl.charsetmenu.browser.more4",      "armscii-8, TIS-620, ISO-8859-11, windows-874, IBM857, ISO-8859-9, x-mac-turkish, windows-1254, x-viet-tcvn5712, VISCII, x-viet-vps, windows-1258, x-mac-devanagari, x-mac-gujarati, x-mac-gurmukhi");
 pref("intl.charsetmenu.browser.more5",      "ISO-8859-6, windows-1256, ISO-8859-8-I, windows-1255, ISO-8859-8, IBM862");
 pref("intl.charsetmenu.mailedit",           "chrome://global/locale/intl.properties");
 pref("intl.charsetmenu.browser.cache",      "");
 pref("intl.charsetmenu.mailview.cache",     "");
 pref("intl.charsetmenu.composer.cache",     "");
 pref("intl.charsetmenu.browser.cache.size", 5);
 pref("intl.charset.detector",               "chrome://global/locale/intl.properties");
 pref("intl.charset.fallback.override",      "");
 pref("intl.charset.fallback.tld",           true);
 pref("intl.ellipsis",                       "chrome://global-platform/locale/intl.properties");
 pref("intl.locale.matchOS",                 false);
 // fallback charset list for Unicode conversion (converting from Unicode)
 // currently used for mail send only to handle symbol characters (e.g Euro, trademark, smartquotes)
 // for ISO-8859-1
 pref("intl.fallbackCharsetList.ISO-8859-1", "windows-1252");
 pref("font.language.group",                 "chrome://global/locale/intl.properties");
 // these locales have right-to-left UI
 pref("intl.uidirection.ar", "rtl");
 pref("intl.uidirection.he", "rtl");
 pref("intl.uidirection.fa", "rtl");
 pref("intl.uidirection.ug", "rtl");
 pref("intl.uidirection.ur", "rtl");
 // use en-US hyphenation by default for content tagged with plain lang="en"
 pref("intl.hyphenation-alias.en", "en-us");
 // and for other subtags of en-*, if no specific patterns are available
 pref("intl.hyphenation-alias.en-*", "en-us");
 pref("intl.hyphenation-alias.af-*", "af");
 pref("intl.hyphenation-alias.bg-*", "bg");
 pref("intl.hyphenation-alias.ca-*", "ca");
 pref("intl.hyphenation-alias.cy-*", "cy");
 pref("intl.hyphenation-alias.da-*", "da");
 pref("intl.hyphenation-alias.eo-*", "eo");
 pref("intl.hyphenation-alias.es-*", "es");
 pref("intl.hyphenation-alias.et-*", "et");
 pref("intl.hyphenation-alias.fi-*", "fi");
 pref("intl.hyphenation-alias.fr-*", "fr");
 pref("intl.hyphenation-alias.gl-*", "gl");
 pref("intl.hyphenation-alias.hr-*", "hr");
 pref("intl.hyphenation-alias.hsb-*", "hsb");
 pref("intl.hyphenation-alias.hu-*", "hu");
 pref("intl.hyphenation-alias.ia-*", "ia");
 pref("intl.hyphenation-alias.is-*", "is");
 pref("intl.hyphenation-alias.it-*", "it");
 pref("intl.hyphenation-alias.kmr-*", "kmr");
 pref("intl.hyphenation-alias.la-*", "la");
 pref("intl.hyphenation-alias.lt-*", "lt");
 pref("intl.hyphenation-alias.mn-*", "mn");
 pref("intl.hyphenation-alias.nl-*", "nl");
 pref("intl.hyphenation-alias.pl-*", "pl");
 pref("intl.hyphenation-alias.pt-*", "pt");
 pref("intl.hyphenation-alias.ru-*", "ru");
 pref("intl.hyphenation-alias.sl-*", "sl");
 pref("intl.hyphenation-alias.sv-*", "sv");
 pref("intl.hyphenation-alias.tr-*", "tr");
 pref("intl.hyphenation-alias.uk-*", "uk");
 // use reformed (1996) German patterns by default unless specifically tagged as de-1901
 // (these prefs may soon be obsoleted by better BCP47-based tag matching, but for now...)
 pref("intl.hyphenation-alias.de", "de-1996");
 pref("intl.hyphenation-alias.de-*", "de-1996");
 pref("intl.hyphenation-alias.de-AT-1901", "de-1901");
 pref("intl.hyphenation-alias.de-DE-1901", "de-1901");
 pref("intl.hyphenation-alias.de-CH-*", "de-CH");
 // patterns from TeX are tagged as "sh" (Serbo-Croatian) macrolanguage;
 // alias "sr" (Serbian) and "bs" (Bosnian) to those patterns
 // (Croatian has its own separate patterns).
 pref("intl.hyphenation-alias.sr", "sh");
 pref("intl.hyphenation-alias.bs", "sh");
 pref("intl.hyphenation-alias.sh-*", "sh");
 pref("intl.hyphenation-alias.sr-*", "sh");
 pref("intl.hyphenation-alias.bs-*", "sh");
 // Norwegian has two forms, Bokmål and Nynorsk, with "no" as a macrolanguage encompassing both.
 // For "no", we'll alias to "nb" (Bokmål) as that is the more widely used written form.
 pref("intl.hyphenation-alias.no", "nb");
 pref("intl.hyphenation-alias.no-*", "nb");
 pref("intl.hyphenation-alias.nb-*", "nb");
 pref("intl.hyphenation-alias.nn-*", "nn");
 pref("font.mathfont-family", "Latin Modern Math, XITS Math, STIX Math, Cambria Math, Asana Math, TeX Gyre Bonum Math, TeX Gyre Pagella Math, TeX Gyre Termes Math, Neo Euler, Lucida Bright Math, MathJax_Main, STIXNonUnicode, STIXSizeOneSym, STIXGeneral, Standard Symbols L, DejaVu Sans");
 // Some CJK fonts have bad underline offset, their CJK character glyphs are overlapped (or adjoined)  to its underline.
 // These fonts are ignored the underline offset, instead of it, the underline is lowered to bottom of its em descent.
 pref("font.blacklist.underline_offset", "FangSong,Gulim,GulimChe,MingLiU,MingLiU-ExtB,MingLiU_HKSCS,MingLiU-HKSCS-ExtB,MS Gothic,MS Mincho,MS PGothic,MS PMincho,MS UI Gothic,PMingLiU,PMingLiU-ExtB,SimHei,SimSun,SimSun-ExtB,Hei,Kai,Apple LiGothic,Apple LiSung,Osaka");
 #ifdef MOZ_WIDGET_GONK
 // Whitelist of fonts that ship with B2G that do not include space lookups in
 // default features. This allows us to skip analyzing the GSUB/GPOS tables
 // unless features are explicitly enabled.
 // Use NSPR_LOG_MODULES=fontinit:5 to dump out details of space lookups
 pref("font.whitelist.skip_default_features_space_check", "Fira Sans OT,Fira Mono OT");
 #endif
 pref("images.dither", "auto");
 pref("security.directory",              "");
 pref("signed.applets.codebase_principal_support", false);
 pref("security.checkloaduri", true);
 pref("security.xpconnect.plugin.unrestricted", true);
 // security-sensitive dialogs should delay button enabling. In milliseconds.
 pref("security.dialog_enable_delay", 1000);
 pref("security.notification_enable_delay", 500);
 pref("security.csp.enable", true);
 pref("security.csp.debug", false);
 pref("security.csp.experimentalEnabled", false);
 // Mixed content blocking
 pref("security.mixed_content.block_active_content", false);
 pref("security.mixed_content.block_display_content", false);
 // Disable pinning checks by default.
 pref("security.cert_pinning.enforcement_level", 0);
 // Modifier key prefs: default to Windows settings,
 // menu access key = alt, accelerator key = control.
 // Use 17 for Ctrl, 18 for Alt, 224 for Meta, 91 for Win, 0 for none. Mac settings in macprefs.js
 pref("ui.key.accelKey", 17);
 pref("ui.key.menuAccessKey", 18);
 pref("ui.key.generalAccessKey", -1);
 // If generalAccessKey is -1, use the following two prefs instead.
 // Use 0 for disabled, 1 for Shift, 2 for Ctrl, 4 for Alt, 8 for Meta, 16 for Win
 // (values can be combined, e.g. 5 for Alt+Shift)
 pref("ui.key.chromeAccess", 4);
 pref("ui.key.contentAccess", 5);
 pref("ui.key.menuAccessKeyFocuses", false); // overridden below
 pref("ui.key.saveLink.shift", true); // true = shift, false = meta
 // Disable page loading activity cursor by default.
 pref("ui.use_activity_cursor", false);
 // Middle-mouse handling
 pref("middlemouse.paste", false);
 pref("middlemouse.openNewWindow", true);
 pref("middlemouse.contentLoadURL", false);
 pref("middlemouse.scrollbarPosition", false);
 // Clipboard behavior
 pref("clipboard.autocopy", false);
 // mouse wheel scroll transaction period of time (in milliseconds)
 pref("mousewheel.transaction.timeout", 1500);
 // mouse wheel scroll transaction is held even if the mouse cursor is moved.
 pref("mousewheel.transaction.ignoremovedelay", 100);
 // prefs for app level mouse wheel scrolling acceleration.
 // number of mousewheel clicks when acceleration starts
 // acceleration can be turned off if pref is set to -1
 pref("mousewheel.acceleration.start", -1);
 // factor to be multiplied for constant acceleration
 pref("mousewheel.acceleration.factor", 10);
 // Prefs for override the system mouse wheel scrolling speed on the root
 // content of the web pages.  When
 // "mousewheel.system_scroll_override_on_root_content.enabled" is true and the system
 // scrolling speed isn't customized by the user, the root content scrolling
 // speed is multiplied by the following factors.  The value will be used as
 // 1/100.  E.g., 200 means 2.00.
 // NOTE: Even if "mousewheel.system_scroll_override_on_root_content.enabled" is
 // true, when Gecko detects the user customized the system scrolling speed
 // settings, the override isn't executed.
 pref("mousewheel.system_scroll_override_on_root_content.vertical.factor", 200);
 pref("mousewheel.system_scroll_override_on_root_content.horizontal.factor", 200);
 // mousewheel.*.action can specify the action when you use mosue wheel.
 // When no modifier keys are pressed or two or more modifires are pressed,
 // .default is used.
 // 0: Nothing happens
 // 1: Scrolling contents
 // 2: Go back or go forward, in your history
 // 3: Zoom in or out.
 pref("mousewheel.default.action", 1);
 pref("mousewheel.with_alt.action", 2);
 pref("mousewheel.with_control.action", 3);
 pref("mousewheel.with_meta.action", 1);  // command key on Mac
 pref("mousewheel.with_shift.action", 1);
 pref("mousewheel.with_win.action", 1);
 // mousewheel.*.action.override_x will override the action
 // when the mouse wheel is rotated along the x direction.
 // -1: Don't override the action.
 // 0 to 3: Override the action with the specified value.
 pref("mousewheel.default.action.override_x", -1);
 pref("mousewheel.with_alt.action.override_x", -1);
 pref("mousewheel.with_control.action.override_x", -1);
 pref("mousewheel.with_meta.action.override_x", -1);  // command key on Mac
 pref("mousewheel.with_shift.action.override_x", -1);
 pref("mousewheel.with_win.action.override_x", -1);
 // mousewheel.*.delta_multiplier_* can specify the value muliplied by the delta
 // value.  The values will be used after divided by 100.  I.e., 100 means 1.0,
 // -100 means -1.0.  If the values were negative, the direction would be
 // reverted.  The absolue value must be 100 or larger.
 pref("mousewheel.default.delta_multiplier_x", 100);
 pref("mousewheel.default.delta_multiplier_y", 100);
 pref("mousewheel.default.delta_multiplier_z", 100);
 pref("mousewheel.with_alt.delta_multiplier_x", 100);
 pref("mousewheel.with_alt.delta_multiplier_y", 100);
 pref("mousewheel.with_alt.delta_multiplier_z", 100);
 pref("mousewheel.with_control.delta_multiplier_x", 100);
 pref("mousewheel.with_control.delta_multiplier_y", 100);
 pref("mousewheel.with_control.delta_multiplier_z", 100);
 pref("mousewheel.with_meta.delta_multiplier_x", 100);  // command key on Mac
 pref("mousewheel.with_meta.delta_multiplier_y", 100);  // command key on Mac
 pref("mousewheel.with_meta.delta_multiplier_z", 100);  // command key on Mac
 pref("mousewheel.with_shift.delta_multiplier_x", 100);
 pref("mousewheel.with_shift.delta_multiplier_y", 100);
 pref("mousewheel.with_shift.delta_multiplier_z", 100);
 pref("mousewheel.with_win.delta_multiplier_x", 100);
 pref("mousewheel.with_win.delta_multiplier_y", 100);
 pref("mousewheel.with_win.delta_multiplier_z", 100);
 // If line-height is lower than this value (in device pixels), 1 line scroll
 // scrolls this height.
 pref("mousewheel.min_line_scroll_amount", 5);
 // These define the smooth scroll behavior (min ms, max ms) for different triggers
 // Some triggers:
 // mouseWheel: Discrete mouse wheel events, Synaptics touchpads on windows (generate wheel events)
 // Lines:  Up/Down/Left/Right KB arrows
 // Pages:  Page up/down, Space
 // Scrollbars: Clicking scrollbars arrows, clicking scrollbars tracks
 // Note: Currently OS X trackpad and magic mouse don't use our smooth scrolling
 // Note: These are relevant only when "general.smoothScroll" is enabled
 pref("general.smoothScroll.mouseWheel.durationMinMS", 200);
 pref("general.smoothScroll.mouseWheel.durationMaxMS", 400);
 pref("general.smoothScroll.pixels.durationMinMS", 150);
 pref("general.smoothScroll.pixels.durationMaxMS", 150);
 pref("general.smoothScroll.lines.durationMinMS", 150);
 pref("general.smoothScroll.lines.durationMaxMS", 150);
 pref("general.smoothScroll.pages.durationMinMS", 150);
 pref("general.smoothScroll.pages.durationMaxMS", 150);
 pref("general.smoothScroll.scrollbars.durationMinMS", 150);
 pref("general.smoothScroll.scrollbars.durationMaxMS", 150);
 pref("general.smoothScroll.other.durationMinMS", 150);
 pref("general.smoothScroll.other.durationMaxMS", 150);
 // Enable disable smooth scrolling for different triggers (when "general.smoothScroll" is enabled)
 pref("general.smoothScroll.mouseWheel", true);
 pref("general.smoothScroll.pixels", true);
 pref("general.smoothScroll.lines", true);
 pref("general.smoothScroll.pages", true);
 pref("general.smoothScroll.scrollbars", true);
 pref("general.smoothScroll.other", true);
 // To connect consecutive scroll events into a continuous flow, the animation's duration
 // should be longer than scroll events intervals (or else the scroll will stop
 // before the next event arrives - we're guessing next interval by averaging recent
 // intervals).
 // This defines how longer is the duration compared to events interval (percentage)
 pref("general.smoothScroll.durationToIntervalRatio", 200);
 pref("profile.confirm_automigration",true);
 // profile.migration_behavior determines how the profiles root is set
 // 0 - use NS_APP_USER_PROFILES_ROOT_DIR
 // 1 - create one based on the NS4.x profile root
 // 2 - use, if not empty, profile.migration_directory otherwise same as 0
 pref("profile.migration_behavior",0);
 pref("profile.migration_directory", "");
 // the amount of time (in seconds) that must elapse
 // before we think your mozilla profile is defunct
 // and you'd benefit from re-migrating from 4.x
 // see bug #137886 for more details
 //
 // if -1, we never think your profile is defunct
 // and users will never see the remigrate UI.
 pref("profile.seconds_until_defunct", -1);
 // We can show it anytime from menus
 pref("profile.manage_only_at_launch", false);
 pref("prefs.converted-to-utf8",false);
 // ------------------
 //  Text Direction
 // ------------------
 // 1 = directionLTRBidi *
 // 2 = directionRTLBidi
 pref("bidi.direction", 1);
 // ------------------
 //  Text Type
 // ------------------
 // 1 = charsettexttypeBidi *
 // 2 = logicaltexttypeBidi
 // 3 = visualtexttypeBidi
 pref("bidi.texttype", 1);
 // ------------------
 //  Numeral Style
 // ------------------
 // 0 = nominalnumeralBidi *
 // 1 = regularcontextnumeralBidi
 // 2 = hindicontextnumeralBidi
 // 3 = arabicnumeralBidi
 // 4 = hindinumeralBidi
 // 5 = persiancontextnumeralBidi
 // 6 = persiannumeralBidi
 pref("bidi.numeral", 0);
 // ------------------
 //  Support Mode
 // ------------------
 // 1 = mozillaBidisupport *
 // 2 = OsBidisupport
 // 3 = disableBidisupport
 pref("bidi.support", 1);
 // Whether delete and backspace should immediately delete characters not
 // visually adjacent to the caret, or adjust the visual position of the caret
 // on the first keypress and delete the character on a second keypress
 pref("bidi.edit.delete_immediately", false);
 // Bidi caret movement style:
 // 0 = logical
 // 1 = visual
 // 2 = visual, but logical during selection
 pref("bidi.edit.caret_movement_style", 2);
 // Setting this pref to |true| forces Bidi UI menu items and keyboard shortcuts
 // to be exposed, and enables the directional caret hook. By default, only
 // expose it for bidi-associated system locales.
 pref("bidi.browser.ui", false);
 // used for double-click word selection behavior. Win will override.
 pref("layout.word_select.eat_space_to_next_word", false);
 pref("layout.word_select.stop_at_punctuation", true);
 // controls caret style and word-delete during text selection
 // 0 = use platform default
 // 1 = caret moves and blinks as when there is no selection; word
 //     delete deselects the selection and then deletes word
 // 2 = caret moves to selection edge and is not visible during selection;
 //     word delete deletes the selection (Mac and Linux default)
 // 3 = caret moves and blinks as when there is no selection; word delete
 //     deletes the selection
 // Windows default is 1 for word delete behavior, the rest as for 2.
 pref("layout.selection.caret_style", 0);
 // pref to force frames to be resizable
 pref("layout.frames.force_resizability", false);
 // pref to report CSS errors to the error console
 pref("layout.css.report_errors", true);
 // Should the :visited selector ever match (otherwise :link matches instead)?
 pref("layout.css.visited_links_enabled", true);
 // Override DPI. A value of -1 means use the maximum of 96 and the system DPI.
