diff -r 000000000000 -r 6474c204b198 dom/locales/en-US/chrome/mathml/mathml.properties
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/locales/en-US/chrome/mathml/mathml.properties	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,17 @@
+# 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/.
+
+InvalidChild=Invalid markup: <%1$S> is not allowed as a child of <%2$S>.
+ChildCountIncorrect=Invalid markup: Incorrect number of children for <%1$S/> tag.
+DuplicateMprescripts=Invalid markup: More than one <mprescripts/> in <mmultiscripts/>.
+# LOCALIZATION NOTE:  The first child of <mmultiscript/> is the base, that is the element to which scripts are attached.
+NoBase=Invalid markup: Expected exactly one Base element in <mmultiscripts/>.  Found none.
+SubSupMismatch=Invalid markup: Incomplete subscript/superscript pair in <mmultiscripts/>.
+
+# LOCALIZATION NOTE:  When localizing the single quotes ('), follow the conventions in css.properties for your target locale.
+AttributeParsingError=Error in parsing the value '%1$S' for '%2$S' attribute of <%3$S/>.  Attribute ignored.
+AttributeParsingErrorNoTag=Error in parsing the value '%1$S' for '%2$S' attribute.  Attribute ignored.
+LengthParsingError=Error in parsing MathML attribute value '%1$S' as length.  Attribute ignored.
+DeprecatedSupersededBy='%1$S' is deprecated in MathML 3, superseded by '%2$S'.
+UnitlessValuesAreDeprecated=Unitless values are deprecated in MathML 3.