Bug 1355779 - Skip interned ElementName lookup for Custom Elements (ones with hyphen).

Regen.

Tag UXP Issue #1344

6 files changed, 280 insertions, 262 deletions

diff --git a/parser/html/java/htmlparser/src/nu/validator/htmlparser/impl/ElementName.java b/parser/html/java/htmlparser/src/nu/validator/htmlparser/impl/ElementName.java
index e772e7e700..ebfd8294bc 100644
--- a/parser/html/java/htmlparser/src/nu/validator/htmlparser/impl/ElementName.java
+++ b/parser/html/java/htmlparser/src/nu/validator/htmlparser/impl/ElementName.java
@@ -903,7 +903,7 @@ public final class ElementName
     public static final ElementName SUMMARY = new ElementName("summary", "summary", TreeBuilder.ADDRESS_OR_ARTICLE_OR_ASIDE_OR_DETAILS_OR_DIALOG_OR_DIR_OR_FIGCAPTION_OR_FIGURE_OR_FOOTER_OR_HEADER_OR_HGROUP_OR_MAIN_OR_NAV_OR_SECTION_OR_SUMMARY | SPECIAL);
     public static final ElementName TBODY = new ElementName("tbody", "tbody", TreeBuilder.TBODY_OR_THEAD_OR_TFOOT | SPECIAL | FOSTER_PARENTING | OPTIONAL_END_TAG);
     private final static @NoLength ElementName[] ELEMENT_NAMES = {
-    VKERN,
+    AUDIO,
     MSPACE,
     FOREIGNOBJECT,
     EULERGAMMA,
@@ -913,7 +913,7 @@ public final class ElementName
     PRE,
     ANIMATE,
     FEFUNCG,
-    ARCTAN,
+    ARCSIN,
     OR,
     PROGRESS,
     MOMENT,
@@ -924,9 +924,9 @@ public final class ElementName
     FONT_FACE,
     TABLE,
     GLYPH,
-    INTERVAL,
-    MN,
-    BR,
+    OL,
+    KEYGEN,
+    ABBR,
     MLABELEDTR,
     INTEGERS,
     ARCCOT,
@@ -947,11 +947,11 @@ public final class ElementName
     ARCSINH,
     SECH,
     TRACK,
-    ANIMATETRANSFORM,
-    CAPTION,
-    OPTION,
-    MALIGNGROUP,
-    FECOMPONENTTRANSFER,
+    ACRONYM,
+    CONDITION,
+    POLYGON,
+    MSUBSUP,
+    FILTER,
     METER,
     TR,
     DEFS,
@@ -991,17 +991,17 @@ public final class ElementName
     MPATH,
     TEXTPATH,
     MARK,
-    CURL,
-    REAL,
-    MENUITEM,
-    ANIMATEMOTION,
-    IN,
-    MEDIAN,
-    SPAN,
-    VIDEO,
-    OPTGROUP,
-    CENTER,
-    FEGAUSSIANBLUR,
+    FACTORIAL,
+    SMALL,
+    MPHANTOM,
+    BUTTON,
+    FIGCAPTION,
+    MAIN,
+    SECTION,
+    COLGROUP,
+    SAMP,
+    CURSOR,
+    HEADER,
     MUNDER,
     MUNDEROVER,
     NOTANUMBER,
@@ -1080,26 +1080,27 @@ public final class ElementName
     FONT_FACE_URI,
     PI,
     MASK,
-    FORALL,
-    LABEL,
-    SYMBOL,
-    EM,
-    PARAM,
-    ANIMATION,
-    FN,
-    DOMAIN,
-    HKERN,
-    LAPLACIAN,
-    MACTION,
-    PATTERN,
-    TSPAN,
-    MO,
-    FEDISPLACEMENTMAP,
-    MSUP,
-    STOP,
-    ANIMATECOLOR,
-    HR,
-    FOOTER,
+    CSYMBOL,
+    HTML,
+    UL,
+    ALTGLYPHITEM,
+    FORM,
+    CN,
+    ANNOTATION,
+    CODOMAIN,
+    DOMAINOFAPPLICATION,
+    LN,
+    MEAN,
+    NOTIN,
+    RELN,
+    UNION,
+    TENDSTO,
+    HGROUP,
+    RP,
+    EQ,
+    BVAR,
+    FEFUNCR,
+    FLOOR,
     HANDLER,
     LISTENER,
     MARKER,
@@ -1258,51 +1259,50 @@ public final class ElementName
     MALIGNMARK,
     TBREAK,
     DL,
-    CSYMBOL,
-    FACTORIAL,
-    HTML,
-    OL,
-    UL,
-    SMALL,
-    ALTGLYPHITEM,
-    ACRONYM,
-    FORM,
-    MPHANTOM,
-    CN,
-    ARCSIN,
-    ANNOTATION,
-    BUTTON,
-    CODOMAIN,
-    CONDITION,
-    DOMAINOFAPPLICATION,
-    FIGCAPTION,
-    LN,
-    KEYGEN,
-    MEAN,
-    MAIN,
-    NOTIN,
-    POLYGON,
-    RELN,
-    SECTION,
-    UNION,
-    AUDIO,
-    TENDSTO,
-    COLGROUP,
-    HGROUP,
-    MSUBSUP,
-    RP,
-    SAMP,
-    EQ,
-    ABBR,
-    BVAR,
-    CURSOR,
-    FEFUNCR,
-    FILTER,
-    FLOOR,
-    HEADER,
+    CURL,
+    FORALL,
+    INTERVAL,
+    LABEL,
+    REAL,
+    SYMBOL,
+    ANIMATETRANSFORM,
+    EM,
+    MENUITEM,
+    PARAM,
+    ARCTAN,
+    ANIMATION,
+    ANIMATEMOTION,
+    FN,
+    CAPTION,
+    DOMAIN,
+    IN,
+    HKERN,
+    MN,
+    LAPLACIAN,
+    MEDIAN,
+    MACTION,
+    OPTION,
+    PATTERN,
+    SPAN,
+    TSPAN,
+    VKERN,
+    MO,
+    VIDEO,
+    FEDISPLACEMENTMAP,
+    MALIGNGROUP,
+    MSUP,
+    OPTGROUP,
+    STOP,
+    BR,
+    ANIMATECOLOR,
+    CENTER,
+    HR,
+    FECOMPONENTTRANSFER,
+    FOOTER,
+    FEGAUSSIANBLUR,
     };
     private final static int[] ELEMENT_HASHES = {
-    1909280949,
+    1914900309,
     1753319686,
     2001309869,
     1682186266,
@@ -1312,7 +1312,7 @@ public final class ElementName
     58773795,
     1747306711,
     1783210839,