 // A value of 0 means use the system DPI. A positive value is used as the DPI.
 // This sets the physical size of a device pixel and thus controls the
 // interpretation of physical units such as "pt".
 pref("layout.css.dpi", -1);
 // Set the number of device pixels per CSS pixel. A value <= 0 means choose
 // automatically based on user settings for the platform (e.g., "UI scale factor"
 // on Mac). A positive value is used as-is. This effectively controls the size
 // of a CSS "px". This is only used for windows on the screen, not for printing.
 pref("layout.css.devPixelsPerPx", "-1.0");
 // Is support for CSS Masking features enabled?
 #ifdef RELEASE_BUILD
 pref("layout.css.masking.enabled", false);
 #else
 pref("layout.css.masking.enabled", true);
 #endif
 // Is support for mix-blend-mode enabled?
 pref("layout.css.mix-blend-mode.enabled", false);
 // Is support for the the @supports rule enabled?
 pref("layout.css.supports-rule.enabled", true);
 // Is support for CSS Filters enabled?
 pref("layout.css.filters.enabled", false);
 // Is support for CSS sticky positioning enabled?
 #ifdef RELEASE_BUILD
 pref("layout.css.sticky.enabled", false);
 #else
 pref("layout.css.sticky.enabled", true);
 #endif
 // Is support for CSS "will-change" enabled?
 pref("layout.css.will-change.enabled", false);
 // Is support for DOMPoint enabled?
 pref("layout.css.DOMPoint.enabled", true);
 // Is support for DOMQuad enabled?
 pref("layout.css.DOMQuad.enabled", true);
 // Is support for GeometryUtils.getBoxQuads enabled?
 #ifdef RELEASE_BUILD
 pref("layout.css.getBoxQuads.enabled", false);
 #else
 pref("layout.css.getBoxQuads.enabled", true);
 #endif
 // Is support for GeometryUtils.getBoxQuads enabled?
 #ifdef RELEASE_BUILD
 pref("layout.css.convertFromNode.enabled", false);
 #else
 pref("layout.css.convertFromNode.enabled", true);
 #endif
 // Is support for CSS "text-align: true X" enabled?
 pref("layout.css.text-align-true-value.enabled", false);
 // Is support for the CSS4 image-orientation property enabled?
 pref("layout.css.image-orientation.enabled", true);
 // Is support for CSS3 Fonts features enabled?
 // (includes font-variant-*, font-kerning, font-synthesis
 // and the @font-feature-values rule)
 // Note: with this enabled, font-feature-settings is aliased
 // to -moz-font-feature-settings.  When unprefixing, this should
 // be reversed, -moz-font-feature-settings should alias to
 // font-feature-settings.
 #ifdef RELEASE_BUILD
 pref("layout.css.font-features.enabled", false);
 #else
 pref("layout.css.font-features.enabled", true);
 #endif
 // Are sets of prefixed properties supported?
 pref("layout.css.prefixes.border-image", true);
 pref("layout.css.prefixes.transforms", true);
 pref("layout.css.prefixes.transitions", true);
 pref("layout.css.prefixes.animations", true);
 pref("layout.css.prefixes.box-sizing", true);
 // Is support for the :scope selector enabled?
 #ifdef RELEASE_BUILD
 pref("layout.css.scope-pseudo.enabled", false);
 #else
 pref("layout.css.scope-pseudo.enabled", true);
 #endif
 // Is support for background-blend-mode enabled?
 pref("layout.css.background-blend-mode.enabled", true);
 // Is support for CSS vertical text enabled?
 pref("layout.css.vertical-text.enabled", false);
 // Is -moz-osx-font-smoothing enabled?
 // Only supported in OSX builds
 #ifdef XP_MACOSX
 pref("layout.css.osx-font-smoothing.enabled", true);
 #else
 pref("layout.css.osx-font-smoothing.enabled", false);
 #endif
 // Is support for the CSS-wide "unset" value enabled?
 pref("layout.css.unset-value.enabled", true);
 // Is support for the "all" shorthand enabled?
 pref("layout.css.all-shorthand.enabled", true);
 // Is support for CSS variables enabled?
 pref("layout.css.variables.enabled", true);
 // Is support for CSS overflow-clip-box enabled for non-UA sheets?
 pref("layout.css.overflow-clip-box.enabled", false);
 // pref for which side vertical scrollbars should be on
 // 0 = end-side in UI direction
 // 1 = end-side in document/content direction
 // 2 = right
 // 3 = left
 pref("layout.scrollbar.side", 0);
 // pref to stop overlay scrollbars from fading out, for testing purposes
 pref("layout.testing.overlay-scrollbars.always-visible", false);
 // Enable/disable interruptible reflow, which allows reflows to stop
 // before completion (and display the partial results) when user events
 // are pending.
 pref("layout.interruptible-reflow.enabled", true);
 // pref to control browser frame rate, in Hz. A value <= 0 means choose
 // automatically based on knowledge of the platform (or 60Hz if no platform-
 // specific information is available).
 pref("layout.frame_rate", -1);
 // pref to control precision of the frame rate timer. When true,
 // we use a "precise" timer, which means each notification fires
 // Nms after the start of the last notification. That means if the
 // processing of the notification is slow, the timer can fire immediately
 // after we've just finished processing the last notification, which might
 // lead to starvation problems.
 // When false, we use a "slack" timer which fires Nms after the *end*
 // of the last notification. This can give less tight frame rates
 // but provides more time for other operations when the browser is
 // heavily loaded.
 pref("layout.frame_rate.precise", false);
 // pref to permit users to make verified SOAP calls by default
 pref("capability.policy.default.SOAPCall.invokeVerifySourceHeader", "allAccess");
 // if true, allow plug-ins to override internal imglib decoder mime types in full-page mode
 pref("plugin.override_internal_types", false);
 // See bug 136985.  Gives embedders a pref to hook into to show
 // a popup blocker if they choose.
 pref("browser.popups.showPopupBlocker", true);
 // Pref to control whether the viewmanager code does double-buffering or not
 // See http://bugzilla.mozilla.org/show_bug.cgi?id=169483 for further details...
 pref("viewmanager.do_doublebuffering", true);
 // enable single finger gesture input (win7+ tablets)
 pref("gestures.enable_single_finger_input", true);
 pref("editor.resizing.preserve_ratio",       true);
 pref("editor.positioning.offset",            0);
 pref("dom.use_watchdog", true);
 pref("dom.max_chrome_script_run_time", 20);
 pref("dom.max_script_run_time", 10);
 // If true, ArchiveReader will be enabled
 pref("dom.archivereader.enabled", false);
 // Hang monitor timeout after which we kill the browser, in seconds
 // (0 is disabled)
 // Disabled on all platforms per bug 705748 until the found issues are
 // resolved.
 pref("hangmonitor.timeout", 0);
 pref("plugins.load_appdir_plugins", false);
 // If true, plugins will be click to play
 pref("plugins.click_to_play", false);
 // A comma-delimited list of plugin name prefixes matching plugins that will be
 // exposed when enumerating navigator.plugins[]. For example, prefix "Shockwave"
 // matches both Adobe Flash Player ("Shockwave Flash") and Adobe Shockwave
 // Player ("Shockwave for Director"). To hide all plugins from enumeration, use
 // the empty string "" to match no plugin names. To allow all plugins to be
 // enumerated, use the string "*" to match all plugin names.
 pref("plugins.enumerable_names", "*");
 // The default value for nsIPluginTag.enabledState (STATE_ENABLED = 2)
 pref("plugin.default.state", 2);
 // The MIME type that should bind to legacy java-specific invocations like
 // <applet> and <object data="java:foo">. Setting this to a non-java MIME type
 // is undefined behavior.
 pref("plugin.java.mime", "application/x-java-vm");
 // How long in minutes we will allow a plugin to work after the user has chosen
 // to allow it "now"
 pref("plugin.sessionPermissionNow.intervalInMinutes", 60);
 // How long in days we will allow a plugin to work after the user has chosen
 // to allow it persistently.
 pref("plugin.persistentPermissionAlways.intervalInDays", 90);
 #ifndef DEBUG
 // How long a plugin is allowed to process a synchronous IPC message
 // before we consider it "hung".
 pref("dom.ipc.plugins.timeoutSecs", 45);
 // How long a plugin process will wait for a response from the parent
 // to a synchronous request before terminating itself. After this
 // point the child assumes the parent is hung. Currently disabled.
 pref("dom.ipc.plugins.parentTimeoutSecs", 0);
 // How long a plugin launch is allowed to take before
 // we consider it failed.
 pref("dom.ipc.plugins.processLaunchTimeoutSecs", 45);
 #ifdef XP_WIN
 // How long a plugin is allowed to process a synchronous IPC message
 // before we display the plugin hang UI
 pref("dom.ipc.plugins.hangUITimeoutSecs", 11);
 // Minimum time that the plugin hang UI will be displayed
 pref("dom.ipc.plugins.hangUIMinDisplaySecs", 10);
 #endif
 // How long a content process can take before closing its IPC channel
 // after shutdown is initiated.  If the process exceeds the timeout,
 // we fear the worst and kill it.
 pref("dom.ipc.tabs.shutdownTimeoutSecs", 5);
 #else
 // No timeout in DEBUG builds
 pref("dom.ipc.plugins.timeoutSecs", 0);
 pref("dom.ipc.plugins.processLaunchTimeoutSecs", 0);
 pref("dom.ipc.plugins.parentTimeoutSecs", 0);
 #ifdef XP_WIN
 pref("dom.ipc.plugins.hangUITimeoutSecs", 0);
 pref("dom.ipc.plugins.hangUIMinDisplaySecs", 0);
 #endif
 pref("dom.ipc.tabs.shutdownTimeoutSecs", 0);
 #endif
 #ifdef XP_WIN
 // Disable oopp for java on windows. They run their own
 // process isolation which conflicts with our implementation.
 pref("dom.ipc.plugins.java.enabled", false);
 #endif
 pref("dom.ipc.plugins.flash.subprocess.crashreporter.enabled", true);
 pref("dom.ipc.plugins.reportCrashURL", true);
 pref("dom.ipc.processCount", 1);
 // Enable the use of display-lists for SVG hit-testing and painting.
 pref("svg.display-lists.hit-testing.enabled", true);
 pref("svg.display-lists.painting.enabled", true);
 // Is support for the SVG 2 paint-order property enabled?
 pref("svg.paint-order.enabled", true);
 // Is support for the new marker features from SVG 2 enabled?  Currently
 // this just includes <marker orient="auto-start-reverse">.
 #ifdef RELEASE_BUILD
 pref("svg.marker-improvements.enabled", false);
 #else
 pref("svg.marker-improvements.enabled", true);
 #endif
 pref("font.minimum-size.ar", 0);
 pref("font.minimum-size.x-armn", 0);
 pref("font.minimum-size.x-beng", 0);
 pref("font.minimum-size.x-baltic", 0);
 pref("font.minimum-size.x-central-euro", 0);
 pref("font.minimum-size.zh-CN", 0);
 pref("font.minimum-size.zh-HK", 0);
 pref("font.minimum-size.zh-TW", 0);
 pref("font.minimum-size.x-cyrillic", 0);
 pref("font.minimum-size.x-devanagari", 0);
 pref("font.minimum-size.x-ethi", 0);
 pref("font.minimum-size.x-geor", 0);
 pref("font.minimum-size.el", 0);
 pref("font.minimum-size.x-gujr", 0);
 pref("font.minimum-size.x-guru", 0);
 pref("font.minimum-size.he", 0);
 pref("font.minimum-size.ja", 0);
 pref("font.minimum-size.x-knda", 0);
 pref("font.minimum-size.x-khmr", 0);
 pref("font.minimum-size.ko", 0);
 pref("font.minimum-size.x-mlym", 0);
 pref("font.minimum-size.x-orya", 0);
 pref("font.minimum-size.x-sinh", 0);
 pref("font.minimum-size.x-tamil", 0);
 pref("font.minimum-size.x-telu", 0);
 pref("font.minimum-size.x-tibt", 0);
 pref("font.minimum-size.th", 0);
 pref("font.minimum-size.tr", 0);
 pref("font.minimum-size.x-cans", 0);
 pref("font.minimum-size.x-western", 0);
 pref("font.minimum-size.x-unicode", 0);
 /*
  * A value greater than zero enables font size inflation for
  * pan-and-zoom UIs, so that the fonts in a block are at least the size
  * that, if a block's width is scaled to match the device's width, the
  * fonts in the block are big enough that at most the pref value ems of
  * text fit in *the width of the device*.
  *
  * When both this pref and the next are set, the larger inflation is
  * used.
  */
 pref("font.size.inflation.emPerLine", 0);
 /*
  * A value greater than zero enables font size inflation for
  * pan-and-zoom UIs, so that if a block's width is scaled to match the
  * device's width, the fonts in a block are at least the font size
  * given.  The value given is in twips, i.e., 1/20 of a point, or 1/1440
  * of an inch.
  *
  * When both this pref and the previous are set, the larger inflation is
  * used.
  */
 pref("font.size.inflation.minTwips", 0);
 /*
  * In products with multi-mode pan-and-zoom and non-pan-and-zoom UIs,
  * this pref forces font inflation to always be enabled in all modes.
  * That is, any heuristics used to detect pan-and-zoom
  * vs. non-pan-and-zoom modes are disabled and all content is treated
  * as pan-and-zoom mode wrt font inflation.
  *
  * This pref has no effect if font inflation is not enabled through
  * either of the prefs above.  It has no meaning in single-mode UIs.
  */
 pref("font.size.inflation.forceEnabled", false);
 /*
  * In products with multi-mode pan-and-zoom and non-pan-and-zoom UIs,
  * this pref disables font inflation in master-process contexts where
  * existing heuristics can't be used determine enabled-ness.
  *
  * This pref has no effect if font inflation is not enabled through
  * either of the prefs above.  The "forceEnabled" pref above overrides
  * this pref.
  */
 pref("font.size.inflation.disabledInMasterProcess", false);
 /*
  * Since the goal of font size inflation is to avoid having to
  * repeatedly scroll side to side to read a block of text, and there are
  * a number of page layouts where a relatively small chunk of text is
  * better of not being inflated according to the same algorithm we use
  * for larger chunks of text, we want a threshold for an amount of text
  * that triggers font size inflation.  This preference controls that
  * threshold.
  *
  * It controls the threshold used within an *approximation* of the
  * number of lines of text we use.  In particular, if we assume that
  * each character (collapsing collapsible whitespace) has a width the
  * same as the em-size of the font (when, normally, it's actually quite
  * a bit smaller on average), this preference gives the percentage of a
  * number of lines of text we'd need to trigger inflation.  This means
  * that a percentage of 100 means that we'd need a number of characters
  * (we know the font size and the width) equivalent to one line of
  * square text (which is actually a lot less than a real line of text).
  *
  * A value of 0 means there's no character length threshold.
  */
 pref("font.size.inflation.lineThreshold", 400);
 /*
  * Defines the font size inflation mapping intercept parameter.
  *
  * Font size inflation computes a minimum font size, m, based on
  * other preferences (see font.size.inflation.minTwips and
  * font.size.inflation.emPerLine, above) and the width of the
  * frame in which the text resides. Using this minimum, a specified
  * font size, s, is mapped to an inflated font size, i, using an
  * equation that varies depending on the value of the font size
  * inflation mapping intercept parameter, P:
  *
  * If the intercept parameter is negative, then the following mapping
  * function is used:
  *
  * i = m + s
  *
  * If the intercept parameter is non-negative, then the mapping function
  * is a function such that its graph meets the graph of i = s at the
  * point where both i and s are (1 + P/2) * m for values of s that are
  * large enough. This means that when s=0, i is always equal to m.
  */
 pref("font.size.inflation.mappingIntercept", 1);
 /*
  * This controls the percentage that fonts will be inflated, if font
  * size inflation is enabled. Essentially, if we have a specified font
  * size, s, and an inflated font size, i, this specifies that the ratio
  * i/s * 100 should never exceed the value of this preference.
  *
  * In order for this preference to have any effect, its value must be
  * greater than 100, since font inflation can never decrease the ratio
  * i/s.
  */
 pref("font.size.inflation.maxRatio", 0);
 /*
  * When enabled, the touch.radius and mouse.radius prefs allow events to be dispatched
  * to nearby elements that are sensitive to the event. See PositionedEventTargeting.cpp.
