From e606355ed2f855b6aae0de97218b734f36a1a82f Mon Sep 17 00:00:00 2001
From: "rbs%maths.uq.edu.au" <rbs%maths.uq.edu.au>
Date: Fri, 23 Feb 2001 12:49:38 +0000
Subject: [PATCH] Declare atoms, update css rules, init a variable to zero -
 sr=waterson

---
 layout/mathml/content/src/mathml.css          | 64 +++++++++++--------
 layout/mathml/content/src/nsMathMLAtomList.h  |  8 +--
 .../mathml/content/src/nsMathMLOperators.cpp  |  2 +-
 3 files changed, 43 insertions(+), 31 deletions(-)

diff --git a/layout/mathml/content/src/mathml.css b/layout/mathml/content/src/mathml.css
index fff7a28c10b..d37dbdeb01f 100644
--- a/layout/mathml/content/src/mathml.css
+++ b/layout/mathml/content/src/mathml.css
@@ -31,17 +31,17 @@
 /* <math> - outermost math element                     */
 /*******************************************************/
 
-math, math[mode="inline"] {
-/*  font-style: normal; */
+math {
   font-size: inherit;
+  font-style: normal;
   font-family: CMSY10, CMEX10, Symbol, Times, Lucida Sans Unicode, MT Extra, Math1, Math2, Math3, Math4, Math5, serif;
+}
+
+math[mode="inline"] {
   display: inline;
 }
 
 math[mode="display"] {
-/*  font-style: normal; */
-  font-size: inherit;
-  font-family: CMSY10, CMEX10, Symbol, Times, Lucida Sans Unicode, MT Extra, Math1, Math2, Math3, Math4, Math5, serif;
   display: block;
   text-align: center;
 }
@@ -135,7 +135,7 @@ merror {
 mtable {
   display: table;
   border-spacing: 0.8em 1.0ex; /* horizontal vertical */
-  border-collapse: separate;
+  border-collapse: separate; /* 'collapse' is blocked by bug 49490 */
   margin-left: -0.4em;
   margin-right: -0.8em;
   margin-top: -1.0ex;
@@ -209,23 +209,47 @@ mi {
   font-style: italic;
 }
 
-mstyle[fontstyle="normal"] mi {
+[-moz-math-font-style="normal"] {
   font-style: normal;
 }
 
-:-moz-math-font-style-normal {
-  font-style: normal;
-}
 
 /* change of size induced by changing the scriptlevel */
 
-:-moz-math-font-size-smaller {
-  font-size: smaller;
+[-moz-math-font-size="+1"] {
+  font-size: 71%;
+}
+[-moz-math-font-size="+2"] {
+  font-size: 50%;
+}
+[-moz-math-font-size="+3"] {
+  font-size: 36%;
+}
+[-moz-math-font-size="+4"] {
+  font-size: 25%;
+}
+[-moz-math-font-size="+5"] {
+  font-size: 18%;
+}
+[-moz-math-font-size="scriptminsize"] {
+  font-size: 8pt;
+}
+[-moz-math-font-size="-1"] {
+  font-size: 141%;
+}
+[-moz-math-font-size="-2"] {
+  font-size: 200%;
+}
+[-moz-math-font-size="-3"] {
+  font-size: 283%;
+}
+[-moz-math-font-size="-4"] {
+  font-size: 400%;
+}
+[-moz-math-font-size="-5"] {
+  font-size: 566%;
 }
 
-:-moz-math-font-size-larger {
-  font-size: larger;
-}
 
 /* style used for stretchy symbols */
 
@@ -247,16 +271,6 @@ mstyle[fontstyle="normal"] mi {
 /* They may go away at any time                                           */
 /**************************************************************************/
 
-math {
-/*   font-weight: bold; */
-/*  font-size: 24pt; */
-}
-
-/*
-p {
-  display: block;
-}
-*/
 
 [background="yellow"] {
    background-color: yellow;
diff --git a/layout/mathml/content/src/nsMathMLAtomList.h b/layout/mathml/content/src/nsMathMLAtomList.h
index 6a5bafd8c85..54007597425 100644
--- a/layout/mathml/content/src/nsMathMLAtomList.h
+++ b/layout/mathml/content/src/nsMathMLAtomList.h
@@ -38,11 +38,8 @@
 
  ******/
 
-
-MATHML_ATOM(fontsize_smaller, ":-moz-math-font-size-smaller")
-MATHML_ATOM(fontsize_larger, ":-moz-math-font-size-larger")
-
-MATHML_ATOM(fontstyle_normal, ":-moz-math-font-style-normal")
+MATHML_ATOM(fontsize, "-moz-math-font-size") // different from fontsize_
+MATHML_ATOM(fontstyle, "-moz-math-font-style") // different from fontstyle_
 MATHML_ATOM(fontstyle_stretchy, ":-moz-math-font-style-stretchy")
 MATHML_ATOM(fontstyle_anonymous, ":-moz-math-font-style-anonymous")
 
@@ -103,6 +100,7 @@ MATHML_ATOM(factorial_, "factorial")
 MATHML_ATOM(fence_, "fence")
 MATHML_ATOM(fn_, "fn")
 MATHML_ATOM(fontfamily_, "fontfamily")
+MATHML_ATOM(fontsize_, "fontstyle")
 MATHML_ATOM(fontstyle_, "fontstyle")
 MATHML_ATOM(forall_, "forall")
 MATHML_ATOM(form_, "form")
diff --git a/layout/mathml/content/src/nsMathMLOperators.cpp b/layout/mathml/content/src/nsMathMLOperators.cpp
index 73c6d0266ca..eb2da105128 100644
--- a/layout/mathml/content/src/nsMathMLOperators.cpp
+++ b/layout/mathml/content/src/nsMathMLOperators.cpp
@@ -483,7 +483,7 @@ nsMathMLOperators::IsMutableOperator(const nsString& aOperator)
   if (gOperatorTable) {
     // Lookup with form=0 will put all the variants in gOperatorFound[]
     float dummy;
-    nsOperatorFlags flags;
+    nsOperatorFlags flags = 0;
     LookupOperator(aOperator, 0, &flags, &dummy, &dummy);
     // if the operator was found, gOperatorFound contains all the variants
     // of the operator. check if there is one that meets the criteria