-    1897999926,
+    1898130486,
     1970798594,
     1990037800,
     2005160150,
@@ -1323,9 +1323,9 @@ public final class ElementName
     1749649513,
     1757137429,
     1800730821,
-    1868641064,
-    1902641154,
-    1963982850,
+    1870135298,
+    1903302038,
+    1965115924,
     1971703386,
     1986351224,
     1998883894,
@@ -1346,11 +1346,11 @@ public final class ElementName
     1797544247,
     1806799156,
     1857653029,
-    1881498736,
-    1899272519,
-    1905563974,
-    1938171179,
-    1967788867,
+    1881613047,
+    1899272521,
+    1906087319,
+    1938172967,
+    1967795910,
     1971465813,
     1973420034,
     1983533124,
@@ -1390,17 +1390,17 @@ public final class ElementName
     1803929861,
     1807599880,
     1854228692,
-    1865773108,
-    1873350948,
-    1887579800,
-    1898223949,
-    1900544002,
-    1904285766,
-    1907435316,
-    1925844629,
-    1939219752,
-    1966223078,
-    1968053806,
+    1867061545,
+    1874053333,
+    1887743720,
+    1898753862,
+    1900845386,
+    1904412884,
+    1907661127,
+    1932928296,
+    1941178676,
+    1966386470,
+    1968836118,
     1971457766,
     1971467002,
     1971981018,
@@ -1479,27 +1479,27 @@ public final class ElementName
     1817013469,
     1820327938,
     1854245076,
-    1864643294,
-    1867237670,
-    1870268949,
-    1874102998,
-    1881669634,
-    1889085973,
-    1898223945,
-    1898971138,
-    1899694294,
-    1901940917,
-    1903761465,
-    1904515399,
-    1906135367,
-    1907959605,
-    1919418370,
-    1934172497,
-    1938173140,
-    1941221172,
-    1965334268,
-    1967128578,
-    1967795958,
+    1865714391,
+    1868312196,
+    1873281026,
+    1881288348,
+    1884120164,
+    1897398274,
+    1898223946,
+    1899170008,
+    1899796819,
+    1902116866,
+    1904283860,
+    1904946933,
+    1907085604,
+    1908709605,
+    1925049415,
+    1935549734,
+    1938817026,
+    1948778498,
+    1965634084,
+    1967760215,
+    1967957189,
     1968840263,
     1970938456,
     1971461414,
@@ -1658,47 +1658,46 @@ public final class ElementName
     1854228698,
     1857622310,
     1864368130,
-    1865714391,
-    1867061545,
-    1868312196,
-    1870135298,
-    1873281026,
-    1874053333,
-    1881288348,
-    1881613047,
-    1884120164,
-    1887743720,
-    1897398274,
-    1898130486,
-    1898223946,
-    1898753862,
-    1899170008,
-    1899272521,
-    1899796819,
-    1900845386,
-    1902116866,
-    1903302038,
-    1904283860,
-    1904412884,
-    1904946933,
-    1906087319,
-    1907085604,
-    1907661127,
-    1908709605,
-    1914900309,
-    1925049415,
-    1932928296,
-    1935549734,
-    1938172967,
-    1938817026,
-    1941178676,
-    1948778498,
-    1965115924,
-    1965634084,
-    1966386470,
-    1967760215,
-    1967795910,
-    1967957189,
-    1968836118,
+    1865773108,
+    1867237670,
+    1868641064,
+    1870268949,
+    1873350948,
+    1874102998,
+    1881498736,
+    1881669634,
+    1887579800,
+    1889085973,
+    1897999926,
+    1898223945,
+    1898223949,
+    1898971138,
+    1899272519,
+    1899694294,
+    1900544002,
+    1901940917,
+    1902641154,
+    1903761465,
+    1904285766,
+    1904515399,
+    1905563974,
+    1906135367,
+    1907435316,
+    1907959605,
+    1909280949,
+    1919418370,
+    1925844629,
+    1934172497,
+    1938171179,
+    1938173140,
+    1939219752,
+    1941221172,
+    1963982850,
+    1965334268,
+    1966223078,
+    1967128578,
+    1967788867,
+    1967795958,
+    1968053806,
     };
 }
diff --git a/parser/html/nsHtml5AtomList.h b/parser/html/nsHtml5AtomList.h
index 1ea9c43923..75615a7b5d 100644
--- a/parser/html/nsHtml5AtomList.h
+++ b/parser/html/nsHtml5AtomList.h
@@ -670,6 +670,7 @@ HTML5_ATOM(verythickmathspace, "verythickmathspace")
 HTML5_ATOM(veryverythinmathspace, "veryverythinmathspace")
 HTML5_ATOM(veryverythickmathspace, "veryverythickmathspace")
 HTML5_ATOM(isindex, "isindex")
+HTML5_ATOM(annotation_xml, "annotation-xml")
 HTML5_ATOM(and_, "and")
 HTML5_ATOM(arg, "arg")
 HTML5_ATOM(abs, "abs")
@@ -871,7 +872,6 @@ HTML5_ATOM(malignmark, "malignmark")
 HTML5_ATOM(tbreak, "tbreak")
 HTML5_ATOM(track, "track")
 HTML5_ATOM(dl, "dl")
-HTML5_ATOM(annotation_xml, "annotation-xml")
 HTML5_ATOM(csymbol, "csymbol")