  * The 'mm' prefs define a rectangle around the nominal event target point within which
  * we will search for suitable elements. 'visitedWeight' is a percentage weight;
  * a value > 100 makes a visited link be treated as further away from the event target
  * than it really is, while a value < 100 makes a visited link be treated as closer
  * to the event target than it really is.
  */
 pref("ui.touch.radius.enabled", false);
 pref("ui.touch.radius.leftmm", 8);
 pref("ui.touch.radius.topmm", 12);
 pref("ui.touch.radius.rightmm", 8);
 pref("ui.touch.radius.bottommm", 4);
 pref("ui.touch.radius.visitedWeight", 120);
 pref("ui.mouse.radius.enabled", false);
 pref("ui.mouse.radius.leftmm", 8);
 pref("ui.mouse.radius.topmm", 12);
 pref("ui.mouse.radius.rightmm", 8);
 pref("ui.mouse.radius.bottommm", 4);
 pref("ui.mouse.radius.visitedWeight", 120);
 // When true, the ui.mouse.radius.* prefs will only affect simulated mouse events generated by touch input.
 // When false, the prefs will be used for all mouse events.
 pref("ui.mouse.radius.inputSource.touchOnly", true);
 #ifdef XP_WIN
 pref("font.name.serif.ar", "Times New Roman");
 pref("font.name.sans-serif.ar", "Arial");
 pref("font.name.monospace.ar", "Courier New");
 pref("font.name.cursive.ar", "Comic Sans MS");
 pref("font.name.serif.el", "Times New Roman");
 pref("font.name.sans-serif.el", "Arial");
 pref("font.name.monospace.el", "Courier New");
 pref("font.name.cursive.el", "Comic Sans MS");
 pref("font.name.serif.he", "Narkisim");
 pref("font.name.sans-serif.he", "Arial");
 pref("font.name.monospace.he", "Fixed Miriam Transparent");
 pref("font.name.cursive.he", "Guttman Yad");
 pref("font.name-list.serif.he", "Narkisim, David");
 pref("font.name-list.monospace.he", "Fixed Miriam Transparent, Miriam Fixed, Rod, Courier New");
 pref("font.name-list.cursive.he", "Guttman Yad, Ktav, Arial");
 pref("font.name.serif.ja", "MS PMincho");
 pref("font.name.sans-serif.ja", "MS PGothic");
 pref("font.name.monospace.ja", "MS Gothic");
 pref("font.name-list.serif.ja", "MS PMincho, MS Mincho, MS PGothic, MS Gothic,Meiryo");
 pref("font.name-list.sans-serif.ja", "MS PGothic, MS Gothic, MS PMincho, MS Mincho,Meiryo");
 pref("font.name-list.monospace.ja", "MS Gothic, MS Mincho, MS PGothic, MS PMincho,Meiryo");
 pref("font.name.serif.ko", "Batang");
 pref("font.name.sans-serif.ko", "Gulim");
 pref("font.name.monospace.ko", "GulimChe");
 pref("font.name.cursive.ko", "Gungsuh");
 pref("font.name-list.serif.ko", "Batang, Gulim");
 pref("font.name-list.sans-serif.ko", "Gulim");
 pref("font.name-list.monospace.ko", "GulimChe");
 pref("font.name-list.cursive.ko", "Gungsuh");
 pref("font.name.serif.th", "Tahoma");
 pref("font.name.sans-serif.th", "Tahoma");
 pref("font.name.monospace.th", "Tahoma");
 pref("font.name.cursive.th", "Tahoma");
 pref("font.name.serif.tr", "Times New Roman");
 pref("font.name.sans-serif.tr", "Arial");
 pref("font.name.monospace.tr", "Courier New");
 pref("font.name.cursive.tr", "Comic Sans MS");
 pref("font.name.serif.x-baltic", "Times New Roman");
 pref("font.name.sans-serif.x-baltic", "Arial");
 pref("font.name.monospace.x-baltic", "Courier New");
 pref("font.name.cursive.x-baltic", "Comic Sans MS");
 pref("font.name.serif.x-central-euro", "Times New Roman");
 pref("font.name.sans-serif.x-central-euro", "Arial");
 pref("font.name.monospace.x-central-euro", "Courier New");
 pref("font.name.cursive.x-central-euro", "Comic Sans MS");
 pref("font.name.serif.x-cyrillic", "Times New Roman");
 pref("font.name.sans-serif.x-cyrillic", "Arial");
 pref("font.name.monospace.x-cyrillic", "Courier New");
 pref("font.name.cursive.x-cyrillic", "Comic Sans MS");
 pref("font.name.serif.x-unicode", "Times New Roman");
 pref("font.name.sans-serif.x-unicode", "Arial");
 pref("font.name.monospace.x-unicode", "Courier New");
 pref("font.name.cursive.x-unicode", "Comic Sans MS");
 pref("font.name.serif.x-western", "Times New Roman");
 pref("font.name.sans-serif.x-western", "Arial");
 pref("font.name.monospace.x-western", "Courier New");
 pref("font.name.cursive.x-western", "Comic Sans MS");
 pref("font.name.serif.zh-CN", "SimSun");
 pref("font.name.sans-serif.zh-CN", "SimSun");
 pref("font.name.monospace.zh-CN", "SimSun");
 pref("font.name-list.serif.zh-CN", "MS Song, SimSun, SimSun-ExtB");
 pref("font.name-list.sans-serif.zh-CN", "MS Song, SimSun, SimSun-ExtB");
 pref("font.name-list.monospace.zh-CN", "MS Song, SimSun, SimSun-ExtB");
 // Per Taiwanese users' demand. They don't want to use TC fonts for
 // rendering Latin letters. (bug 88579)
 pref("font.name.serif.zh-TW", "Times New Roman");
 pref("font.name.sans-serif.zh-TW", "Arial");
 pref("font.name.monospace.zh-TW", "MingLiU");
 pref("font.name-list.serif.zh-TW", "PMingLiu, MingLiU, MingLiU-ExtB");
 pref("font.name-list.sans-serif.zh-TW", "PMingLiU, MingLiU, MingLiU-ExtB");
 pref("font.name-list.monospace.zh-TW", "MingLiU, MingLiU-ExtB");
 // hkscsm3u.ttf (HKSCS-2001) :  http://www.microsoft.com/hk/hkscs
 // Hong Kong users have the same demand about glyphs for Latin letters (bug 88579)
 pref("font.name.serif.zh-HK", "Times New Roman");
 pref("font.name.sans-serif.zh-HK", "Arial");
 pref("font.name.monospace.zh-HK", "MingLiu_HKSCS");
 pref("font.name-list.serif.zh-HK", "MingLiu_HKSCS, Ming(for ISO10646), MingLiU, MingLiU_HKSCS-ExtB");
 pref("font.name-list.sans-serif.zh-HK", "MingLiU_HKSCS, Ming(for ISO10646), MingLiU, MingLiU_HKSCS-ExtB");
 pref("font.name-list.monospace.zh-HK", "MingLiU_HKSCS, Ming(for ISO10646), MingLiU, MingLiU_HKSCS-ExtB");
 pref("font.name.serif.x-devanagari", "Kokila");
 pref("font.name.sans-serif.x-devanagari", "Nirmala UI");
 pref("font.name.monospace.x-devanagari", "Mangal");
 pref("font.name-list.serif.x-devanagari", "Kokila, Raghindi");
 pref("font.name-list.sans-serif.x-devanagari", "Nirmala UI, Mangal");
 pref("font.name-list.monospace.x-devanagari", "Mangal, Nirmala UI");
 pref("font.name.serif.x-tamil", "Latha");
 pref("font.name.sans-serif.x-tamil", "Code2000");
 pref("font.name.monospace.x-tamil", "Latha");
 pref("font.name-list.serif.x-tamil", "Latha, Code2000");
 pref("font.name-list.monospace.x-tamil", "Latha, Code2000");
 # http://www.alanwood.net/unicode/fonts.html
 pref("font.name.serif.x-armn", "Sylfaen");
 pref("font.name.sans-serif.x-armn", "Arial AMU");
 pref("font.name.monospace.x-armn", "Arial AMU");
 pref("font.name-list.serif.x-armn", "Sylfaen,Arial Unicode MS, Code2000");
 pref("font.name-list.monospace.x-armn", "Arial AMU, Arial Unicode MS, Code2000");
 pref("font.name.serif.x-beng", "Vrinda");
 pref("font.name.sans-serif.x-beng", "Vrinda");
 pref("font.name.monospace.x-beng", "Mitra Mono");
 pref("font.name-list.serif.x-beng", "Vrinda, Akaash, Likhan, Ekushey Punarbhaba, Code2000, Arial Unicode MS");
 pref("font.name-list.sans-serif.x-beng", "Vrinda, Akaash, Likhan, Ekushey Punarbhaba, Code2000, Arial Unicode MS");
 pref("font.name-list.monospace.x-beng", "Likhan, Mukti Narrow, Code2000, Arial Unicode MS");
 pref("font.name.serif.x-cans", "Aboriginal Serif");
 pref("font.name.sans-serif.x-cans", "Aboriginal Sans");
 pref("font.name.monospace.x-cans", "Aboriginal Sans");
 pref("font.name-list.serif.x-cans", "Aboriginal Serif, BJCree Uni");
 pref("font.name-list.monospace.x-cans", "Aboriginal Sans, OskiDakelh, Pigiarniq, Uqammaq");
 pref("font.name.serif.x-ethi", "Visual Geez Unicode");
 pref("font.name.sans-serif.x-ethi", "GF Zemen Unicode");
 pref("font.name.cursive.x-ethi", "Visual Geez Unicode Title");
 pref("font.name.monospace.x-ethi", "Ethiopia Jiret");
 pref("font.name-list.serif.x-ethi", "Visual Geez Unicode, Visual Geez Unicode Agazian, Code2000");
 pref("font.name-list.monospace.x-ethi", "Ethiopia Jiret, Code2000");
 pref("font.name.serif.x-geor", "Sylfaen");
 pref("font.name.sans-serif.x-geor", "BPG Classic 99U");
 pref("font.name.monospace.x-geor", "Code2000");
 pref("font.name-list.serif.x-geor", "Sylfaen, BPG Paata Khutsuri U, TITUS Cyberbit Basic");
 pref("font.name-list.monospace.x-geor", "BPG Classic 99U, Code2000, Arial Unicode MS");
 pref("font.name.serif.x-gujr", "Shruti");
 pref("font.name.sans-serif.x-gujr", "Shruti");
 pref("font.name.monospace.x-gujr", "Code2000");
 pref("font.name-list.serif.x-gujr", "Shruti, Code2000, Arial Unicode MS");
 pref("font.name-list.monospace.x-gujr", "Code2000, Shruti, Arial Unicode MS");
 pref("font.name.serif.x-guru", "Raavi");
 pref("font.name.sans-serif.x-guru", "Code2000");
 pref("font.name.monospace.x-guru", "Code2000");
 pref("font.name-list.serif.x-guru", "Raavi, Saab, Code2000, Arial Unicode MS");
 pref("font.name-list.monospace.x-guru", "Code2000, Raavi, Saab, Arial Unicode MS");
 pref("font.name.serif.x-khmr", "PhnomPenh OT");
 pref("font.name.sans-serif.x-khmr", "Khmer OS");
 pref("font.name.monospace.x-khmr", "Code2000");
 pref("font.name-list.serif.x-khmr", "PhnomPenh OT,.Mondulkiri U GR 1.5, Khmer OS");
 pref("font.name-list.monospace.x-khmr", "Code2000, Khmer OS, Khmer OS System");
 pref("font.name.serif.x-mlym", "Rachana_w01");
 pref("font.name.sans-serif.x-mlym", "Rachana_w01");
 pref("font.name.monospace.x-mlym", "Rachana_w01");
 pref("font.name-list.serif.x-mlym", "AnjaliOldLipi, Kartika, ThoolikaUnicode, Code2000, Arial Unicode MS");
 pref("font.name-list.sans-serif.x-mlym", "AnjaliOldLipi, Kartika, ThoolikaUnicode, Code2000, Arial Unicode MS");
 pref("font.name-list.monospace.x-mlym", "AnjaliOldLipi, Kartika, ThoolikaUnicode, Code2000, Arial Unicode MS");
 pref("font.name.serif.x-orya", "ori1Uni");
 pref("font.name.sans-serif.x-orya", "ori1Uni");
 pref("font.name.monospace.x-orya", "ori1Uni");
 pref("font.name-list.serif.x-orya", "Kalinga, ori1Uni, Code2000, Arial Unicode MS");
 pref("font.name-list.sans-serif.x-orya", "Kalinga, ori1Uni, Code2000, Arial Unicode MS");
 pref("font.name-list.monospace.x-orya", "Kalinga, ori1Uni, Code2000, Arial Unicode MS");
 pref("font.name.serif.x-telu", "Gautami");
 pref("font.name.sans-serif.x-telu", "Gautami");
 pref("font.name.monospace.x-telu", "Gautami");
 pref("font.name-list.serif.x-telu", "Gautami, Akshar Unicode, Code2000, Arial Unicode MS");
 pref("font.name-list.sans-serif.x-telu", "Gautami, Akshar Unicode, Code2000, Arial Unicode MS");
 pref("font.name-list.monospace.x-telu", "Gautami, Akshar Unicode, Code2000, Arial Unicode MS");
 pref("font.name.serif.x-knda", "Tunga");
 pref("font.name.sans-serif.x-knda", "Tunga");
 pref("font.name.monospace.x-knda", "Tunga");
 pref("font.name-list.serif.x-knda", "Tunga, AksharUnicode, Code2000, Arial Unicode MS");
 pref("font.name-list.sans-serif.x-knda", "Tunga, AksharUnicode, Code2000, Arial Unicode MS");
 pref("font.name-list.monospace.x-knda", "Tunga, AksharUnicode, Code2000, Arial Unicode MS");
 pref("font.name.serif.x-sinh", "Iskoola Pota");
 pref("font.name.sans-serif.x-sinh", "Iskoola Pota");
 pref("font.name.monospace.x-sinh", "Iskoola Pota");
 pref("font.name-list.serif.x-sinh", "Iskoola Pota, AksharUnicode");
 pref("font.name-list.sans-serif.x-sinh", "Iskoola Pota, AksharUnicode");
 pref("font.name-list.monospace.x-sinh", "Iskoola Pota, AksharUnicode");
 pref("font.name.serif.x-tibt", "Tibetan Machine Uni");
 pref("font.name.sans-serif.x-tibt", "Tibetan Machine Uni");
 pref("font.name.monospace.x-tibt", "Tibetan Machine Uni");
 pref("font.name-list.serif.x-tibt", "Tibetan Machine Uni, Jomolhari, Microsoft Himalaya");
 pref("font.name-list.sans-serif.x-tibt", "Tibetan Machine Uni, Jomolhari, Microsoft Himalaya");
 pref("font.name-list.monospace.x-tibt", "Tibetan Machine Uni, Jomolhari, Microsoft Himalaya");
 pref("font.default.ar", "sans-serif");
 pref("font.size.variable.ar", 16);
 pref("font.size.fixed.ar", 13);
 pref("font.default.el", "serif");
 pref("font.size.variable.el", 16);
 pref("font.size.fixed.el", 13);
 pref("font.default.he", "sans-serif");
 pref("font.size.variable.he", 16);
 pref("font.size.fixed.he", 13);
 pref("font.default.ja", "sans-serif");
 pref("font.size.variable.ja", 16);
 pref("font.size.fixed.ja", 16);
 pref("font.default.ko", "sans-serif");
 pref("font.size.variable.ko", 16);
 pref("font.size.fixed.ko", 16);
 pref("font.default.th", "serif");
 pref("font.size.variable.th", 16);
 pref("font.size.fixed.th", 13);
 pref("font.minimum-size.th", 10);
 pref("font.default.tr", "serif");
 pref("font.size.variable.tr", 16);
 pref("font.size.fixed.tr", 13);
 pref("font.default.x-baltic", "serif");
 pref("font.size.variable.x-baltic", 16);
 pref("font.size.fixed.x-baltic", 13);
 pref("font.default.x-central-euro", "serif");
 pref("font.size.variable.x-central-euro", 16);
 pref("font.size.fixed.x-central-euro", 13);
 pref("font.default.x-cyrillic", "serif");
 pref("font.size.variable.x-cyrillic", 16);
 pref("font.size.fixed.x-cyrillic", 13);
 pref("font.default.x-devanagari", "sans-serif");
 pref("font.size.variable.x-devanagari", 16);
 pref("font.size.fixed.x-devanagari", 13);
 pref("font.default.x-tamil", "serif");
 pref("font.size.variable.x-tamil", 16);
 pref("font.size.fixed.x-tamil", 13);
 pref("font.default.x-armn", "serif");
 pref("font.size.variable.x-armn", 16);
 pref("font.size.fixed.x-armn", 13);
 pref("font.default.x-beng", "serif");
 pref("font.size.variable.x-beng", 16);
 pref("font.size.fixed.x-beng", 13);
 pref("font.default.x-cans", "serif");
 pref("font.size.variable.x-cans", 16);
 pref("font.size.fixed.x-cans", 13);
 pref("font.default.x-ethi", "serif");
 pref("font.size.variable.x-ethi", 16);
 pref("font.size.fixed.x-ethi", 13);
 pref("font.default.x-geor", "serif");
 pref("font.size.variable.x-geor", 16);
 pref("font.size.fixed.x-geor", 13);
 pref("font.default.x-gujr", "serif");
 pref("font.size.variable.x-gujr", 16);
 pref("font.size.fixed.x-gujr", 13);
 pref("font.default.x-guru", "serif");
 pref("font.size.variable.x-guru", 16);
 pref("font.size.fixed.x-guru", 13);
 pref("font.default.x-khmr", "serif");
 pref("font.size.variable.x-khmr", 16);
 pref("font.size.fixed.x-khmr", 13);
 pref("font.default.x-mlym", "serif");
 pref("font.size.variable.x-mlym", 16);
 pref("font.size.fixed.x-mlym", 13);
 pref("font.default.x-orya", "serif");
 pref("font.size.variable.x-orya", 16);
 pref("font.size.fixed.x-orya", 13);
 pref("font.default.x-telu", "serif");
 pref("font.size.variable.x-telu", 16);
 pref("font.size.fixed.x-telu", 13);
 pref("font.default.x-knda", "serif");
 pref("font.size.variable.x-knda", 16);
 pref("font.size.fixed.x-knda", 13);
 pref("font.default.x-sinh", "serif");
 pref("font.size.variable.x-sinh", 16);
 pref("font.size.fixed.x-sinh", 13);
 pref("font.default.x-tibt", "serif");
 pref("font.size.variable.x-tibt", 16);
 pref("font.size.fixed.x-tibt", 13);
 pref("font.default.x-unicode", "serif");
 pref("font.size.variable.x-unicode", 16);
 pref("font.size.fixed.x-unicode", 13);
 pref("font.default.x-western", "serif");
 pref("font.size.variable.x-western", 16);
 pref("font.size.fixed.x-western", 13);
 pref("font.default.zh-CN", "sans-serif");
 pref("font.size.variable.zh-CN", 16);
 pref("font.size.fixed.zh-CN", 16);
 pref("font.default.zh-TW", "sans-serif");
 pref("font.size.variable.zh-TW", 16);
 pref("font.size.fixed.zh-TW", 16);
 pref("font.default.zh-HK", "sans-serif");
 pref("font.size.variable.zh-HK", 16);
 pref("font.size.fixed.zh-HK", 16);
 // We have special support for Monotype Symbol on Windows.
