The Tor Browser / file revision

 /* -*- 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);