 HTML5_ATOM(curl, "curl")
 HTML5_ATOM(factorial, "factorial")
diff --git a/parser/html/nsHtml5ElementName.cpp b/parser/html/nsHtml5ElementName.cpp
index f538804dd3..a138c6e718 100644
--- a/parser/html/nsHtml5ElementName.cpp
+++ b/parser/html/nsHtml5ElementName.cpp
@@ -81,6 +81,7 @@ nsHtml5ElementName::~nsHtml5ElementName()
 }
 
 nsHtml5ElementName* nsHtml5ElementName::ELT_ISINDEX = nullptr;
+nsHtml5ElementName* nsHtml5ElementName::ELT_ANNOTATION_XML = nullptr;
 nsHtml5ElementName* nsHtml5ElementName::ELT_AND = nullptr;
 nsHtml5ElementName* nsHtml5ElementName::ELT_ARG = nullptr;
 nsHtml5ElementName* nsHtml5ElementName::ELT_ABS = nullptr;
@@ -282,7 +283,6 @@ nsHtml5ElementName* nsHtml5ElementName::ELT_MASK = nullptr;
 nsHtml5ElementName* nsHtml5ElementName::ELT_TBREAK = nullptr;
 nsHtml5ElementName* nsHtml5ElementName::ELT_TRACK = nullptr;
 nsHtml5ElementName* nsHtml5ElementName::ELT_DL = nullptr;
-nsHtml5ElementName* nsHtml5ElementName::ELT_ANNOTATION_XML = nullptr;
 nsHtml5ElementName* nsHtml5ElementName::ELT_CSYMBOL = nullptr;
 nsHtml5ElementName* nsHtml5ElementName::ELT_CURL = nullptr;
 nsHtml5ElementName* nsHtml5ElementName::ELT_FACTORIAL = nullptr;
@@ -479,12 +479,13 @@ nsHtml5ElementName* nsHtml5ElementName::ELT_RUBY = nullptr;
 nsHtml5ElementName* nsHtml5ElementName::ELT_SUMMARY = nullptr;
 nsHtml5ElementName* nsHtml5ElementName::ELT_TBODY = nullptr;
 nsHtml5ElementName** nsHtml5ElementName::ELEMENT_NAMES = 0;
-static int32_t const ELEMENT_HASHES_DATA[] = { 1909280949, 1753319686, 2001309869, 1682186266, 1818700314, 1982106678, 2006974466, 58773795, 1747306711, 1783210839, 1897999926, 1970798594, 1990037800, 2005160150, 2055514836, 54061139, 62390273, 1730965751, 1749649513, 1757137429, 1800730821, 1868641064, 1902641154, 1963982850, 1971703386, 1986351224, 1998883894, 2002780162, 2005766372, 2008340774, 2082727685, 51965171, 57200451, 60350803, 69730305, 1703936002, 1736200310, 1748359220, 1749905526, 1754894485, 1765431364, 1797544247, 1806799156, 1857653029, 1881498736, 1899272519, 1905563974, 1938171179, 1967788867, 1971465813, 1973420034, 1983533124, 1988502165, 1991350601, 2000439531, 2001392795, 2004557973, 2005324101, 2006329158, 2007803172, 2009706573, 2068523853, 2087049448, 51434643, 52488851, 56151587, 57210387, 59826259, 60354131, 63438849, 926941186, 1686491348, 1715310660, 1733054663, 1738539010, 1748225318, 1748846791, 1749723735, 1751386406, 1753479494, 1756098852, 1757268168, 1773295687, 1790207270, 1798417460, 1803929861, 1807599880, 1854228692, 1865773108, 1873350948, 1887579800, 1898223949, 1900544002, 1904285766, 1907435316, 1925844629, 1939219752, 1966223078, 1968053806, 1971457766, 1971467002, 1971981018, 1974775352, 1982935782, 1984294038, 1988486811, 1988972590, 1990969429, 1998585858, 1999745104, 2000965834, 2001349720, 2001392798, 2003062853, 2004635806, 2005231925, 2005543979, 2006028454, 2006592552, 2007601444, 2008133709, 2008994116, 2041712436, 2060065124, 2070023911, 2085266636, 2092255447, 50910499, 51957043, 52485715, 53012355, 55110883, 56680499, 57206291, 57732851, 59768833, 60345427, 60352083, 61395251, 62973651, 67633153, 893386754, 960495618, 1685703382, 1699324759, 1713736758, 1719741029, 1732069431, 1733372532, 1736576583, 1747048757, 1747838298, 1748346119, 1748621670, 1749272732, 1749673195, 1749813486, 1749932347, 1752979652, 1753362711, 1754031332, 1755148615, 1756600614, 1757157700, 1758044696, 1766992520, 1781815495, 1783388498, 1797368887, 1797628983, 1798686984, 1803876557, 1805502724, 1806981428, 1817013469, 1820327938, 1854245076, 1864643294, 1867237670, 1870268949, 1874102998, 1881669634, 1889085973, 1898223945, 1898971138, 1899694294, 1901940917, 1903761465, 1904515399, 1906135367, 1907959605, 1919418370, 1934172497, 1938173140, 1941221172, 1965334268, 1967128578, 1967795958, 1968840263, 1970938456, 1971461414, 1971466997, 1971628838, 1971938532, 1973040373, 1974771450, 1976348214, 1982173479, 1983002201, 1983633431, 1986140359, 1986527234, 1988486813, 1988763672, 1989812374, 1990074116, 1990969577, 1991909525, 1998724870, 1999397992, 2000158722, 2000825752, 2001281328, 2001349704, 2001349736, 2001392796, 2001495140, 2002882873, 2003183333, 2004557976, 2004719812, 2005181733, 2005279787, 2005543977, 2005719336, 2005925890, 2006036556, 2006560839, 2006896969, 2007257240, 2007781534, 2008125638, 