 pref("font.mathfont-family", "MathJax_Main, STIXNonUnicode, STIXSizeOneSym, STIXGeneral, Asana Math, Symbol, DejaVu Sans, Cambria Math");
 // cleartype settings - false implies default system settings
 // use cleartype rendering for downloadable fonts (win xp only)
 pref("gfx.font_rendering.cleartype.use_for_downloadable_fonts", true);
 // use cleartype rendering for all fonts always (win xp only)
 pref("gfx.font_rendering.cleartype.always_use_for_content", false);
 // ClearType tuning parameters for directwrite/d2d.
 //
 // Allows overriding of underlying registry values in:
 //   HKCU/Software/Microsoft/Avalon.Graphics/<display> (contrast and level)
 //   HKLM/Software/Microsoft/Avalon.Graphics/<display> (gamma, pixel structure)
 // and selection of the ClearType/antialiasing mode.
 //
 // A value of -1 implies use the default value, otherwise value ranges
 // follow registry settings:
 //   gamma [1000, 2200]  default: based on screen, typically 2200 (== 2.2)
 //   enhanced contrast [0, 1000] default: 50
 //   cleartype level [0, 100] default: 100
 //   pixel structure [0, 2] default: 0 (flat/RGB/BGR)
 //   rendering mode [0, 5] default: 0
 //     0 = use default for font & size;
 //     1 = aliased;
 //     2 = GDI Classic;
 //     3 = GDI Natural Widths;
 //     4 = Natural;
 //     5 = Natural Symmetric
 //
 // See:
 //   http://msdn.microsoft.com/en-us/library/aa970267.aspx
 //   http://msdn.microsoft.com/en-us/library/dd368190%28v=VS.85%29.aspx
 // Note: DirectWrite uses the "Enhanced Contrast Level" value rather than the
 // "Text Contrast Level" value
 pref("gfx.font_rendering.cleartype_params.gamma", -1);
 pref("gfx.font_rendering.cleartype_params.enhanced_contrast", -1);
 pref("gfx.font_rendering.cleartype_params.cleartype_level", -1);
 pref("gfx.font_rendering.cleartype_params.pixel_structure", -1);
 pref("gfx.font_rendering.cleartype_params.rendering_mode", -1);
 // A comma-separated list of font family names. Fonts in these families will
 // be forced to use "GDI Classic" ClearType mode, provided the value
 // of gfx.font_rendering.cleartype_params.rendering_mode is -1
 // (i.e. a specific rendering_mode has not been explicitly set).
 // Currently we apply this setting to the sans-serif Microsoft "core Web fonts".
 pref("gfx.font_rendering.cleartype_params.force_gdi_classic_for_families",
      "Arial,Consolas,Courier New,Microsoft Sans Serif,Segoe UI,Tahoma,Trebuchet MS,Verdana");
 // The maximum size at which we will force GDI classic mode using
 // force_gdi_classic_for_families.
 pref("gfx.font_rendering.cleartype_params.force_gdi_classic_max_size", 15);
 pref("ui.key.menuAccessKeyFocuses", true);
 // override double-click word selection behavior.
 pref("layout.word_select.eat_space_to_next_word", true);
 // scrollbar snapping region
 pref("slider.snapMultiplier", 6);
 // print_extra_margin enables platforms to specify an extra gap or margin
 // around the content of the page for Print Preview only
 pref("print.print_extra_margin", 90); // twips (90 twips is an eigth of an inch)
 // Whether to extend the native dialog with information on printing frames.
 pref("print.extend_native_print_dialog", true);
 // Locate plugins by scanning the Adobe Acrobat installation directory with a minimum version
 pref("plugin.scan.Acrobat", "5.0");
 // Locate plugins by scanning the Quicktime installation directory with a minimum version
 pref("plugin.scan.Quicktime", "5.0");
 // Locate and scan the Window Media Player installation directory for plugins with a minimum version
 pref("plugin.scan.WindowsMediaPlayer", "7.0");
 // Locate plugins by the directories specified in the Windows registry for PLIDs
 // Which is currently HKLM\Software\MozillaPlugins\xxxPLIDxxx\Path
 pref("plugin.scan.plid.all", true);
 // Allow the new AsyncDrawing mode to be used for plugins.
 pref("plugin.allow.asyncdrawing", false);
 // Help Windows NT, 2000, and XP dialup a RAS connection
 // when a network address is unreachable.
 pref("network.autodial-helper.enabled", true);
 // Switch the keyboard layout per window
 pref("intl.keyboard.per_window_layout", false);
 #ifdef NS_ENABLE_TSF
 // Enable/Disable TSF support
 pref("intl.tsf.enable", false);
 // Support IMEs implemented with IMM in TSF mode.
 pref("intl.tsf.support_imm", true);
 // Enables/Disables hack for specific TIP.
 // Whether creates native caret for ATOK or not.
 pref("intl.tsf.hack.atok.create_native_caret", true);
 #endif
 // See bug 448927, on topmost panel, some IMEs are not usable on Windows.
 pref("ui.panel.default_level_parent", false);
 pref("mousewheel.system_scroll_override_on_root_content.enabled", true);
 // High resolution scrolling with supported mouse drivers on Vista or later.
 pref("mousewheel.enable_pixel_scrolling", true);
 // If your mouse drive sends WM_*SCROLL messages when you turn your mouse wheel,
 // set this to true.  Then, gecko processes them as mouse wheel messages.
 pref("mousewheel.emulate_at_wm_scroll", false);
 // Enables or disabled the TrackPoint hack, -1 is autodetect, 0 is off,
 // and 1 is on.  Set this to 1 if TrackPoint scrolling is not working.
 pref("ui.trackpoint_hack.enabled", -1);
 // Setting this to a non-empty string overrides the Win32 "window class" used
 // for "normal" windows. Setting this to MozillaUIWindowClass might make
 // some trackpad drivers behave better.
 pref("ui.window_class_override", "");
 // Enables or disables the Elantech gesture hacks.  -1 is autodetect, 0 is off,
 // and 1 is on.  Set this to 1 if three-finger swipe gestures do not cause
 // page back/forward actions, or if pinch-to-zoom does not work.
 pref("ui.elantech_gesture_hacks.enabled", -1);
 # XP_WIN
 #endif
 #ifdef XP_MACOSX
 // Mac specific preference defaults
 pref("browser.drag_out_of_frame_style", 1);
 pref("ui.key.saveLink.shift", false); // true = shift, false = meta
 // default fonts (in UTF8 and using canonical names)
 // to determine canonical font names, use a debug build and
 // enable NSPR logging for module fontInfoLog:5
 // canonical names immediately follow '(fontinit) family:' in the log
 pref("font.name.serif.ar", "Al Bayan");
 pref("font.name.sans-serif.ar", "Geeza Pro");
 pref("font.name.monospace.ar", "Geeza Pro");
 pref("font.name.cursive.ar", "DecoType Naskh");
 pref("font.name.fantasy.ar", "KufiStandardGK");
 pref("font.name-list.serif.ar", "Al Bayan");
 pref("font.name-list.sans-serif.ar", "Geeza Pro");
 pref("font.name-list.monospace.ar", "Geeza Pro");
 pref("font.name-list.cursive.ar", "DecoType Naskh");
 pref("font.name-list.fantasy.ar", "KufiStandardGK");
 pref("font.name.serif.el", "Times");
 pref("font.name.sans-serif.el", "Helvetica");
 pref("font.name.monospace.el", "Courier New");
 pref("font.name.cursive.el", "Lucida Grande");
 pref("font.name.fantasy.el", "Lucida Grande");
 pref("font.name-list.serif.el", "Times,Times New Roman");
 pref("font.name-list.sans-serif.el", "Helvetica,Lucida Grande");
 pref("font.name-list.monospace.el", "Courier New,Lucida Grande");
 pref("font.name-list.cursive.el", "Times,Lucida Grande");
 pref("font.name-list.fantasy.el", "Times,Lucida Grande");
 pref("font.name.serif.he", "Times New Roman");
 pref("font.name.sans-serif.he", "Arial");
 pref("font.name.monospace.he", "Courier New");
 pref("font.name.cursive.he", "Times New Roman");
 pref("font.name.fantasy.he", "Times New Roman");
 pref("font.name-list.serif.he", "Times New Roman");
 pref("font.name-list.sans-serif.he", "Arial");
 pref("font.name-list.monospace.he", "Courier New");
 pref("font.name-list.cursive.he", "Times New Roman");
 pref("font.name-list.fantasy.he", "Times New Roman");
 pref("font.name.serif.ja", "Hiragino Mincho ProN");
 pref("font.name.sans-serif.ja", "Hiragino Kaku Gothic ProN");
 pref("font.name.monospace.ja", "Osaka-Mono");
 pref("font.name-list.serif.ja", "Hiragino Mincho ProN,Hiragino Mincho Pro");
 pref("font.name-list.sans-serif.ja", "Hiragino Kaku Gothic ProN,Hiragino Kaku Gothic Pro");
 pref("font.name-list.monospace.ja", "Osaka-Mono");
 pref("font.name.serif.ko", "AppleMyungjo");
 pref("font.name.sans-serif.ko", "Apple SD Gothic Neo");
 pref("font.name.monospace.ko", "Apple SD Gothic Neo");
 pref("font.name-list.serif.ko", "AppleMyungjo");
 pref("font.name-list.sans-serif.ko", "Apple SD Gothic Neo,AppleGothic");
 pref("font.name-list.monospace.ko", "Apple SD Gothic Neo,AppleGothic");
 pref("font.name.serif.th", "Thonburi");
 pref("font.name.sans-serif.th", "Thonburi");
 pref("font.name.monospace.th", "Ayuthaya");
 pref("font.name-list.serif.th", "Thonburi");
 pref("font.name-list.sans-serif.th", "Thonburi");
 pref("font.name-list.monospace.th", "Ayuthaya");
 pref("font.name.serif.tr", "Times");
 pref("font.name.sans-serif.tr", "Helvetica");
 pref("font.name.monospace.tr", "Courier");
 pref("font.name.cursive.tr", "Apple Chancery");
 pref("font.name.fantasy.tr", "Papyrus");
 pref("font.name-list.serif.tr", "Times");
 pref("font.name-list.sans-serif.tr", "Helvetica");
 pref("font.name-list.monospace.tr", "Courier");
 pref("font.name-list.cursive.tr", "Apple Chancery");
 pref("font.name-list.fantasy.tr", "Papyrus");
 pref("font.name.serif.x-armn", "Mshtakan");
 pref("font.name.sans-serif.x-armn", "Mshtakan");
 pref("font.name.monospace.x-armn", "Mshtakan");
 pref("font.name-list.serif.x-armn", "Mshtakan");
 pref("font.name-list.sans-serif.x-armn", "Mshtakan");
 pref("font.name-list.monospace.x-armn", "Mshtakan");
 pref("font.name.serif.x-baltic", "Times");
 pref("font.name.sans-serif.x-baltic", "Helvetica");
 pref("font.name.monospace.x-baltic", "Courier");
 pref("font.name.cursive.x-baltic", "Apple Chancery");
 pref("font.name.fantasy.x-baltic", "Papyrus");
 pref("font.name-list.serif.x-baltic", "Times");
 pref("font.name-list.sans-serif.x-baltic", "Helvetica");
 pref("font.name-list.monospace.x-baltic", "Courier");
 pref("font.name-list.cursive.x-baltic", "Apple Chancery");
 pref("font.name-list.fantasy.x-baltic", "Papyrus");
 // SolaimanLipi, Rupali http://ekushey.org/?page/mac_download
 pref("font.name.serif.x-beng", "Bangla MN");
 pref("font.name.sans-serif.x-beng", "Bangla Sangam MN");
 pref("font.name.monospace.x-beng", "Bangla Sangam MN");
 pref("font.name-list.serif.x-beng", "Bangla MN");
 pref("font.name-list.sans-serif.x-beng", "Bangla Sangam MN");
 pref("font.name-list.monospace.x-beng", "Bangla Sangam MN");
 pref("font.name.serif.x-cans", "Euphemia UCAS");
 pref("font.name.sans-serif.x-cans", "Euphemia UCAS");
 pref("font.name.monospace.x-cans", "Euphemia UCAS");
 pref("font.name-list.serif.x-cans", "Euphemia UCAS");
 pref("font.name-list.sans-serif.x-cans", "Euphemia UCAS");
 pref("font.name-list.monospace.x-cans", "Euphemia UCAS");
 pref("font.name.serif.x-central-euro", "Times");
 pref("font.name.sans-serif.x-central-euro", "Helvetica");
 pref("font.name.monospace.x-central-euro", "Courier");
 pref("font.name.cursive.x-central-euro", "Apple Chancery");
 pref("font.name.fantasy.x-central-euro", "Papyrus");
 pref("font.name-list.serif.x-central-euro", "Times");
 pref("font.name-list.sans-serif.x-central-euro", "Helvetica");
 pref("font.name-list.monospace.x-central-euro", "Courier");
 pref("font.name-list.cursive.x-central-euro", "Apple Chancery");
 pref("font.name-list.fantasy.x-central-euro", "Papyrus");
 pref("font.name.serif.x-cyrillic", "Times");
 pref("font.name.sans-serif.x-cyrillic", "Helvetica");
 pref("font.name.monospace.x-cyrillic", "Monaco");
 pref("font.name.cursive.x-cyrillic", "Geneva");
 pref("font.name.fantasy.x-cyrillic", "Charcoal CY");
 pref("font.name-list.serif.x-cyrillic", "Times,Times New Roman");
 pref("font.name-list.sans-serif.x-cyrillic", "Helvetica,Arial");
 pref("font.name-list.monospace.x-cyrillic", "Monaco,Courier New");
 pref("font.name-list.cursive.x-cyrillic", "Geneva");
 pref("font.name-list.fantasy.x-cyrillic", "Charcoal CY");
 pref("font.name.serif.x-devanagari", "Devanagari MT");
 pref("font.name.sans-serif.x-devanagari", "Devanagari Sangam MN");
 pref("font.name.monospace.x-devanagari", "Devanagari Sangam MN");
 pref("font.name-list.serif.x-devanagari", "Devanagari MT");
 pref("font.name-list.sans-serif.x-devanagari", "Devanagari Sangam MN,Devanagari MT");
 pref("font.name-list.monospace.x-devanagari", "Devanagari Sangam MN,Devanagari MT");
 // Abyssinica SIL http://scripts.sil.org/AbyssinicaSIL_Download
 pref("font.name.serif.x-ethi", "Kefa");
 pref("font.name.sans-serif.x-ethi", "Kefa");
 pref("font.name.monospace.x-ethi", "Kefa");
 pref("font.name-list.serif.x-ethi", "Kefa,Abyssinica SIL");
 pref("font.name-list.sans-serif.x-ethi", "Kefa,Abyssinica SIL");
 pref("font.name-list.monospace.x-ethi", "Kefa,Abyssinica SIL");
 // no suitable fonts for georgian ship with mac os x
 // however some can be freely downloaded
 // TITUS Cyberbit Basic http://titus.fkidg1.uni-frankfurt.de/unicode/tituut.asp
 // Zuzumbo http://homepage.mac.com/rsiradze/FileSharing91.html
 pref("font.name.serif.x-geor", "TITUS Cyberbit Basic");
 pref("font.name.sans-serif.x-geor", "Zuzumbo");
 pref("font.name.monospace.x-geor", "Zuzumbo");
 pref("font.name-list.serif.x-geor", "TITUS Cyberbit Basic");
 pref("font.name-list.sans-serif.x-geor", "Zuzumbo");
 pref("font.name-list.monospace.x-geor", "Zuzumbo");
 pref("font.name.serif.x-gujr", "Gujarati MT");
 pref("font.name.sans-serif.x-gujr", "Gujarati Sangam MN");
 pref("font.name.monospace.x-gujr", "Gujarati Sangam MN");