2008165414, 2008851557, 2009276567, 2021937364, 2051837468, 2055515017, 2066000646, 2068523856, 2072193862, 2083120164, 2087012585, 2091479332, 2092557349, 50908899, 50916387, 51438659, 51961587, 51965683, 52486755, 52490899, 54054451, 55104723, 55111395, 56677619, 56682579, 57205395, 57207619, 57731155, 57733651, 59244545, 59821379, 60345171, 60347747, 60351123, 60352339, 60875283, 61925907, 62450211, 62974707, 67108865, 68681729, 876609538, 910163970, 943718402, 1679960596, 1682547543, 1686489160, 1689922072, 1703292116, 1713515574, 1715300574, 1716349149, 1730150402, 1731545140, 1732381397, 1733076167, 1733890180, 1736576231, 1737099991, 1740181637, 1747176599, 1747814436, 1748100148, 1748228205, 1748355193, 1748607578, 1748642422, 1748879564, 1749395095, 1749656156, 1749715159, 1749801286, 1749813541, 1749917205, 1751288021, 1751493207, 1753057319, 1753343188, 1753467414, 1753588936, 1754634617, 1755076808, 1755158905, 1756474198, 1756625221, 1757146773, 1757259017, 1757293380, 1763839627, 1766632184, 1771722827, 1773808452, 1782357526, 1783388497, 1786534215, 1797361975, 1797540167, 1797585096, 1797645367, 1798677556, 1798693940, 1803876550, 1803929812, 1805233752, 1805647874, 1806806678, 1807501636, 1813512194, 1818230786, 1818755074, 1853642948, 1854228698, 1857622310, 1864368130, 1865714391, 1867061545, 1868312196, 1870135298, 1873281026, 1874053333, 1881288348, 1881613047, 1884120164, 1887743720, 1897398274, 1898130486, 1898223946, 1898753862, 1899170008, 1899272521, 1899796819, 1900845386, 1902116866, 1903302038, 1904283860, 1904412884, 1904946933, 1906087319, 1907085604, 1907661127, 1908709605, 1914900309, 1925049415, 1932928296, 1935549734, 1938172967, 1938817026, 1941178676, 1948778498, 1965115924, 1965634084, 1966386470, 1967760215, 1967795910, 1967957189, 1968836118 };
+static int32_t const ELEMENT_HASHES_DATA[] = { 1914900309, 1753319686, 2001309869, 1682186266, 1818700314, 1982106678, 2006974466, 58773795, 1747306711, 1783210839, 1898130486, 1970798594, 1990037800, 2005160150, 2055514836, 54061139, 62390273, 1730965751, 1749649513, 1757137429, 1800730821, 1870135298, 1903302038, 1965115924, 1971703386, 1986351224, 1998883894, 2002780162, 2005766372, 2008340774, 2082727685, 51965171, 57200451, 60350803, 69730305, 1703936002, 1736200310, 1748359220, 1749905526, 1754894485, 1765431364, 1797544247, 1806799156, 1857653029, 1881613047, 1899272521, 1906087319, 1938172967, 1967795910, 1971465813, 1973420034, 1983533124, 1988502165, 1991350601, 2000439531, 2001392795, 2004557973, 2005324101, 2006329158, 2007803172, 2009706573, 2068523853, 2087049448, 51434643, 52488851, 56151587, 57210387, 59826259, 60354131, 63438849, 926941186, 1686491348, 1715310660, 1733054663, 1738539010, 1748225318, 1748846791, 1749723735, 1751386406, 1753479494, 1756098852, 1757268168, 1773295687, 1790207270, 1798417460, 1803929861, 1807599880, 1854228692, 1867061545, 1874053333, 1887743720, 1898753862, 1900845386, 1904412884, 1907661127, 1932928296, 1941178676, 1966386470, 1968836118, 1971457766, 1971467002, 1971981018, 1974775352, 1982935782, 1984294038, 1988486811, 1988972590, 1990969429, 1998585858, 1999745104, 2000965834, 2001349720, 2001392798, 2003062853, 2004635806, 2005231925, 2005543979, 2006028454, 2006592552, 2007601444, 2008133709, 2008994116, 2041712436, 2060065124, 2070023911, 2085266636, 2092255447, 50910499, 51957043, 52485715, 53012355, 55110883, 56680499, 57206291, 57732851, 59768833, 60345427, 60352083, 61395251, 62973651, 67633153, 893386754, 960495618, 1685703382, 1699324759, 1713736758, 1719741029, 1732069431, 1733372532, 1736576583, 1747048757, 1747838298, 1748346119, 1748621670, 1749272732, 1749673195, 1749813486, 1749932347, 1752979652, 1753362711, 1754031332, 1755148615, 1756600614, 1757157700, 1758044696, 1766992520, 1781815495, 1783388498, 1797368887, 1797628983, 1798686984, 1803876557, 1805502724, 1806981428, 1817013469, 1820327938, 1854245076, 1865714391, 1868312196, 1873281026, 1881288348, 1884120164, 1897398274, 1898223946, 1899170008, 1899796819, 1902116866, 1904283860, 1904946933, 1907085604, 1908709605, 1925049415, 1935549734, 1938817026, 1948778498, 1965634084, 1967760215, 1967957189, 1968840263, 1970938456, 1971461414, 1971466997, 1971628838, 1971938532, 1973040373, 1974771450, 1976348214, 1982173479, 1983002201, 1983633431, 1986140359, 1986527234, 1988486813, 1988763672, 1989812374, 1990074116, 1990969577, 1991909525, 1998724870, 1999397992, 2000158722, 2000825752, 2001281328, 2001349704, 2001349736, 2001392796, 2001495140, 2002882873, 2003183333, 2004557976, 2004719812, 2005181733, 2005279787, 2005543977, 2005719336, 2005925890, 2006036556, 2006560839, 2006896969, 2007257240, 2007781534, 2008125638, 2008165414, 2008851557, 2009276567, 2021937364, 2051837468, 2055515017, 2066000646, 2068523856, 2072193862, 2083120164, 2087012585, 2091479332, 2092557349, 50908899, 50916387, 51438659, 51961587, 51965683, 52486755, 52490899, 54054451, 55104723, 55111395, 56677619, 56682579, 57205395, 57207619, 57731155, 57733651, 59244545, 59821379, 60345171, 60347747, 60351123, 60352339, 60875283, 61925907, 62450211, 62974707, 67108865, 68681729, 876609538, 910163970, 943718402, 1679960596, 1682547543, 1686489160, 1689922072, 1703292116, 1713515574, 1715300574, 1716349149, 1730150402, 1731545140, 1732381397, 1733076167, 1733890180, 1736576231, 1737099991, 1740181637, 1747176599, 1747814436, 1748100148, 1748228205, 1748355193, 1748607578, 1748642422, 1748879564, 1749395095, 1749656156, 1749715159, 1749801286, 1749813541, 1749917205, 1751288021, 1751493207, 1753057319, 1753343188, 1753467414, 1753588936, 1754634617, 1755076808, 1755158905, 1756474198, 1756625221, 1757146773, 1757259017, 1757293380, 1763839627, 1766632184, 1771722827, 1773808452, 1782357526, 1783388497, 1786534215, 1797361975, 1797540167, 1797585096, 1797645367, 1798677556, 1798693940, 1803876550, 1803929812, 1805233752, 1805647874, 1806806678, 1807501636, 1813512194, 1818230786, 1818755074, 1853642948, 1854228698, 1857622310, 1864368130, 1865773108, 1867237670, 1868641064, 1870268949, 1873350948, 1874102998, 1881498736, 1881669634, 1887579800, 1889085973, 1897999926, 1898223945, 1898223949, 1898971138, 1899272519, 1899694294, 1900544002, 1901940917, 1902641154, 1903761465, 1904285766, 1904515399, 1905563974, 1906135367, 1907435316, 1907959605, 1909280949, 1919418370, 1925844629, 1934172497, 1938171179, 1938173140, 1939219752, 1941221172, 1963982850, 1965334268, 1966223078, 1967128578, 1967788867, 1967795958, 1968053806 };
 staticJArray<int32_t,int32_t> nsHtml5ElementName::ELEMENT_HASHES = { ELEMENT_HASHES_DATA, MOZ_ARRAY_LENGTH(ELEMENT_HASHES_DATA) };
 void
 nsHtml5ElementName::initializeStatics()
 {
   ELT_ISINDEX = new nsHtml5ElementName(nsHtml5Atoms::isindex, nsHtml5Atoms::isindex, nsHtml5TreeBuilder::ISINDEX | SPECIAL);
+  ELT_ANNOTATION_XML = new nsHtml5ElementName(nsHtml5Atoms::annotation_xml, nsHtml5Atoms::annotation_xml, nsHtml5TreeBuilder::ANNOTATION_XML | SCOPING_AS_MATHML);
   ELT_AND = new nsHtml5ElementName(nsHtml5Atoms::and_, nsHtml5Atoms::and_, nsHtml5TreeBuilder::OTHER);
   ELT_ARG = new nsHtml5ElementName(nsHtml5Atoms::arg, nsHtml5Atoms::arg, nsHtml5TreeBuilder::OTHER);
   ELT_ABS = new nsHtml5ElementName(nsHtml5Atoms::abs, nsHtml5Atoms::abs, nsHtml5TreeBuilder::OTHER);
@@ -686,7 +687,6 @@ nsHtml5ElementName::initializeStatics()
   ELT_TBREAK = new nsHtml5ElementName(nsHtml5Atoms::tbreak, nsHtml5Atoms::tbreak, nsHtml5TreeBuilder::OTHER);
   ELT_TRACK = new nsHtml5ElementName(nsHtml5Atoms::track, nsHtml5Atoms::track, nsHtml5TreeBuilder::PARAM_OR_SOURCE_OR_TRACK | SPECIAL);
   ELT_DL = new nsHtml5ElementName(nsHtml5Atoms::dl, nsHtml5Atoms::dl, nsHtml5TreeBuilder::UL_OR_OL_OR_DL | SPECIAL);
-  ELT_ANNOTATION_XML = new nsHtml5ElementName(nsHtml5Atoms::annotation_xml, nsHtml5Atoms::annotation_xml, nsHtml5TreeBuilder::ANNOTATION_XML | SCOPING_AS_MATHML);
   ELT_CSYMBOL = new nsHtml5ElementName(nsHtml5Atoms::csymbol, nsHtml5Atoms::csymbol, nsHtml5TreeBuilder::OTHER);
   ELT_CURL = new nsHtml5ElementName(nsHtml5Atoms::curl, nsHtml5Atoms::curl, nsHtml5TreeBuilder::OTHER);
   ELT_FACTORIAL = new nsHtml5ElementName(nsHtml5Atoms::factorial, nsHtml5Atoms::factorial, nsHtml5TreeBuilder::OTHER);
@@ -882,8 +882,8 @@ nsHtml5ElementName::initializeStatics()
   ELT_RUBY = new nsHtml5ElementName(nsHtml5Atoms::ruby, nsHtml5Atoms::ruby, nsHtml5TreeBuilder::RUBY_OR_SPAN_OR_SUB_OR_SUP_OR_VAR);
   ELT_SUMMARY = new nsHtml5ElementName(nsHtml5Atoms::summary, nsHtml5Atoms::summary, nsHtml5TreeBuilder::ADDRESS_OR_ARTICLE_OR_ASIDE_OR_DETAILS_OR_DIALOG_OR_DIR_OR_FIGCAPTION_OR_FIGURE_OR_FOOTER_OR_HEADER_OR_HGROUP_OR_MAIN_OR_NAV_OR_SECTION_OR_SUMMARY | SPECIAL);