 pref("font.name-list.serif.x-gujr", "Gujarati MT");
 pref("font.name-list.sans-serif.x-gujr", "Gujarati Sangam MN,Gujarati MT");
 pref("font.name-list.monospace.x-gujr", "Gujarati Sangam MN,Gujarati MT");
 pref("font.name.serif.x-guru", "Gurmukhi MT");
 pref("font.name.sans-serif.x-guru", "Gurmukhi MT");
 pref("font.name.monospace.x-guru", "Gurmukhi MT");
 pref("font.name-list.serif.x-guru", "Gurmukhi MT");
 pref("font.name-list.sans-serif.x-guru", "Gurmukhi MT");
 pref("font.name-list.monospace.x-guru", "Gurmukhi MT");
 pref("font.name.serif.x-khmr", "Khmer MN");
 pref("font.name.sans-serif.x-khmr", "Khmer Sangam MN");
 pref("font.name.monospace.x-khmr", "Khmer Sangam MN");
 pref("font.name-list.serif.x-khmr", "Khmer MN");
 pref("font.name-list.sans-serif.x-khmr", "Khmer Sangam MN");
 pref("font.name-list.monospace.x-khmr", "Khmer Sangam MN");
 pref("font.name.serif.x-mlym", "Malayalam MN");
 pref("font.name.sans-serif.x-mlym", "Malayalam Sangam MN");
 pref("font.name.monospace.x-mlym", "Malayalam Sangam MN");
 pref("font.name-list.serif.x-mlym", "Malayalam MN");
 pref("font.name-list.sans-serif.x-mlym", "Malayalam Sangam MN");
 pref("font.name-list.monospace.x-mlym", "Malayalam Sangam MN");
 pref("font.name.serif.x-orya", "Oriya MN");
 pref("font.name.sans-serif.x-orya", "Oriya Sangam MN");
 pref("font.name.monospace.x-orya", "Oriya Sangam MN");
 pref("font.name-list.serif.x-orya", "Oriya MN");
 pref("font.name-list.sans-serif.x-orya", "Oriya Sangam MN");
 pref("font.name-list.monospace.x-orya", "Oriya Sangam MN");
 // Pothana http://web.nickshanks.com/typography/telugu/
 pref("font.name.serif.x-telu", "Telugu MN");
 pref("font.name.sans-serif.x-telu", "Telugu Sangam MN");
 pref("font.name.monospace.x-telu", "Telugu Sangam MN");
 pref("font.name-list.serif.x-telu", "Telugu MN,Pothana");
 pref("font.name-list.sans-serif.x-telu", "Telugu Sangam MN,Pothana");
 pref("font.name-list.monospace.x-telu", "Telugu Sangam MN,Pothana");
 // Kedage http://web.nickshanks.com/typography/kannada/
 pref("font.name.serif.x-knda", "Kannada MN");
 pref("font.name.sans-serif.x-knda", "Kannada Sangam MN");
 pref("font.name.monospace.x-knda", "Kannada Sangam MN");
 pref("font.name-list.serif.x-knda", "Kannada MN,Kedage");
 pref("font.name-list.sans-serif.x-knda", "Kannada Sangam MN,Kedage");
 pref("font.name-list.monospace.x-knda", "Kannada Sangam MN,Kedage");
 pref("font.name.serif.x-sinh", "Sinhala MN");
 pref("font.name.sans-serif.x-sinh", "Sinhala Sangam MN");
 pref("font.name.monospace.x-sinh", "Sinhala Sangam MN");
 pref("font.name-list.serif.x-sinh", "Sinhala MN");
 pref("font.name-list.sans-serif.x-sinh", "Sinhala Sangam MN");
 pref("font.name-list.monospace.x-sinh", "Sinhala Sangam MN");
 pref("font.name.serif.x-tamil", "InaiMathi");
 pref("font.name.sans-serif.x-tamil", "InaiMathi");
 pref("font.name.monospace.x-tamil", "InaiMathi");
 pref("font.name-list.serif.x-tamil", "InaiMathi");
 pref("font.name-list.sans-serif.x-tamil", "InaiMathi");
 pref("font.name-list.monospace.x-tamil", "InaiMathi");
 // Kailasa ships with mac os x >= 10.5
 pref("font.name.serif.x-tibt", "Kailasa");
 pref("font.name.sans-serif.x-tibt", "Kailasa");
 pref("font.name.monospace.x-tibt", "Kailasa");
 pref("font.name-list.serif.x-tibt", "Kailasa");
 pref("font.name-list.sans-serif.x-tibt", "Kailasa");
 pref("font.name-list.monospace.x-tibt", "Kailasa");
 pref("font.name.serif.x-unicode", "Times");
 pref("font.name.sans-serif.x-unicode", "Helvetica");
 pref("font.name.monospace.x-unicode", "Courier");
 pref("font.name.cursive.x-unicode", "Apple Chancery");
 pref("font.name.fantasy.x-unicode", "Papyrus");
 pref("font.name-list.serif.x-unicode", "Times");
 pref("font.name-list.sans-serif.x-unicode", "Helvetica");
 pref("font.name-list.monospace.x-unicode", "Courier");
 pref("font.name-list.cursive.x-unicode", "Apple Chancery");
 pref("font.name-list.fantasy.x-unicode", "Papyrus");
 pref("font.name.serif.x-western", "Times");
 pref("font.name.sans-serif.x-western", "Helvetica");
 pref("font.name.monospace.x-western", "Courier");
 pref("font.name.cursive.x-western", "Apple Chancery");
 pref("font.name.fantasy.x-western", "Papyrus");
 pref("font.name-list.serif.x-western", "Times,Times New Roman");
 pref("font.name-list.sans-serif.x-western", "Helvetica,Arial");
 pref("font.name-list.monospace.x-western", "Courier,Courier New");
 pref("font.name-list.cursive.x-western", "Apple Chancery");
 pref("font.name-list.fantasy.x-western", "Papyrus");
 pref("font.name.serif.zh-CN", "Times");
 pref("font.name.sans-serif.zh-CN", "Helvetica");
 pref("font.name.monospace.zh-CN", "Courier");
 pref("font.name-list.serif.zh-CN", "Times,STSong,Heiti SC");
 pref("font.name-list.sans-serif.zh-CN", "Helvetica,STHeiti,Heiti SC");
 pref("font.name-list.monospace.zh-CN", "Courier,STHeiti,Heiti SC");
 pref("font.name.serif.zh-TW", "Times");
 pref("font.name.sans-serif.zh-TW", "Helvetica");
 pref("font.name.monospace.zh-TW", "Courier");
 pref("font.name-list.serif.zh-TW", "Times,LiSong Pro,Heiti TC");
 pref("font.name-list.sans-serif.zh-TW", "Helvetica,Heiti TC,LiHei Pro");
 pref("font.name-list.monospace.zh-TW", "Courier,Heiti TC,LiHei Pro");
 pref("font.name.serif.zh-HK", "Times");
 pref("font.name.sans-serif.zh-HK", "Helvetica");
 pref("font.name.monospace.zh-HK", "Courier");
 pref("font.name-list.serif.zh-HK", "Times,LiSong Pro,Heiti TC");
 pref("font.name-list.sans-serif.zh-HK", "Helvetica,Heiti TC,LiHei Pro");
 pref("font.name-list.monospace.zh-HK", "Courier,Heiti TC,LiHei Pro");
 pref("font.default.ar", "sans-serif");
 pref("font.size.variable.ar", 16);
 pref("font.size.fixed.ar", 13);
 pref("font.default.el", "serif");
 pref("font.size.variable.el", 16);
 pref("font.size.fixed.el", 13);
 pref("font.default.he", "sans-serif");
 pref("font.size.variable.he", 16);
 pref("font.size.fixed.he", 13);
 pref("font.default.ja", "sans-serif");
 pref("font.size.variable.ja", 16);
 pref("font.size.fixed.ja", 16);
 pref("font.default.ko", "sans-serif");
 pref("font.size.variable.ko", 16);
 pref("font.size.fixed.ko", 16);
 pref("font.default.th", "serif");
 pref("font.size.variable.th", 16);
 pref("font.size.fixed.th", 13);
 pref("font.minimum-size.th", 10);
 pref("font.default.tr", "serif");
 pref("font.size.variable.tr", 16);
 pref("font.size.fixed.tr", 13);
 pref("font.default.x-armn", "serif");
 pref("font.size.variable.x-armn", 16);
 pref("font.size.fixed.x-armn", 13);
 pref("font.default.x-baltic", "serif");
 pref("font.size.variable.x-baltic", 16);
 pref("font.size.fixed.x-baltic", 13);
 pref("font.default.x-beng", "serif");
 pref("font.size.variable.x-beng", 16);
 pref("font.size.fixed.x-beng", 13);
 pref("font.default.x-cans", "serif");
 pref("font.size.variable.x-cans", 16);
 pref("font.size.fixed.x-cans", 13);
 pref("font.default.x-central-euro", "serif");
 pref("font.size.variable.x-central-euro", 16);
 pref("font.size.fixed.x-central-euro", 13);
 pref("font.default.x-cyrillic", "serif");
 pref("font.size.variable.x-cyrillic", 16);
 pref("font.size.fixed.x-cyrillic", 13);
 pref("font.default.x-devanagari", "serif");
 pref("font.size.variable.x-devanagari", 16);
 pref("font.size.fixed.x-devanagari", 13);
 pref("font.default.x-ethi", "serif");
 pref("font.size.variable.x-ethi", 16);
 pref("font.size.fixed.x-ethi", 13);
 pref("font.default.x-geor", "serif");
 pref("font.size.variable.x-geor", 16);
 pref("font.size.fixed.x-geor", 13);
 pref("font.default.x-gujr", "serif");
 pref("font.size.variable.x-gujr", 16);
 pref("font.size.fixed.x-gujr", 13);
 pref("font.default.x-guru", "serif");
 pref("font.size.variable.x-guru", 16);
 pref("font.size.fixed.x-guru", 13);
 pref("font.default.x-khmr", "serif");
 pref("font.size.variable.x-khmr", 16);
 pref("font.size.fixed.x-khmr", 13);
 pref("font.default.x-mlym", "serif");
 pref("font.size.variable.x-mlym", 16);
 pref("font.size.fixed.x-mlym", 13);
 pref("font.default.x-tamil", "serif");
 pref("font.size.variable.x-tamil", 16);
 pref("font.size.fixed.x-tamil", 13);
 pref("font.default.x-orya", "serif");
 pref("font.size.variable.x-orya", 16);
 pref("font.size.fixed.x-orya", 13);
 pref("font.default.x-telu", "serif");
 pref("font.size.variable.x-telu", 16);
 pref("font.size.fixed.x-telu", 13);
 pref("font.default.x-knda", "serif");
 pref("font.size.variable.x-knda", 16);
 pref("font.size.fixed.x-knda", 13);
 pref("font.default.x-sinh", "serif");
 pref("font.size.variable.x-sinh", 16);
 pref("font.size.fixed.x-sinh", 13);
 pref("font.default.x-tibt", "serif");
 pref("font.size.variable.x-tibt", 16);
 pref("font.size.fixed.x-tibt", 13);
 pref("font.default.x-unicode", "serif");
 pref("font.size.variable.x-unicode", 16);
 pref("font.size.fixed.x-unicode", 13);
 pref("font.default.x-western", "serif");
 pref("font.size.variable.x-western", 16);
 pref("font.size.fixed.x-western", 13);
 pref("font.default.zh-CN", "sans-serif");
 pref("font.size.variable.zh-CN", 15);
 pref("font.size.fixed.zh-CN", 16);
 pref("font.default.zh-TW", "sans-serif");
 pref("font.size.variable.zh-TW", 15);
 pref("font.size.fixed.zh-TW", 16);
 pref("font.default.zh-HK", "sans-serif");
 pref("font.size.variable.zh-HK", 15);
 pref("font.size.fixed.zh-HK", 16);
 // Apple's Symbol is Unicode so use it
 pref("font.mathfont-family", "Latin Modern Math, XITS Math, STIX Math, Cambria Math, Asana Math, TeX Gyre Bonum Math, TeX Gyre Pagella Math, TeX Gyre Termes Math, Neo Euler, Lucida Bright Math, MathJax_Main, STIXNonUnicode, STIXSizeOneSym, STIXGeneral, Symbol, DejaVu Sans");
 // individual font faces to be treated as independent families
 // names are Postscript names of each face
 pref("font.single-face-list", "Osaka-Mono");
 // optimization hint for fonts with localized names to be read in at startup, otherwise read in at lookup miss
 // names are canonical family names (typically English names)
 pref("font.preload-names-list", "Hiragino Kaku Gothic ProN,Hiragino Mincho ProN,STSong");
 // Override font-weight values for some problematic families Apple ships
 // (see bug 931426).
 // The name here is the font's PostScript name, which can be checked in
 // the Font Book utility or other tools.
 pref("font.weight-override.AppleSDGothicNeo-Thin", 100); // Ensure Thin < UltraLight < Light
 pref("font.weight-override.AppleSDGothicNeo-UltraLight", 200);
 pref("font.weight-override.AppleSDGothicNeo-Light", 300);
 pref("font.weight-override.AppleSDGothicNeo-Heavy", 900); // Ensure Heavy > ExtraBold (800)
 pref("font.weight-override.Avenir-Book", 300); // Ensure Book < Roman (400)
 pref("font.weight-override.Avenir-BookOblique", 300);
 pref("font.weight-override.Avenir-MediumOblique", 500); // Harmonize MediumOblique with Medium
 pref("font.weight-override.Avenir-Black", 900); // Ensure Black > Heavy (800)
 pref("font.weight-override.Avenir-BlackOblique", 900);
 pref("font.weight-override.AvenirNext-MediumItalic", 500); // Harmonize MediumItalic with Medium
 pref("font.weight-override.AvenirNextCondensed-MediumItalic", 500);
 pref("font.weight-override.HelveticaNeue-Light", 300); // Ensure Light > Thin (200)
 pref("font.weight-override.HelveticaNeue-LightItalic", 300);
 pref("font.weight-override.HelveticaNeue-MediumItalic", 500); // Harmonize MediumItalic with Medium
 // Override the Windows settings: no menu key, meta accelerator key. ctrl for general access key in HTML/XUL
 // Use 17 for Ctrl, 18 for Option, 224 for Cmd, 0 for none
 pref("ui.key.menuAccessKey", 0);
 pref("ui.key.accelKey", 224);
 // (pinkerton, joki, saari) IE5 for mac uses Control for access keys. The HTML4 spec
 // suggests to use command on mac, but this really sucks (imagine someone having a "q"
 // as an access key and not letting you quit the app!). As a result, we've made a
 // command decision 1 day before tree lockdown to change it to the control key.
 pref("ui.key.generalAccessKey", -1);
 // If generalAccessKey is -1, use the following two prefs instead.
 // Use 0 for disabled, 1 for Shift, 2 for Ctrl, 4 for Alt, 8 for Meta (Cmd)
 // (values can be combined, e.g. 3 for Ctrl+Shift)
 pref("ui.key.chromeAccess", 2);
 pref("ui.key.contentAccess", 6);
 // print_extra_margin enables platforms to specify an extra gap or margin
 // around the content of the page for Print Preview only
 pref("print.print_extra_margin", 90); // twips (90 twips is an eigth of an inch)
 // See bug 404131, topmost <panel> element wins to Dashboard on MacOSX.
 pref("ui.panel.default_level_parent", false);
 pref("ui.plugin.cancel_composition_at_input_source_changed", false);
 // The min width of composition window for plugins
 pref("ui.plugin.panel.min-width", 500);
 pref("mousewheel.system_scroll_override_on_root_content.enabled", false);
 // Macbook touchpad two finger pixel scrolling
 pref("mousewheel.enable_pixel_scrolling", true);
 # XP_MACOSX
 #endif
 #ifdef ANDROID
 // Handled differently under Mac/Windows
 pref("network.protocol-handler.warn-external.file", false);
 pref("browser.drag_out_of_frame_style", 1);
 // Middle-mouse handling
 pref("middlemouse.paste", true);
 pref("middlemouse.contentLoadURL", true);
 pref("middlemouse.openNewWindow", true);
 pref("middlemouse.scrollbarPosition", true);
 pref("browser.urlbar.clickSelectsAll", false);
 // Tab focus model bit field:
 // 1 focuses text controls, 2 focuses other form elements, 4 adds links.
 // Leave this at the default, 7, to match mozilla1.0-era user expectations.