   ELT_TBODY = new nsHtml5ElementName(nsHtml5Atoms::tbody, nsHtml5Atoms::tbody, nsHtml5TreeBuilder::TBODY_OR_THEAD_OR_TFOOT | SPECIAL | FOSTER_PARENTING | OPTIONAL_END_TAG);
-  ELEMENT_NAMES = new nsHtml5ElementName*[398];
-  ELEMENT_NAMES[0] = ELT_VKERN;
+  ELEMENT_NAMES = new nsHtml5ElementName*[397];
+  ELEMENT_NAMES[0] = ELT_AUDIO;
   ELEMENT_NAMES[1] = ELT_MSPACE;
   ELEMENT_NAMES[2] = ELT_FOREIGNOBJECT;
   ELEMENT_NAMES[3] = ELT_EULERGAMMA;
@@ -893,7 +893,7 @@ nsHtml5ElementName::initializeStatics()
   ELEMENT_NAMES[7] = ELT_PRE;
   ELEMENT_NAMES[8] = ELT_ANIMATE;
   ELEMENT_NAMES[9] = ELT_FEFUNCG;
-  ELEMENT_NAMES[10] = ELT_ARCTAN;
+  ELEMENT_NAMES[10] = ELT_ARCSIN;
   ELEMENT_NAMES[11] = ELT_OR;
   ELEMENT_NAMES[12] = ELT_PROGRESS;
   ELEMENT_NAMES[13] = ELT_MOMENT;
@@ -904,9 +904,9 @@ nsHtml5ElementName::initializeStatics()
   ELEMENT_NAMES[18] = ELT_FONT_FACE;
   ELEMENT_NAMES[19] = ELT_TABLE;
   ELEMENT_NAMES[20] = ELT_GLYPH;
-  ELEMENT_NAMES[21] = ELT_INTERVAL;
-  ELEMENT_NAMES[22] = ELT_MN;
-  ELEMENT_NAMES[23] = ELT_BR;
+  ELEMENT_NAMES[21] = ELT_OL;
+  ELEMENT_NAMES[22] = ELT_KEYGEN;
+  ELEMENT_NAMES[23] = ELT_ABBR;
   ELEMENT_NAMES[24] = ELT_MLABELEDTR;
   ELEMENT_NAMES[25] = ELT_INTEGERS;
   ELEMENT_NAMES[26] = ELT_ARCCOT;
@@ -927,11 +927,11 @@ nsHtml5ElementName::initializeStatics()
   ELEMENT_NAMES[41] = ELT_ARCSINH;
   ELEMENT_NAMES[42] = ELT_SECH;
   ELEMENT_NAMES[43] = ELT_TRACK;
-  ELEMENT_NAMES[44] = ELT_ANIMATETRANSFORM;
-  ELEMENT_NAMES[45] = ELT_CAPTION;
-  ELEMENT_NAMES[46] = ELT_OPTION;
-  ELEMENT_NAMES[47] = ELT_MALIGNGROUP;
-  ELEMENT_NAMES[48] = ELT_FECOMPONENTTRANSFER;
+  ELEMENT_NAMES[44] = ELT_ACRONYM;
+  ELEMENT_NAMES[45] = ELT_CONDITION;
+  ELEMENT_NAMES[46] = ELT_POLYGON;
+  ELEMENT_NAMES[47] = ELT_MSUBSUP;
+  ELEMENT_NAMES[48] = ELT_FILTER;
   ELEMENT_NAMES[49] = ELT_METER;
   ELEMENT_NAMES[50] = ELT_TR;
   ELEMENT_NAMES[51] = ELT_DEFS;
@@ -971,17 +971,17 @@ nsHtml5ElementName::initializeStatics()
   ELEMENT_NAMES[85] = ELT_MPATH;
   ELEMENT_NAMES[86] = ELT_TEXTPATH;
   ELEMENT_NAMES[87] = ELT_MARK;
-  ELEMENT_NAMES[88] = ELT_CURL;
-  ELEMENT_NAMES[89] = ELT_REAL;
-  ELEMENT_NAMES[90] = ELT_MENUITEM;
-  ELEMENT_NAMES[91] = ELT_ANIMATEMOTION;
-  ELEMENT_NAMES[92] = ELT_IN;
-  ELEMENT_NAMES[93] = ELT_MEDIAN;
-  ELEMENT_NAMES[94] = ELT_SPAN;
-  ELEMENT_NAMES[95] = ELT_VIDEO;
-  ELEMENT_NAMES[96] = ELT_OPTGROUP;
-  ELEMENT_NAMES[97] = ELT_CENTER;
-  ELEMENT_NAMES[98] = ELT_FEGAUSSIANBLUR;
+  ELEMENT_NAMES[88] = ELT_FACTORIAL;
+  ELEMENT_NAMES[89] = ELT_SMALL;
+  ELEMENT_NAMES[90] = ELT_MPHANTOM;
+  ELEMENT_NAMES[91] = ELT_BUTTON;
+  ELEMENT_NAMES[92] = ELT_FIGCAPTION;
+  ELEMENT_NAMES[93] = ELT_MAIN;
+  ELEMENT_NAMES[94] = ELT_SECTION;
+  ELEMENT_NAMES[95] = ELT_COLGROUP;
+  ELEMENT_NAMES[96] = ELT_SAMP;
+  ELEMENT_NAMES[97] = ELT_CURSOR;
+  ELEMENT_NAMES[98] = ELT_HEADER;
   ELEMENT_NAMES[99] = ELT_MUNDER;
   ELEMENT_NAMES[100] = ELT_MUNDEROVER;
   ELEMENT_NAMES[101] = ELT_NOTANUMBER;
@@ -1060,27 +1060,27 @@ nsHtml5ElementName::initializeStatics()
   ELEMENT_NAMES[174] = ELT_FONT_FACE_URI;
   ELEMENT_NAMES[175] = ELT_PI;
   ELEMENT_NAMES[176] = ELT_MASK;
-  ELEMENT_NAMES[177] = ELT_ANNOTATION_XML;
-  ELEMENT_NAMES[178] = ELT_FORALL;
-  ELEMENT_NAMES[179] = ELT_LABEL;
-  ELEMENT_NAMES[180] = ELT_SYMBOL;
-  ELEMENT_NAMES[181] = ELT_EM;
-  ELEMENT_NAMES[182] = ELT_PARAM;
-  ELEMENT_NAMES[183] = ELT_ANIMATION;
-  ELEMENT_NAMES[184] = ELT_FN;
-  ELEMENT_NAMES[185] = ELT_DOMAIN;
-  ELEMENT_NAMES[186] = ELT_HKERN;
-  ELEMENT_NAMES[187] = ELT_LAPLACIAN;
-  ELEMENT_NAMES[188] = ELT_MACTION;
-  ELEMENT_NAMES[189] = ELT_PATTERN;
-  ELEMENT_NAMES[190] = ELT_TSPAN;
-  ELEMENT_NAMES[191] = ELT_MO;
-  ELEMENT_NAMES[192] = ELT_FEDISPLACEMENTMAP;
-  ELEMENT_NAMES[193] = ELT_MSUP;
-  ELEMENT_NAMES[194] = ELT_STOP;
-  ELEMENT_NAMES[195] = ELT_ANIMATECOLOR;
-  ELEMENT_NAMES[196] = ELT_HR;
-  ELEMENT_NAMES[197] = ELT_FOOTER;
+  ELEMENT_NAMES[177] = ELT_CSYMBOL;
+  ELEMENT_NAMES[178] = ELT_HTML;
+  ELEMENT_NAMES[179] = ELT_UL;
+  ELEMENT_NAMES[180] = ELT_ALTGLYPHITEM;
+  ELEMENT_NAMES[181] = ELT_FORM;
+  ELEMENT_NAMES[182] = ELT_CN;
+  ELEMENT_NAMES[183] = ELT_ANNOTATION;
+  ELEMENT_NAMES[184] = ELT_CODOMAIN;
+  ELEMENT_NAMES[185] = ELT_DOMAINOFAPPLICATION;
+  ELEMENT_NAMES[186] = ELT_LN;
+  ELEMENT_NAMES[187] = ELT_MEAN;
+  ELEMENT_NAMES[188] = ELT_NOTIN;
+  ELEMENT_NAMES[189] = ELT_RELN;
+  ELEMENT_NAMES[190] = ELT_UNION;
+  ELEMENT_NAMES[191] = ELT_TENDSTO;
+  ELEMENT_NAMES[192] = ELT_HGROUP;
+  ELEMENT_NAMES[193] = ELT_RP;
+  ELEMENT_NAMES[194] = ELT_EQ;
+  ELEMENT_NAMES[195] = ELT_BVAR;
+  ELEMENT_NAMES[196] = ELT_FEFUNCR;
+  ELEMENT_NAMES[197] = ELT_FLOOR;
   ELEMENT_NAMES[198] = ELT_HANDLER;
   ELEMENT_NAMES[199] = ELT_LISTENER;
   ELEMENT_NAMES[200] = ELT_MARKER;
@@ -1239,54 +1239,54 @@ nsHtml5ElementName::initializeStatics()
   ELEMENT_NAMES[353] = ELT_MALIGNMARK;
   ELEMENT_NAMES[354] = ELT_TBREAK;
   ELEMENT_NAMES[355] = ELT_DL;
-  ELEMENT_NAMES[356] = ELT_CSYMBOL;
-  ELEMENT_NAMES[357] = ELT_FACTORIAL;
-  ELEMENT_NAMES[358] = ELT_HTML;
-  ELEMENT_NAMES[359] = ELT_OL;
-  ELEMENT_NAMES[360] = ELT_UL;
-  ELEMENT_NAMES[361] = ELT_SMALL;
-  ELEMENT_NAMES[362] = ELT_ALTGLYPHITEM;
-  ELEMENT_NAMES[363] = ELT_ACRONYM;
-  ELEMENT_NAMES[364] = ELT_FORM;
-  ELEMENT_NAMES[365] = ELT_MPHANTOM;
-  ELEMENT_NAMES[366] = ELT_CN;
-  ELEMENT_NAMES[367] = ELT_ARCSIN;
-  ELEMENT_NAMES[368] = ELT_ANNOTATION;
-  ELEMENT_NAMES[369] = ELT_BUTTON;
-  ELEMENT_NAMES[370] = ELT_CODOMAIN;
-  ELEMENT_NAMES[371] = ELT_CONDITION;
-  ELEMENT_NAMES[372] = ELT_DOMAINOFAPPLICATION;
-  ELEMENT_NAMES[373] = ELT_FIGCAPTION;
-  ELEMENT_NAMES[374] = ELT_LN;
-  ELEMENT_NAMES[375] = ELT_KEYGEN;
-  ELEMENT_NAMES[376] = ELT_MEAN;
-  ELEMENT_NAMES[377] = ELT_MAIN;
-  ELEMENT_NAMES[378] = ELT_NOTIN;
-  ELEMENT_NAMES[379] = ELT_POLYGON;
-  ELEMENT_NAMES[380] = ELT_RELN;
-  ELEMENT_NAMES[381] = ELT_SECTION;
-  ELEMENT_NAMES[382] = ELT_UNION;
-  ELEMENT_NAMES[383] = ELT_AUDIO;
-  ELEMENT_NAMES[384] = ELT_TENDSTO;
-  ELEMENT_NAMES[385] = ELT_COLGROUP;
-  ELEMENT_NAMES[386] = ELT_HGROUP;
-  ELEMENT_NAMES[387] = ELT_MSUBSUP;
-  ELEMENT_NAMES[388] = ELT_RP;
-  ELEMENT_NAMES[389] = ELT_SAMP;
-  ELEMENT_NAMES[390] = ELT_EQ;
-  ELEMENT_NAMES[391] = ELT_ABBR;
-  ELEMENT_NAMES[392] = ELT_BVAR;
-  ELEMENT_NAMES[393] = ELT_CURSOR;
-  ELEMENT_NAMES[394] = ELT_FEFUNCR;
-  ELEMENT_NAMES[395] = ELT_FILTER;
-  ELEMENT_NAMES[396] = ELT_FLOOR;
-  ELEMENT_NAMES[397] = ELT_HEADER;
+  ELEMENT_NAMES[356] = ELT_CURL;
+  ELEMENT_NAMES[357] = ELT_FORALL;
+  ELEMENT_NAMES[358] = ELT_INTERVAL;
+  ELEMENT_NAMES[359] = ELT_LABEL;
+  ELEMENT_NAMES[360] = ELT_REAL;
+  ELEMENT_NAMES[361] = ELT_SYMBOL;
+  ELEMENT_NAMES[362] = ELT_ANIMATETRANSFORM;
+  ELEMENT_NAMES[363] = ELT_EM;
+  ELEMENT_NAMES[364] = ELT_MENUITEM;
+  ELEMENT_NAMES[365] = ELT_PARAM;
+  ELEMENT_NAMES[366] = ELT_ARCTAN;
+  ELEMENT_NAMES[367] = ELT_ANIMATION;
+  ELEMENT_NAMES[368] = ELT_ANIMATEMOTION;
+  ELEMENT_NAMES[369] = ELT_FN;
+  ELEMENT_NAMES[370] = ELT_CAPTION;
+  ELEMENT_NAMES[371] = ELT_DOMAIN;
+  ELEMENT_NAMES[372] = ELT_IN;
+  ELEMENT_NAMES[373] = ELT_HKERN;
+  ELEMENT_NAMES[374] = ELT_MN;
+  ELEMENT_NAMES[375] = ELT_LAPLACIAN;
+  ELEMENT_NAMES[376] = ELT_MEDIAN;
+  ELEMENT_NAMES[377] = ELT_MACTION;
+  ELEMENT_NAMES[378] = ELT_OPTION;
+  ELEMENT_NAMES[379] = ELT_PATTERN;
+  ELEMENT_NAMES[380] = ELT_SPAN;
+  ELEMENT_NAMES[381] = ELT_TSPAN;
+  ELEMENT_NAMES[382] = ELT_VKERN;
+  ELEMENT_NAMES[383] = ELT_MO;
+  ELEMENT_NAMES[384] = ELT_VIDEO;
+  ELEMENT_NAMES[385] = ELT_FEDISPLACEMENTMAP;
+  ELEMENT_NAMES[386] = ELT_MALIGNGROUP;
+  ELEMENT_NAMES[387] = ELT_MSUP;
+  ELEMENT_NAMES[388] = ELT_OPTGROUP;
+  ELEMENT_NAMES[389] = ELT_STOP;
+  ELEMENT_NAMES[390] = ELT_BR;
+  ELEMENT_NAMES[391] = ELT_ANIMATECOLOR;
+  ELEMENT_NAMES[392] = ELT_CENTER;
+  ELEMENT_NAMES[393] = ELT_HR;
+  ELEMENT_NAMES[394] = ELT_FECOMPONENTTRANSFER;
+  ELEMENT_NAMES[395] = ELT_FOOTER;
+  ELEMENT_NAMES[396] = ELT_FEGAUSSIANBLUR;
 }
 
 void
 nsHtml5ElementName::releaseStatics()
 {
   delete ELT_ISINDEX;
+  delete ELT_ANNOTATION_XML;
   delete ELT_AND;
   delete ELT_ARG;
   delete ELT_ABS;
@@ -1488,7 +1488,6 @@ nsHtml5ElementName::releaseStatics()
   delete ELT_TBREAK;
   delete ELT_TRACK;
   delete ELT_DL;
-  delete ELT_ANNOTATION_XML;
   delete ELT_CSYMBOL;
   delete ELT_CURL;
   delete ELT_FACTORIAL;
diff --git a/parser/html/nsHtml5ElementName.h b/parser/html/nsHtml5ElementName.h
index 737ac6b18d..89ca549c56 100644
--- a/parser/html/nsHtml5ElementName.h
+++ b/parser/html/nsHtml5ElementName.h
@@ -186,6 +186,7 @@ class nsHtml5ElementName
     }
 
     static nsHtml5ElementName* ELT_ISINDEX;
+    static nsHtml5ElementName* ELT_ANNOTATION_XML;