 // pref("accessibility.tabfocus", 1);
 // autocomplete keyboard grab workaround
 pref("autocomplete.grab_during_popup", true);
 pref("autocomplete.ungrab_during_mode_switch", true);
 // Default to using the system filepicker if possible, but allow
 // toggling to use the XUL filepicker
 pref("ui.allow_platform_file_picker", true);
 pref("helpers.global_mime_types_file", "/etc/mime.types");
 pref("helpers.global_mailcap_file", "/etc/mailcap");
 pref("helpers.private_mime_types_file", "~/.mime.types");
 pref("helpers.private_mailcap_file", "~/.mailcap");
 pref("print.print_command", "lpr ${MOZ_PRINTER_NAME:+-P\"$MOZ_PRINTER_NAME\"}");
 pref("print.printer_list", ""); // list of printers, separated by spaces
 pref("print.print_reversed", false);
 pref("print.print_color", true);
 pref("print.print_landscape", false);
 pref("print.print_paper_size", 0);
 // print_extra_margin enables platforms to specify an extra gap or margin
 // around the content of the page for Print Preview only
 pref("print.print_extra_margin", 0); // twips
 # ANDROID
 #endif
 #if defined(ANDROID) || defined(FXOS_SIMULATOR)
 // font names
 pref("font.alias-list", "sans,sans-serif,serif,monospace");
 // Gonk (along with FxOS Simulator) and Android ship different sets of fonts
 #if defined(MOZ_WIDGET_GONK) || defined(FXOS_SIMULATOR)
 // TODO: some entries could probably be cleaned up.
 // ar
 pref("font.name.serif.el", "Droid Serif");
 pref("font.name.sans-serif.el", "Roboto"); // To be updated once the Greek letters in Fira are revised
 pref("font.name.monospace.el", "Droid Sans Mono");
 pref("font.name.serif.he", "Charis SIL Compact");
 pref("font.name.sans-serif.he", "Fira Sans OT");
 pref("font.name.monospace.he", "Fira Mono OT");
 pref("font.name-list.sans-serif.he", "Droid Sans Hebrew, Fira Sans OT");
 pref("font.name.serif.ja", "Charis SIL Compact");
 pref("font.name.sans-serif.ja", "Fira Sans OT");
 pref("font.name.monospace.ja", "MotoyaLMaru");
 pref("font.name-list.sans-serif.ja", "Fira Sans OT, MotoyaLMaru, MotoyaLCedar, Droid Sans Japanese");
 pref("font.name-list.monospace.ja", "MotoyaLMaru, MotoyaLCedar, Fira Mono OT");
 pref("font.name.serif.ko", "Charis SIL Compact");
 pref("font.name.sans-serif.ko", "Fira Sans OT");
 pref("font.name.monospace.ko", "Fira Mono OT");
 pref("font.name.serif.th", "Charis SIL Compact");
 pref("font.name.sans-serif.th", "Fira Sans OT");
 pref("font.name.monospace.th", "Fira Mono OT");
 pref("font.name-list.sans-serif.th", "Fira Sans OT, Droid Sans Thai");
 pref("font.name.serif.tr", "Charis SIL Compact");
 pref("font.name.sans-serif.tr", "Fira Sans OT");
 pref("font.name.monospace.tr", "Fira Mono OT");
 pref("font.name.serif.x-baltic", "Charis SIL Compact");
 pref("font.name.sans-serif.x-baltic", "Fira Sans OT");
 pref("font.name.monospace.x-baltic", "Fira Mono OT");
 pref("font.name.serif.x-central-euro", "Charis SIL Compact");
 pref("font.name.sans-serif.x-central-euro", "Fira Sans OT");
 pref("font.name.monospace.x-central-euro", "Fira Mono OT");
 pref("font.name.serif.x-cyrillic", "Charis SIL Compact");
 pref("font.name.sans-serif.x-cyrillic", "Fira Sans OT");
 pref("font.name.monospace.x-cyrillic", "Fira Mono OT");
 pref("font.name.serif.x-unicode", "Charis SIL Compact");
 pref("font.name.sans-serif.x-unicode", "Fira Sans OT");
 pref("font.name.monospace.x-unicode", "Fira Mono OT");
 pref("font.name.serif.x-western", "Charis SIL Compact");
 pref("font.name.sans-serif.x-western", "Fira Sans OT");
 pref("font.name.monospace.x-western", "Fira Mono OT");
 pref("font.name.serif.zh-CN", "Charis SIL Compact");
 pref("font.name.sans-serif.zh-CN", "Fira Sans OT");
 pref("font.name.monospace.zh-CN", "Fira Mono OT");
 pref("font.name.serif.zh-HK", "Charis SIL Compact");
 pref("font.name.sans-serif.zh-HK", "Fira Sans OT");
 pref("font.name.monospace.zh-HK", "Fira Mono OT");
 pref("font.name.serif.zh-TW", "Charis SIL Compact");
 pref("font.name.sans-serif.zh-TW", "Fira Sans OT");
 pref("font.name.monospace.zh-TW", "Fira Mono OT");
 #else
 // not MOZ_WIDGET_GONK / FXOS_SIMULATOR
 // (i.e. this is Firefox for Android) - here, we use the bundled fonts
 // ar
 pref("font.name.serif.el", "Droid Serif"); // not Charis SIL Compact, only has a few Greek chars
 pref("font.name.sans-serif.el", "Clear Sans");
 pref("font.name.monospace.el", "Droid Sans Mono");
 pref("font.name-list.sans-serif.el", "Clear Sans, Roboto, Droid Sans");
 pref("font.name.serif.he", "Droid Serif");
 pref("font.name.sans-serif.he", "Clear Sans");
 pref("font.name.monospace.he", "Droid Sans Mono");
 pref("font.name-list.sans-serif.he", "Droid Sans Hebrew, Clear Sans, Droid Sans");
 pref("font.name.serif.ja", "Charis SIL Compact");
 pref("font.name.sans-serif.ja", "Clear Sans");
 pref("font.name.monospace.ja", "MotoyaLMaru");
 pref("font.name-list.serif.ja", "Droid Serif");
 pref("font.name-list.sans-serif.ja", "Clear Sans, Roboto, Droid Sans, MotoyaLMaru, MotoyaLCedar, Droid Sans Japanese");
 pref("font.name-list.monospace.ja", "MotoyaLMaru, MotoyaLCedar, Droid Sans Mono");
 pref("font.name.serif.ko", "Charis SIL Compact");
 pref("font.name.sans-serif.ko", "Clear Sans");
 pref("font.name.monospace.ko", "Droid Sans Mono");
 pref("font.name-list.serif.ko", "Droid Serif, HYSerif");
 pref("font.name-list.sans-serif.ko", "SmartGothic, NanumGothic, DroidSansFallback, Droid Sans Fallback");
 pref("font.name.serif.th", "Charis SIL Compact");
 pref("font.name.sans-serif.th", "Clear Sans");
 pref("font.name.monospace.th", "Droid Sans Mono");
 pref("font.name-list.serif.th", "Droid Serif");
 pref("font.name-list.sans-serif.th", "Droid Sans Thai, Clear Sans, Droid Sans");
 pref("font.name.serif.tr", "Charis SIL Compact");
 pref("font.name.sans-serif.tr", "Clear Sans");
 pref("font.name.monospace.tr", "Droid Sans Mono");
 pref("font.name-list.serif.tr", "Droid Serif");
 pref("font.name-list.sans-serif.tr", "Clear Sans, Roboto, Droid Sans");
 pref("font.name.serif.x-baltic", "Charis SIL Compact");
 pref("font.name.sans-serif.x-baltic", "Clear Sans");
 pref("font.name.monospace.x-baltic", "Droid Sans Mono");
 pref("font.name-list.serif.x-baltic", "Droid Serif");
 pref("font.name-list.sans-serif.x-baltic", "Clear Sans, Roboto, Droid Sans");
 pref("font.name.serif.x-central-euro", "Charis SIL Compact");
 pref("font.name.sans-serif.x-central-euro", "Clear Sans");
 pref("font.name.monospace.x-central-euro", "Droid Sans Mono");
 pref("font.name-list.serif.x-central-euro", "Droid Serif");
 pref("font.name-list.sans-serif.x-central-euro", "Clear Sans, Roboto, Droid Sans");
 pref("font.name.serif.x-cyrillic", "Charis SIL Compact");
 pref("font.name.sans-serif.x-cyrillic", "Clear Sans");
 pref("font.name.monospace.x-cyrillic", "Droid Sans Mono");
 pref("font.name-list.serif.x-cyrillic", "Droid Serif");
 pref("font.name-list.sans-serif.x-cyrillic", "Clear Sans, Roboto, Droid Sans");
 pref("font.name.serif.x-unicode", "Charis SIL Compact");
 pref("font.name.sans-serif.x-unicode", "Clear Sans");
 pref("font.name.monospace.x-unicode", "Droid Sans Mono");
 pref("font.name-list.serif.x-unicode", "Droid Serif");
 pref("font.name-list.sans-serif.x-unicode", "Clear Sans, Roboto, Droid Sans");
 pref("font.name.serif.x-western", "Charis SIL Compact");
 pref("font.name.sans-serif.x-western", "Clear Sans");
 pref("font.name.monospace.x-western", "Droid Sans Mono");
 pref("font.name-list.serif.x-western", "Droid Serif");
 pref("font.name-list.sans-serif.x-western", "Clear Sans, Roboto, Droid Sans");
 pref("font.name.serif.zh-CN", "Charis SIL Compact");
 pref("font.name.sans-serif.zh-CN", "Clear Sans");
 pref("font.name.monospace.zh-CN", "Droid Sans Mono");
 pref("font.name-list.serif.zh-CN", "Droid Serif, Droid Sans Fallback");
 pref("font.name-list.sans-serif.zh-CN", "Roboto, Droid Sans, Droid Sans Fallback");
 pref("font.name-list.monospace.zh-CN", "Droid Sans Fallback");
 pref("font.name.serif.zh-HK", "Charis SIL Compact");
 pref("font.name.sans-serif.zh-HK", "Clear Sans");
 pref("font.name.monospace.zh-HK", "Droid Sans Mono");
 pref("font.name-list.serif.zh-HK", "Droid Serif, Droid Sans Fallback");
 pref("font.name-list.sans-serif.zh-HK", "Roboto, Droid Sans, Droid Sans Fallback");
 pref("font.name-list.monospace.zh-HK", "Droid Sans Fallback");
 pref("font.name.serif.zh-TW", "Charis SIL Compact");
 pref("font.name.sans-serif.zh-TW", "Clear Sans");
 pref("font.name.monospace.zh-TW", "Droid Sans Mono");
 pref("font.name-list.serif.zh-TW", "Droid Serif, Droid Sans Fallback");
 pref("font.name-list.sans-serif.zh-TW", "Roboto, Droid Sans, Droid Sans Fallback");
 pref("font.name-list.monospace.zh-TW", "Droid Sans Fallback");
 // end ! (MOZ_WIDGET_GONK || FXOS_SIMULATOR)
 #endif
 pref("font.default.ar", "sans-serif");
 pref("font.size.variable.ar", 16);
 pref("font.size.fixed.ar", 12);
 pref("font.default.el", "sans-serif");
 pref("font.size.variable.el", 16);
 pref("font.size.fixed.el", 12);
 pref("font.default.he", "sans-serif");
 pref("font.size.variable.he", 16);
 pref("font.size.fixed.he", 12);
 pref("font.default.ja", "sans-serif");
 pref("font.size.variable.ja", 16);
 pref("font.size.fixed.ja", 16);
 pref("font.default.ko", "sans-serif");
 pref("font.size.variable.ko", 16);
 pref("font.size.fixed.ko", 16);
 pref("font.default.th", "serif");
 pref("font.size.variable.th", 16);
 pref("font.size.fixed.th", 13);
 pref("font.minimum-size.th", 13);
 pref("font.default.tr", "sans-serif");
 pref("font.size.variable.tr", 16);
 pref("font.size.fixed.tr", 12);
 pref("font.default.x-baltic", "sans-serif");
 pref("font.size.variable.x-baltic", 16);
 pref("font.size.fixed.x-baltic", 12);
 pref("font.default.x-central-euro", "sans-serif");
 pref("font.size.variable.x-central-euro", 16);
 pref("font.size.fixed.x-central-euro", 12);
 pref("font.default.x-cyrillic", "sans-serif");
 pref("font.size.variable.x-cyrillic", 16);
 pref("font.size.fixed.x-cyrillic", 12);
 pref("font.default.x-unicode", "sans-serif");
 pref("font.size.variable.x-unicode", 16);
 pref("font.size.fixed.x-unicode", 12);
 pref("font.default.x-western", "sans-serif");
 pref("font.size.variable.x-western", 16);
 pref("font.size.fixed.x-western", 12);
 pref("font.default.zh-CN", "sans-serif");
 pref("font.size.variable.zh-CN", 16);
 pref("font.size.fixed.zh-CN", 16);
 pref("font.default.zh-TW", "sans-serif");
 pref("font.size.variable.zh-TW", 16);
 pref("font.size.fixed.zh-TW", 16);
 pref("font.default.zh-HK", "sans-serif");
 pref("font.size.variable.zh-HK", 16);
 pref("font.size.fixed.zh-HK", 16);
 pref("font.default.x-devanagari", "serif");
 pref("font.size.variable.x-devanagari", 16);
 pref("font.size.fixed.x-devanagari", 13);
 pref("font.default.x-tamil", "serif");
 pref("font.size.variable.x-tamil", 16);
 pref("font.size.fixed.x-tamil", 13);
 pref("font.default.x-armn", "serif");
 pref("font.size.variable.x-armn", 16);
 pref("font.size.fixed.x-armn", 13);
 pref("font.default.x-beng", "serif");
 pref("font.size.variable.x-beng", 16);
 pref("font.size.fixed.x-beng", 13);
 pref("font.default.x-cans", "serif");
 pref("font.size.variable.x-cans", 16);
 pref("font.size.fixed.x-cans", 13);
 pref("font.default.x-ethi", "serif");
 pref("font.size.variable.x-ethi", 16);
 pref("font.size.fixed.x-ethi", 13);
 pref("font.default.x-geor", "serif");
 pref("font.size.variable.x-geor", 16);
 pref("font.size.fixed.x-geor", 13);
 pref("font.default.x-gujr", "serif");
 pref("font.size.variable.x-gujr", 16);
 pref("font.size.fixed.x-gujr", 13);
 pref("font.default.x-guru", "serif");
 pref("font.size.variable.x-guru", 16);
 pref("font.size.fixed.x-guru", 13);
 pref("font.default.x-khmr", "serif");
 pref("font.size.variable.x-khmr", 16);
 pref("font.size.fixed.x-khmr", 13);
 pref("font.default.x-mlym", "serif");
 pref("font.size.variable.x-mlym", 16);
 pref("font.size.fixed.x-mlym", 13);
 pref("font.default.x-orya", "serif");
 pref("font.size.variable.x-orya", 16);
 pref("font.size.fixed.x-orya", 13);
 pref("font.default.x-telu", "serif");
 pref("font.size.variable.x-telu", 16);
 pref("font.size.fixed.x-telu", 13);
 pref("font.default.x-knda", "serif");
 pref("font.size.variable.x-knda", 16);
 pref("font.size.fixed.x-knda", 13);
 pref("font.default.x-sinh", "serif");
 pref("font.size.variable.x-sinh", 16);
 pref("font.size.fixed.x-sinh", 13);
 pref("font.default.x-tibt", "serif");
 pref("font.size.variable.x-tibt", 16);
 pref("font.size.fixed.x-tibt", 13);
 # ANDROID || FXOS_SIMUALTOR
 #endif
 #ifdef ANDROID
 /* PostScript print module prefs */
 // pref("print.postscript.enabled",      true);
 pref("print.postscript.paper_size",    "letter");
 pref("print.postscript.orientation",   "portrait");
 pref("print.postscript.print_command", "lpr ${MOZ_PRINTER_NAME:+-P\"$MOZ_PRINTER_NAME\"}");
 // Setting default_level_parent to true makes the default level for popup
 // windows "top" instead of "parent".  On GTK2 platform, this is implemented
 // with override-redirect windows which is the normal way to implement
 // temporary popup windows.  Setting this to false would make the default
 // level "parent" which is implemented with managed windows.
 // A problem with using managed windows is that metacity sometimes deactivates
 // the parent window when the managed popup is shown.
 pref("ui.panel.default_level_parent", true);
 pref("mousewheel.system_scroll_override_on_root_content.enabled", false);
 # ANDROID
 #endif
 #ifndef ANDROID
 #ifndef XP_MACOSX
 #ifdef XP_UNIX
 // Handled differently under Mac/Windows
 pref("network.protocol-handler.warn-external.file", false);
 pref("browser.drag_out_of_frame_style", 1);
 // Middle-mouse handling
 pref("middlemouse.paste", true);
 pref("middlemouse.contentLoadURL", true);
 pref("middlemouse.openNewWindow", true);
 pref("middlemouse.scrollbarPosition", true);
 // Clipboard behavior
 pref("clipboard.autocopy", true);
 pref("browser.urlbar.clickSelectsAll", false);
 // Tab focus model bit field:
 // 1 focuses text controls, 2 focuses other form elements, 4 adds links.
 // Leave this at the default, 7, to match mozilla1.0-era user expectations.
 // pref("accessibility.tabfocus", 1);
 // autocomplete keyboard grab workaround
 pref("autocomplete.grab_during_popup", true);
 pref("autocomplete.ungrab_during_mode_switch", true);
 // Default to using the system filepicker if possible, but allow
 // toggling to use the XUL filepicker
 pref("ui.allow_platform_file_picker", true);
 pref("helpers.global_mime_types_file", "/etc/mime.types");
 pref("helpers.global_mailcap_file", "/etc/mailcap");
 pref("helpers.private_mime_types_file", "~/.mime.types");
 pref("helpers.private_mailcap_file", "~/.mailcap");
 pref("print.print_command", "lpr ${MOZ_PRINTER_NAME:+-P\"$MOZ_PRINTER_NAME\"}");
 pref("print.printer_list", ""); // list of printers, separated by spaces
 pref("print.print_reversed", false);
 pref("print.print_color", true);
 pref("print.print_landscape", false);
 pref("print.print_paper_size", 0);
 // print_extra_margin enables platforms to specify an extra gap or margin
 // around the content of the page for Print Preview only
 pref("print.print_extra_margin", 0); // twips
 // font names
 pref("font.alias-list", "sans,sans-serif,serif,monospace");
 // ar
 pref("font.name.serif.el", "serif");
 pref("font.name.sans-serif.el", "sans-serif");
 pref("font.name.monospace.el", "monospace");
 pref("font.name.serif.he", "serif");
 pref("font.name.sans-serif.he", "sans-serif");
 pref("font.name.monospace.he", "monospace");
 pref("font.name.serif.ja", "serif");
 pref("font.name.sans-serif.ja", "sans-serif");
 pref("font.name.monospace.ja", "monospace");
 pref("font.name.serif.ko", "serif");
 pref("font.name.sans-serif.ko", "sans-serif");
 pref("font.name.monospace.ko", "monospace");
 pref("font.name.serif.th", "serif");
 pref("font.name.sans-serif.th", "sans-serif");
 pref("font.name.monospace.th", "monospace");
 pref("font.name.serif.tr", "serif");
 pref("font.name.sans-serif.tr", "sans-serif");
 pref("font.name.monospace.tr", "monospace");
 pref("font.name.serif.x-baltic", "serif");
 pref("font.name.sans-serif.x-baltic", "sans-serif");
 pref("font.name.monospace.x-baltic", "monospace");
 pref("font.name.serif.x-central-euro", "serif");
 pref("font.name.sans-serif.x-central-euro", "sans-serif");
 pref("font.name.monospace.x-central-euro", "monospace");
 pref("font.name.serif.x-cyrillic", "serif");
 pref("font.name.sans-serif.x-cyrillic", "sans-serif");
 pref("font.name.monospace.x-cyrillic", "monospace");
 pref("font.name.serif.x-unicode", "serif");
 pref("font.name.sans-serif.x-unicode", "sans-serif");
 pref("font.name.monospace.x-unicode", "monospace");
 pref("font.name.serif.x-western", "serif");
 pref("font.name.sans-serif.x-western", "sans-serif");
 pref("font.name.monospace.x-western", "monospace");
 pref("font.name.serif.zh-CN", "serif");
 pref("font.name.sans-serif.zh-CN", "sans-serif");
 pref("font.name.monospace.zh-CN", "monospace");
 // ming_uni.ttf (HKSCS-2001)
 // http://www.info.gov.hk/digital21/eng/hkscs/download/uime.exe
 pref("font.name.serif.zh-HK", "serif");
 pref("font.name.sans-serif.zh-HK", "sans-serif");
 pref("font.name.monospace.zh-HK", "monospace");
 // zh-TW
 pref("font.default.ar", "sans-serif");
 pref("font.size.variable.ar", 16);
 pref("font.size.fixed.ar", 12);
 pref("font.default.el", "serif");
 pref("font.size.variable.el", 16);
 pref("font.size.fixed.el", 12);
 pref("font.default.he", "sans-serif");
 pref("font.size.variable.he", 16);
 pref("font.size.fixed.he", 12);
 pref("font.default.ja", "sans-serif");
 pref("font.size.variable.ja", 16);
 pref("font.size.fixed.ja", 16);
 pref("font.default.ko", "sans-serif");
 pref("font.size.variable.ko", 16);
 pref("font.size.fixed.ko", 16);
 pref("font.default.th", "serif");
 pref("font.size.variable.th", 16);
 pref("font.size.fixed.th", 13);
 pref("font.minimum-size.th", 13);
 pref("font.default.tr", "serif");
 pref("font.size.variable.tr", 16);
 pref("font.size.fixed.tr", 12);
 pref("font.default.x-baltic", "serif");
 pref("font.size.variable.x-baltic", 16);
 pref("font.size.fixed.x-baltic", 12);
 pref("font.default.x-central-euro", "serif");
 pref("font.size.variable.x-central-euro", 16);
 pref("font.size.fixed.x-central-euro", 12);
 pref("font.default.x-cyrillic", "serif");
 pref("font.size.variable.x-cyrillic", 16);
 pref("font.size.fixed.x-cyrillic", 12);
 pref("font.default.x-unicode", "serif");
 pref("font.size.variable.x-unicode", 16);
 pref("font.size.fixed.x-unicode", 12);
 pref("font.default.x-western", "serif");
 pref("font.size.variable.x-western", 16);
 pref("font.size.fixed.x-western", 12);
 pref("font.default.zh-CN", "sans-serif");
 pref("font.size.variable.zh-CN", 16);
 pref("font.size.fixed.zh-CN", 16);
 pref("font.default.zh-TW", "sans-serif");
 pref("font.size.variable.zh-TW", 16);
 pref("font.size.fixed.zh-TW", 16);
 pref("font.default.zh-HK", "sans-serif");
 pref("font.size.variable.zh-HK", 16);
 pref("font.size.fixed.zh-HK", 16);
 pref("font.default.x-devanagari", "serif");
 pref("font.size.variable.x-devanagari", 16);
 pref("font.size.fixed.x-devanagari", 13);
 pref("font.default.x-tamil", "serif");
 pref("font.size.variable.x-tamil", 16);
 pref("font.size.fixed.x-tamil", 13);
 pref("font.default.x-armn", "serif");
 pref("font.size.variable.x-armn", 16);
 pref("font.size.fixed.x-armn", 13);
 pref("font.default.x-beng", "serif");
 pref("font.size.variable.x-beng", 16);
 pref("font.size.fixed.x-beng", 13);
 pref("font.default.x-cans", "serif");
 pref("font.size.variable.x-cans", 16);
 pref("font.size.fixed.x-cans", 13);
 pref("font.default.x-ethi", "serif");
 pref("font.size.variable.x-ethi", 16);
 pref("font.size.fixed.x-ethi", 13);
 pref("font.default.x-geor", "serif");
 pref("font.size.variable.x-geor", 16);
 pref("font.size.fixed.x-geor", 13);
 pref("font.default.x-gujr", "serif");
 pref("font.size.variable.x-gujr", 16);
 pref("font.size.fixed.x-gujr", 13);
 pref("font.default.x-guru", "serif");
 pref("font.size.variable.x-guru", 16);
 pref("font.size.fixed.x-guru", 13);
 pref("font.default.x-khmr", "serif");
 pref("font.size.variable.x-khmr", 16);
 pref("font.size.fixed.x-khmr", 13);
 pref("font.default.x-mlym", "serif");
 pref("font.size.variable.x-mlym", 16);
 pref("font.size.fixed.x-mlym", 13);
 pref("font.default.x-orya", "serif");
 pref("font.size.variable.x-orya", 16);
 pref("font.size.fixed.x-orya", 13);
 pref("font.default.x-telu", "serif");
 pref("font.size.variable.x-telu", 16);
 pref("font.size.fixed.x-telu", 13);
 pref("font.default.x-knda", "serif");
 pref("font.size.variable.x-knda", 16);
 pref("font.size.fixed.x-knda", 13);
 pref("font.default.x-sinh", "serif");
 pref("font.size.variable.x-sinh", 16);
 pref("font.size.fixed.x-sinh", 13);
 pref("font.default.x-tibt", "serif");
 pref("font.size.variable.x-tibt", 16);
 pref("font.size.fixed.x-tibt", 13);
 /* PostScript print module prefs */
 // pref("print.postscript.enabled",      true);
 pref("print.postscript.paper_size",    "letter");
 pref("print.postscript.orientation",   "portrait");
 pref("print.postscript.print_command", "lpr ${MOZ_PRINTER_NAME:+-P\"$MOZ_PRINTER_NAME\"}");
 // On GTK2 platform, we should use topmost window level for the default window
 // level of <panel> element of XUL. GTK2 has only two window types. One is
 // normal top level window, other is popup window. The popup window is always
 // topmost window level, therefore, we are using normal top level window for
 // non-topmost panel, but it is pretty hacky. On some Window Managers, we have
 // 2 problems:
 // 1. The non-topmost panel steals focus from its parent window at showing.
 // 2. The parent of non-topmost panel is not activated when the panel is hidden.
 // So, we have no reasons we should use non-toplevel window for popup.
 pref("ui.panel.default_level_parent", true);
 pref("mousewheel.system_scroll_override_on_root_content.enabled", false);
 #if MOZ_WIDGET_GTK == 2
 pref("intl.ime.use_simple_context_on_password_field", true);
 #else
 pref("intl.ime.use_simple_context_on_password_field", false);
 #endif
 # XP_UNIX
 #endif
 #endif
 #endif
 #if OS_ARCH==AIX
 // Override default Japanese fonts
 pref("font.name.serif.ja", "dt-interface system-jisx0208.1983-0");
 pref("font.name.sans-serif.ja", "dt-interface system-jisx0208.1983-0");
 pref("font.name.monospace.ja", "dt-interface user-jisx0208.1983-0");
 // Override default Cyrillic fonts
 pref("font.name.serif.x-cyrillic", "dt-interface system-iso8859-5");
 pref("font.name.sans-serif.x-cyrillic", "dt-interface system-iso8859-5");
 pref("font.name.monospace.x-cyrillic", "dt-interface user-iso8859-5");
 // Override default Unicode fonts
 pref("font.name.serif.x-unicode", "dt-interface system-ucs2.cjk_japan-0");
 pref("font.name.sans-serif.x-unicode", "dt-interface system-ucs2.cjk_japan-0");
 pref("font.name.monospace.x-unicode", "dt-interface user-ucs2.cjk_japan-0");
 # AIX
 #endif
 #ifdef SOLARIS
 pref("print.postscript.print_command", "lp -c -s ${MOZ_PRINTER_NAME:+-d\"$MOZ_PRINTER_NAME\"}");
 pref("print.print_command", "lp -c -s ${MOZ_PRINTER_NAME:+-d\"$MOZ_PRINTER_NAME\"}");
 # Solaris
 #endif
 // Login Manager prefs
 pref("signon.rememberSignons",              true);
 pref("signon.autofillForms",                true);
 pref("signon.autologin.proxy",              false);
 pref("signon.storeWhenAutocompleteOff",     true);
 pref("signon.debug",                        false);
 // Satchel (Form Manager) prefs
 pref("browser.formfill.debug",            false);
 pref("browser.formfill.enable",           true);
 pref("browser.formfill.expire_days",      180);
 pref("browser.formfill.saveHttpsForms",   true);
 pref("browser.formfill.agedWeight",       2);
 pref("browser.formfill.bucketSize",       1);
 pref("browser.formfill.maxTimeGroupings", 25);
 pref("browser.formfill.timeGroupingSize", 604800);
 pref("browser.formfill.boundaryWeight",   25);
 pref("browser.formfill.prefixWeight",     5);
 // Zoom prefs
 pref("browser.zoom.full", false);
 pref("zoom.minPercent", 30);
 pref("zoom.maxPercent", 300);
 pref("toolkit.zoomManager.zoomValues", ".3,.5,.67,.8,.9,1,1.1,1.2,1.33,1.5,1.7,2,2.4,3");
 /**
  * Specify whether or not the browser should generate a reflow event on zoom.
  * For a pan-and-zoom ui on mobile, it is sometimes desirable for a zoom event
  * to limit the max line box width of text in order to enable easier reading
  * of large amounts of text.
  *
  * If enabled, this will limit the max line box width of all text on a page to
  * the viewport width (also generating a reflow), after a zoom event occurs.
  *
  * By default, this is not enabled.
  */
 pref("browser.zoom.reflowOnZoom", false);
 /**
  * Specifies the number of milliseconds to wait after a given reflow-on-zoom
  * operation has completed before allowing another one to be triggered. This
  * is to prevent a buildup of reflow-zoom events.
  */
 pref("browser.zoom.reflowZoom.reflowTimeout", 500);
 /**
  * Controls whether or not the reflow-on-zoom behavior happens on page load.
  * This can be enabled in conjunction with the above preference (reflowOnZoom),
  * but has no effect if browser.zoom.reflowOnZoom is disabled.
  *
  * Note that this should be turned off only in cases where debugging of the
  * reflow-on-zoom feature is necessary, and enabling the feature during
  * a page load inhbits this debugging.
  */
 pref("browser.zoom.reflowZoom.reflowTextOnPageLoad", true);
 // Image-related prefs
 // The maximum size, in bytes, of the decoded images we cache
 pref("image.cache.size", 5242880);
 // A weight, from 0-1000, to place on time when comparing to size.
 // Size is given a weight of 1000 - timeweight.
 pref("image.cache.timeweight", 500);
 // The default Accept header sent for images loaded over HTTP(S)
 pref("image.http.accept", "image/png,image/*;q=0.8,*/*;q=0.5");
 // Whether we do high-quality image downscaling. OS X natively supports
 // high-quality image scaling.
 #ifdef XP_MACOSX
 pref("image.high_quality_downscaling.enabled", false);
 #else
 pref("image.high_quality_downscaling.enabled", true);
 #endif
 // The minimum percent downscaling we'll use high-quality downscaling on,
 // interpreted as a floating-point number / 1000.
 pref("image.high_quality_downscaling.min_factor", 1000);
 // The maximum memory size which we'll use high-quality uspcaling on,
 // interpreted as number of decoded bytes.
 pref("image.high_quality_upscaling.max_size", 20971520);
 //
 // Image memory management prefs
 //
 // Discards inactive image frames and re-decodes them on demand from
 // compressed data.
 pref("image.mem.discardable", true);
 // Prevents images from automatically being decoded on load, instead allowing
 // them to be decoded on demand when they are drawn.
 pref("image.mem.decodeondraw", true);
 // Allows image locking of decoded image data in content processes.
 pref("image.mem.allow_locking_in_content_processes", true);
 // Minimum timeout for image discarding (in milliseconds). The actual time in
 // which an image must inactive for it to be discarded will vary between this
 // value and twice this value.
 //
 // This used to be 120 seconds, but having it that high causes our working
 // set to grow very large. Switching it back to 10 seconds will hopefully
 // be better.
 pref("image.mem.min_discard_timeout_ms", 10000);
 // Chunk size for calls to the image decoders
 pref("image.mem.decode_bytes_at_a_time", 16384);
 // The longest time we can spend in an iteration of an async decode
 pref("image.mem.max_ms_before_yield", 5);
 // The maximum amount of decoded image data we'll willingly keep around (we
 // might keep around more than this, but we'll try to get down to this value).
 pref("image.mem.max_decoded_image_kb", 51200);
 // Hard limit for the amount of decoded image data, 0 means we don't have the
 // hard limit for it.
 pref("image.mem.hard_limit_decoded_image_kb", 0);
 // Minimum timeout for expiring unused images from the surface cache, in
 // milliseconds. This controls how long we store cached temporary surfaces.
 pref("image.mem.surfacecache.min_expiration_ms", 60000); // 60ms
 // Maximum size for the surface cache, in kilobytes.
 pref("image.mem.surfacecache.max_size_kb", 102400); // 100MB
 // The surface cache's size, within the constraints of the maximum size set
 // above, is determined using a formula based on system capabilities like memory
 // size. The size factor is used to tune this formula. Larger size factors
 // result in smaller caches. The default should be a good balance for most
 // systems.
 pref("image.mem.surfacecache.size_factor", 64);
 // Whether we decode images on multiple background threads rather than the
 // foreground thread.
 pref("image.multithreaded_decoding.enabled", true);
 // How many threads we'll use for multithreaded decoding. If < 0, will be
 // automatically determined based on the system's number of cores.
 pref("image.multithreaded_decoding.limit", -1);
 // Limit for the canvas image cache. 0 means we don't limit the size of the
 // cache.
 pref("canvas.image.cache.limit", 0);
 // How many images to eagerly decode on a given page. 0 means "no limit".
 pref("image.onload.decode.limit", 0);
 // WebGL prefs
 pref("gl.msaa-level", 2);
 pref("webgl.force-enabled", false);
 pref("webgl.disabled", false);
 pref("webgl.shader_validator", true);
 pref("webgl.prefer-native-gl", false);
 pref("webgl.min_capability_mode", false);
 pref("webgl.disable-extensions", false);
 pref("webgl.msaa-force", false);
 pref("webgl.prefer-16bpp", false);
 pref("webgl.default-no-alpha", false);
 pref("webgl.force-layers-readback", false);
 pref("webgl.lose-context-on-heap-minimize", false);
 pref("webgl.can-lose-context-in-foreground", true);
 pref("webgl.max-warnings-per-context", 32);
 pref("webgl.enable-draft-extensions", false);
 pref("webgl.enable-privileged-extensions", false);
 #ifdef MOZ_WIDGET_GONK
 pref("gfx.gralloc.fence-with-readpixels", false);
 #endif
 // Stagefright prefs
 pref("stagefright.force-enabled", false);
 pref("stagefright.disabled", false);
 #ifdef XP_WIN
 // The default TCP send window on Windows is too small, and autotuning only occurs on receive
 pref("network.tcp.sendbuffer", 131072);
 #endif
 // TCP Keepalive
 pref("network.tcp.keepalive.enabled", true);
 // Default idle time before first TCP keepalive probe; same time for interval
 // between successful probes. Can be overridden in socket transport API.
 // Win, Linux and Mac.
 pref("network.tcp.keepalive.idle_time", 600); // seconds; 10 mins
 // Default timeout for retransmission of unack'd keepalive probes.
 // Win and Linux only; not configurable on Mac.
 #if defined(XP_UNIX) && !defined(XP_MACOSX) || defined(XP_WIN)
 pref("network.tcp.keepalive.retry_interval", 1); // seconds
 #endif
 // Default maximum probe retransmissions.
 // Linux only; not configurable on Win and Mac; fixed at 10 and 8 respectively.
 #ifdef XP_UNIX && !defined(XP_MACOSX)
 pref("network.tcp.keepalive.probe_count", 4);
 #endif
 // Whether to disable acceleration for all widgets.
 pref("layers.acceleration.disabled", false);
 // Whether to force acceleration on, ignoring blacklists.
 #ifdef ANDROID
 // bug 838603 -- on Android, accidentally blacklisting OpenGL layers
 // means a startup crash for everyone.
 pref("layers.acceleration.force-enabled", true);
 #else
 pref("layers.acceleration.force-enabled", false);
 #endif
 pref("layers.acceleration.draw-fps", false);
 pref("layers.dump", false);
 pref("layers.draw-borders", false);
 pref("layers.draw-tile-borders", false);
 pref("layers.draw-bigimage-borders", false);
 pref("layers.frame-counter", false);
 pref("layers.enable-tiles", false);
 // Max number of layers per container. See Overwrite in mobile prefs.
 pref("layers.max-active", -1);
 // When a layer is moving it will add a scroll graph to measure the smoothness
 // of the movement. NOTE: This pref triggers composites to refresh
 // the graph.
 pref("layers.scroll-graph", false);
 // Set the default values, and then override per-platform as needed
 pref("layers.offmainthreadcomposition.enabled", false);
 // Compositor target frame rate. NOTE: If vsync is enabled the compositor
 // frame rate will still be capped.
 // -1 -> default (match layout.frame_rate or 60 FPS)
 // 0  -> full-tilt mode: Recomposite even if not transaction occured.
 pref("layers.offmainthreadcomposition.frame-rate", -1);
 #ifndef XP_WIN
 // Asynchonous video compositing using the ImageBridge IPDL protocol.
 // requires off-main-thread compositing.
 // Never works on Windows, so no point pref'ing it on.
 pref("layers.async-video.enabled",false);
 #endif
 #ifdef MOZ_X11
 // OMTC off by default on Linux, but if activated, use new textures and async-video.
 pref("layers.async-video.enabled", true);
 #endif
 #ifdef MOZ_WIDGET_QT
 pref("layers.offmainthreadcomposition.enabled", true);
 pref("layers.async-video.enabled",true);
 #endif
 #ifdef XP_MACOSX
 pref("layers.offmainthreadcomposition.enabled", true);
 pref("layers.async-video.enabled",true);
 #endif
 // ANDROID covers android and b2g
 #ifdef ANDROID
 pref("layers.offmainthreadcomposition.enabled", true);
 pref("layers.async-video.enabled",true);
 #endif
 // same effect as layers.offmainthreadcomposition.enabled, but specifically for
 // use with tests.
 pref("layers.offmainthreadcomposition.testing.enabled", false);
 // whether to allow use of the basic compositor
 pref("layers.offmainthreadcomposition.force-basic", false);
 // Whether to animate simple opacity and transforms on the compositor
 pref("layers.offmainthreadcomposition.async-animations", false);
 // Whether to log information about off main thread animations to stderr
 pref("layers.offmainthreadcomposition.log-animations", false);
 pref("layers.bufferrotation.enabled", true);
 pref("layers.componentalpha.enabled", true);
 #ifdef ANDROID
 pref("gfx.apitrace.enabled",false);
 #endif
 #ifdef MOZ_X11
 #ifdef MOZ_WIDGET_GTK
 pref("gfx.xrender.enabled",true);
 #endif
 #endif
 #ifdef XP_WIN
 // Whether to disable the automatic detection and use of direct2d.
 pref("gfx.direct2d.disabled", false);
 // Whether to attempt to enable Direct2D regardless of automatic detection or
 // blacklisting
 pref("gfx.direct2d.force-enabled", false);
 pref("layers.prefer-opengl", false);
 pref("layers.prefer-d3d9", false);
 #endif
 // Force all possible layers to be always active layers
 pref("layers.force-active", false);
 // Enable/Disable the geolocation API for content
 pref("geo.enabled", true);
 // Enable/Disable the orientation API for content
 pref("device.sensors.enabled", true);
 // Enable/Disable the device storage API for content
 pref("device.storage.enabled", false);
 // Toggle which thread the HTML5 parser uses for stream parsing
 pref("html5.offmainthread", true);
 // Time in milliseconds between the time a network buffer is seen and the
 // timer firing when the timer hasn't fired previously in this parse in the
 // off-the-main-thread HTML5 parser.
 pref("html5.flushtimer.initialdelay", 120);
 // Time in milliseconds between the time a network buffer is seen and the
 // timer firing when the timer has already fired previously in this parse.
 pref("html5.flushtimer.subsequentdelay", 120);
 // Push/Pop/Replace State prefs
 pref("browser.history.allowPushState", true);
 pref("browser.history.allowReplaceState", true);
 pref("browser.history.allowPopState", true);
 pref("browser.history.maxStateObjectSize", 655360);
 // XPInstall prefs
 pref("xpinstall.whitelist.required", true);
 pref("extensions.alwaysUnpack", false);
 pref("extensions.minCompatiblePlatformVersion", "2.0");
 pref("network.buffer.cache.count", 24);
 pref("network.buffer.cache.size",  32768);
 // Desktop Notification
 pref("notification.feature.enabled", false);
 // Web Notification
 pref("dom.webnotifications.enabled", true);
 // Alert animation effect, name is disableSlidingEffect for backwards-compat.
 pref("alerts.disableSlidingEffect", false);
 // DOM full-screen API.
 pref("full-screen-api.enabled", false);
 pref("full-screen-api.allow-trusted-requests-only", true);
 pref("full-screen-api.content-only", false);
 pref("full-screen-api.pointer-lock.enabled", true);
 // DOM idle observers API
 pref("dom.idle-observers-api.enabled", true);
 // Time limit, in milliseconds, for EventStateManager::IsHandlingUserInput().
 // Used to detect long running handlers of user-generated events.
 pref("dom.event.handling-user-input-time-limit", 1000);
 // Whether we should layerize all animated images (if otherwise possible).
 pref("layout.animated-image-layers.enabled", false);
 pref("dom.vibrator.enabled", true);
 pref("dom.vibrator.max_vibrate_ms", 10000);
 pref("dom.vibrator.max_vibrate_list_len", 128);
 // Battery API
 pref("dom.battery.enabled", true);
 // WebSMS
 pref("dom.sms.enabled", false);
 // Enable Latin characters replacement with corresponding ones in GSM SMS
 // 7-bit default alphabet.
 pref("dom.sms.strict7BitEncoding", false);
 pref("dom.sms.requestStatusReport", true);
 // Numeric default service id for SMS API calls with |serviceId| parameter
 // omitted.
 pref("dom.sms.defaultServiceId", 0);
 // WebContacts
 pref("dom.mozContacts.enabled", false);
 pref("dom.navigator-property.disable.mozContacts", true);
 pref("dom.global-constructor.disable.mozContact", true);
 // WebAlarms
 pref("dom.mozAlarms.enabled", false);
 // SimplePush
 pref("services.push.enabled", false);
 // WebNetworkStats
 pref("dom.mozNetworkStats.enabled", false);
 // WebSettings
 pref("dom.mozSettings.enabled", false);
 pref("dom.mozPermissionSettings.enabled", false);
 // W3C touch events
 // 0 - disabled, 1 - enabled, 2 - autodetect (win)
 #ifdef XP_WIN
 pref("dom.w3c_touch_events.enabled", 2);
 #endif
 // W3C draft pointer events
 pref("dom.w3c_pointer_events.enabled", false);
 // W3C touch-action css property (related to touch and pointer events)
 pref("layout.css.touch_action.enabled", false);
 // enable JS dump() function.
 pref("browser.dom.window.dump.enabled", false);
 // SPS Profiler
 pref("profiler.enabled", false);
 pref("profiler.interval", 10);
 pref("profiler.entries", 100000);
 #if defined(MOZ_WIDGET_GONK) || defined(MOZ_WIDGET_ANDROID)
 // Network Information API
 pref("dom.netinfo.enabled", true);
 #else
 pref("dom.netinfo.enabled", false);
 #endif
 #ifdef XP_WIN
 // On 32-bit Windows, fire a low-memory notification if we have less than this
 // many mb of virtual address space available.
 pref("memory.low_virtual_memory_threshold_mb", 128);
 // On Windows 32- or 64-bit, fire a low-memory notification if we have less
 // than this many mb of commit space (physical memory plus page file) left.
 pref("memory.low_commit_space_threshold_mb", 128);
 // On Windows 32- or 64-bit, fire a low-memory notification if we have less
 // than this many mb of physical memory available on the whole machine.
 pref("memory.low_physical_memory_threshold_mb", 0);
 // On Windows 32- or 64-bit, don't fire a low-memory notification because of
 // low available physical memory or low commit space more than once every
 // low_memory_notification_interval_ms.
 pref("memory.low_memory_notification_interval_ms", 10000);
 #endif
 // How long must we wait before declaring that a window is a "ghost" (i.e., a
 // likely leak)?  This should be longer than it usually takes for an eligible
 // window to be collected via the GC/CC.
 pref("memory.ghost_window_timeout_seconds", 60);
 // Disable freeing dirty pages when minimizing memory.
 pref("memory.free_dirty_pages", false);
 // Disable the Linux-specific, system-wide memory reporter.
 #ifdef XP_LINUX
 pref("memory.system_memory_reporter", false);
 #endif
 // Don't dump memory reports on OOM, by default.
 pref("memory.dump_reports_on_oom", false);
 // Number of stack frames to capture in createObjectURL for about:memory.
 pref("memory.blob_report.stack_frames", 0);
 // comma separated list of domain origins (e.g. https://domain.com) for
 // providers that can install from their own website without user warnings.
 // entries are
 pref("social.whitelist", "https://mozsocial.cliqz.com,https://now.msn.com,https://mixi.jp");
 // comma separated list of domain origins (e.g. https://domain.com) for
 // directory websites (e.g. AMO) that can install providers for other sites
 pref("social.directories", "https://activations.cdn.mozilla.net");
 // remote-install allows any website to activate a provider, with extended UI
 // notifying user of installation. we can later pref off remote install if
 // necessary. This does not affect whitelisted and directory installs.
 pref("social.remote-install.enabled", true);
 pref("social.toast-notifications.enabled", true);
 // Disable idle observer fuzz, because only privileged content can access idle
 // observers (bug 780507).
 pref("dom.idle-observers-api.fuzz_time.disabled", true);
 // Lowest localId for apps.
 pref("dom.mozApps.maxLocalId", 1000);
 // XXX Security: You CANNOT safely add a new app store for
 // installing privileged apps just by modifying this pref and
 // adding the signing cert for that store to the cert trust
 // database. *Any* origin listed can install apps signed with
 // *any* certificate trusted; we don't try to maintain a strong
 // association between certificate with installOrign. The
 // expectation here is that in production builds the pref will
 // contain exactly one origin. However, in custom development
 // builds it may contain more than one origin so we can test
 // different stages (dev, staging, prod) of the same app store.
 pref("dom.mozApps.signed_apps_installable_from", "https://marketplace.firefox.com");
 // Minimum delay in milliseconds between network activity notifications (0 means
 // no notifications). The delay is the same for both download and upload, though
 // they are handled separately. This pref is only read once at startup:
 // a restart is required to enable a new value.
 pref("network.activity.blipIntervalMilliseconds", 0);
 // If true, reuse the same global for everything loaded by the component loader
 // (JS components, JSMs, etc).  This saves memory, but makes it possible for
 // the scripts to interfere with each other.  A restart is required for this
 // to take effect.
 pref("jsloader.reuseGlobal", false);
 // When we're asked to take a screenshot, don't wait more than 2000ms for the
 // event loop to become idle before actually taking the screenshot.
 pref("dom.browserElement.maxScreenshotDelayMS", 2000);
 // Whether we should show the placeholder when the element is focused but empty.
 pref("dom.placeholder.show_on_focus", true);
 // MMS UA Profile settings
 pref("wap.UAProf.url", "");
 pref("wap.UAProf.tagname", "x-wap-profile");
 // MMS version 1.1 = 0x11 (or decimal 17)
 // MMS version 1.3 = 0x13 (or decimal 19)
 // @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.34
 pref("dom.mms.version", 19);
 pref("dom.mms.requestStatusReport", true);
 // Retrieval mode for MMS
 // manual: Manual retrieval mode.
 // automatic: Automatic retrieval mode even in roaming.
 // automatic-home: Automatic retrieval mode in home network.
 // never: Never retrieval mode.
 pref("dom.mms.retrieval_mode", "manual");
 pref("dom.mms.sendRetryCount", 3);
 pref("dom.mms.sendRetryInterval", 300000);
 pref("dom.mms.retrievalRetryCount", 4);
 pref("dom.mms.retrievalRetryIntervals", "60000,300000,600000,1800000");
 // Numeric default service id for MMS API calls with |serviceId| parameter
 // omitted.
 pref("dom.mms.defaultServiceId", 0);
 // Debug enabler for MMS.
 pref("mms.debugging.enabled", false);
 // Request read report while sending MMS.
 pref("dom.mms.requestReadReport", true);
 // Number of RadioInterface instances to create.
 pref("ril.numRadioInterfaces", 0);
 // If the user puts a finger down on an element and we think the user
 // might be executing a pan gesture, how long do we wait before
 // tentatively deciding the gesture is actually a tap and activating
 // the target element?
 pref("ui.touch_activation.delay_ms", 100);
 // If the user has clicked an element, how long do we keep the
 // :active state before it is cleared by the mouse sequences
 // fired after a touchstart/touchend.
 pref("ui.touch_activation.duration_ms", 10);
 // nsMemoryInfoDumper can watch a fifo in the temp directory and take various
 // actions when the fifo is written to.  Disable this in general.
 pref("memory_info_dumper.watch_fifo.enabled", false);
 #ifdef MOZ_CAPTIVEDETECT
 pref("captivedetect.maxWaitingTime", 5000);
 pref("captivedetect.pollingTime", 3000);
 pref("captivedetect.maxRetryCount", 5);
 #endif
 #ifdef RELEASE_BUILD
 pref("dom.forms.inputmode", false);
 #else
 pref("dom.forms.inputmode", true);
 #endif
 // InputMethods for soft keyboards in B2G
 pref("dom.mozInputMethod.enabled", false);
 // DataStore is disabled by default
 pref("dom.datastore.enabled", false);
 // Telephony API
 #ifdef MOZ_B2G_RIL
 pref("dom.telephony.enabled", true);
 #else
 pref("dom.telephony.enabled", false);
 #endif
 // Numeric default service id for WebTelephony API calls with |serviceId|
 // parameter omitted.
 pref("dom.telephony.defaultServiceId", 0);
 // Cell Broadcast API
 #ifdef MOZ_B2G_RIL
 pref("dom.cellbroadcast.enabled", true);
 #else
 pref("dom.cellbroadcast.enabled", false);
 #endif
 // ICC API
 #ifdef MOZ_B2G_RIL
 pref("dom.icc.enabled", true);
 #else
 pref("dom.icc.enabled", false);
 #endif
 // Mobile Connection API
 #ifdef MOZ_B2G_RIL
 pref("dom.mobileconnection.enabled", true);
 #else
 pref("dom.mobileconnection.enabled", false);
 #endif
 // Voice Mail API
 #ifdef MOZ_B2G_RIL
 pref("dom.voicemail.enabled", true);
 #else
 pref("dom.voicemail.enabled", false);
 #endif
 // Numeric default service id for Voice Mail API calls with |serviceId|
 // parameter omitted.
 pref("dom.voicemail.defaultServiceId", 0);
 // DOM Inter-App Communication API.
 pref("dom.inter-app-communication-api.enabled", false);
 // The tables used for Safebrowsing phishing and malware checks.
 pref("urlclassifier.malware_table", "goog-malware-shavar,test-malware-simple");
 pref("urlclassifier.phish_table", "goog-phish-shavar,test-phish-simple");
 pref("urlclassifier.downloadBlockTable", "");
 pref("urlclassifier.downloadAllowTable", "");
 pref("urlclassifier.disallow_completions", "test-malware-simple,test-phish-simple,goog-downloadwhite-digest256");
 // Turn off Spatial navigation by default.
 pref("snav.enabled", false);
 // Wakelock is disabled by default.
 pref("dom.wakelock.enabled", false);
 // The URL of the Firefox Accounts auth server backend
 pref("identity.fxaccounts.auth.uri", "https://api.accounts.firefox.com/v1");
 // disable mozsample size for now
 pref("image.mozsamplesize.enabled", false);
 // Enable navigator.sendBeacon on all platforms except b2g because it doesn't
 // play nicely with Firefox OS apps yet.
 #ifndef MOZ_WIDGET_GONK
 pref("beacon.enabled", true);
 #endif
 // Camera prefs
 pref("camera.control.autofocus_moving_callback.enabled", false);
 pref("camera.control.face_detection.enabled", false);