     static nsHtml5ElementName* ELT_AND;
     static nsHtml5ElementName* ELT_ARG;
     static nsHtml5ElementName* ELT_ABS;
@@ -387,7 +388,6 @@ class nsHtml5ElementName
     static nsHtml5ElementName* ELT_TBREAK;
     static nsHtml5ElementName* ELT_TRACK;
     static nsHtml5ElementName* ELT_DL;
-    static nsHtml5ElementName* ELT_ANNOTATION_XML;
     static nsHtml5ElementName* ELT_CSYMBOL;
     static nsHtml5ElementName* ELT_CURL;
     static nsHtml5ElementName* ELT_FACTORIAL;
diff --git a/parser/html/nsHtml5Tokenizer.cpp b/parser/html/nsHtml5Tokenizer.cpp
index bb8d950d59..aadbca8995 100644
--- a/parser/html/nsHtml5Tokenizer.cpp
+++ b/parser/html/nsHtml5Tokenizer.cpp
@@ -95,6 +95,7 @@ nsHtml5Tokenizer::nsHtml5Tokenizer(nsHtml5TreeBuilder* tokenHandler, bool viewin
     charRefBuf(jArray<char16_t,int32_t>::newJArray(32)),
     bmpChar(jArray<char16_t,int32_t>::newJArray(1)),
     astralChar(jArray<char16_t,int32_t>::newJArray(2)),
+    containsHyphen(false),
     tagName(nullptr),
     nonInternedTagName(new nsHtml5ElementName()),
     attributeName(nullptr),
@@ -279,11 +280,22 @@ nsHtml5Tokenizer::flushChars(char16_t* buf, int32_t pos)
 void 
 nsHtml5Tokenizer::strBufToElementNameString()
 {
-  tagName = nsHtml5ElementName::elementNameByBuffer(strBuf, 0, strBufLen, interner);
-  if (!tagName) {
-    nonInternedTagName->setNameForNonInterned(nsHtml5Portability::newLocalNameFromBuffer(strBuf, 0, strBufLen, interner));
-    tagName = nonInternedTagName;
+  if (containsHyphen) {
+    nsIAtom* annotationName = nsHtml5ElementName::ELT_ANNOTATION_XML->getName();
+    if (nsHtml5Portability::localEqualsBuffer(annotationName, strBuf, 0, strBufLen)) {
+      tagName = nsHtml5ElementName::ELT_ANNOTATION_XML;
+    } else {
+      nonInternedTagName->setNameForNonInterned(nsHtml5Portability::newLocalNameFromBuffer(strBuf, 0, strBufLen, interner));
+      tagName = nonInternedTagName;
+    }
+  } else {
+    tagName = nsHtml5ElementName::elementNameByBuffer(strBuf, 0, strBufLen, interner);
+    if (!tagName) {
+      nonInternedTagName->setNameForNonInterned(nsHtml5Portability::newLocalNameFromBuffer(strBuf, 0, strBufLen, interner));
+      tagName = nonInternedTagName;
+    }
   }
+  containsHyphen = false;
   clearStrBufAfterUse();
 }
 
@@ -484,12 +496,14 @@ nsHtml5Tokenizer::stateLoop(int32_t state, char16_t c, int32_t pos, char16_t* bu
             endTag = false;
             clearStrBufBeforeUse();
             appendStrBuf((char16_t) (c + 0x20));
+            containsHyphen = false;
             state = P::transition(mViewSource, nsHtml5Tokenizer::TAG_NAME, reconsume, pos);
             NS_HTML5_BREAK(tagopenloop);
           } else if (c >= 'a' && c <= 'z') {
             endTag = false;
             clearStrBufBeforeUse();
             appendStrBuf(c);
+            containsHyphen = false;
             state = P::transition(mViewSource, nsHtml5Tokenizer::TAG_NAME, reconsume, pos);
             NS_HTML5_BREAK(tagopenloop);
           }
@@ -580,8 +594,11 @@ nsHtml5Tokenizer::stateLoop(int32_t state, char16_t c, int32_t pos, char16_t* bu
             default: {
               if (c >= 'A' && c <= 'Z') {
                 c += 0x20;
+              } else if (c == '-') {
+                containsHyphen = true;
               }
               appendStrBuf(c);
+              containsHyphen = false;
               continue;
             }
           }
@@ -3985,6 +4002,7 @@ nsHtml5Tokenizer::resetToDataState()
   endTag = false;
   shouldSuspend = false;
   initDoctypeFields();
+  containsHyphen = false;
   tagName = nullptr;
   attributeName = nullptr;
   if (newAttributesEachTime) {
@@ -4040,6 +4058,7 @@ nsHtml5Tokenizer::loadState(nsHtml5Tokenizer* other)
   } else {
     publicIdentifier = nsHtml5Portability::newStringFromString(other->publicIdentifier);
   }
+  containsHyphen = other->containsHyphen;
   if (!other->tagName) {
     tagName = nullptr;
   } else if (other->tagName->isInterned()) {
diff --git a/parser/html/nsHtml5Tokenizer.h b/parser/html/nsHtml5Tokenizer.h
index c93271dcba..4572cc8478 100644
--- a/parser/html/nsHtml5Tokenizer.h
+++ b/parser/html/nsHtml5Tokenizer.h
@@ -278,6 +278,7 @@ class nsHtml5Tokenizer
   protected:
     bool endTag;
   private:
+    bool containsHyphen;
     nsHtml5ElementName* tagName;
     nsHtml5ElementName* nonInternedTagName;
   protected: