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commit 1f013d76b32f7ef6f7b95cb05cef99cb257b474b
parent 6448c0ce914cae81bf4a1d3f54ff7cd6fec66d9e
Author: Davide P. Cervone <dpvc@union.edu>
Date:   Wed, 30 Oct 2013 10:03:01 -0700

Merge pull request #644 from dpvc/issue523

Resolves issue #523
Diffstat:
M
unpacked/jax/output/HTML-CSS/autoload/multiline.js
 | 
19
++++++++++++++-----
M
unpacked/jax/output/SVG/autoload/multiline.js
 | 
20
+++++++++++++++-----

2 files changed, 29 insertions(+), 10 deletions(-)
diff --git a/unpacked/jax/output/HTML-CSS/autoload/multiline.js b/unpacked/jax/output/HTML-CSS/autoload/multiline.js
@@ -160,13 +160,18 @@ MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready",function () {
         if (this.data[i]) {
           if (this.data[i].HTMLbetterBreak(info,state)) {
             better = true; index = [i].concat(info.index); W = info.W; w = info.w;
-            if (info.penalty === PENALTY.newline) {info.index = index; info.nest--; return true}
+            if (info.penalty === PENALTY.newline) {
+              info.index = index;
+              if (info.nest) {info.nest--}
+              return true;
+            }
           }
           scanW = (broken ? info.scanW : this.HTMLaddWidth(i,info,scanW));
         }
         info.index = []; i++; broken = false;
       }
-      info.nest--; info.index = index;
+      if (info.nest) {info.nest--}
+      info.index = index;
       if (better) {info.W = W; info.w = w}
       return better;
     },
@@ -407,13 +412,17 @@ MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready",function () {
         if (this.data[k]) {
           if (this.data[k].HTMLbetterBreak(info,state)) {
             better = true; index = [i].concat(info.index); W = info.W; w = info.w;
-            if (info.penalty === PENALTY.newline) {info.index = index; info.nest--; return true}
+            if (info.penalty === PENALTY.newline) {
+              info.index = index;
+              if (info.nest) {info.nest--}
+              return true}
           }
           scanW = (broken ? info.scanW : this.HTMLaddWidth(i,info,scanW));
         }
         info.index = []; i++; broken = false;
       }
-      info.nest--; info.index = index;
+      if (info.nest) {info.nest--}
+      info.index = index;
       if (better) {info.W = W; info.w = w}
       return better;
     },
@@ -542,7 +551,7 @@ MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready",function () {
       //  mrows for nesting, but can leave these unbalanced.
       //
       if (values.texClass === MML.TEXCLASS.OPEN) {info.nest++}
-      if (values.texClass === MML.TEXCLASS.CLOSE) {info.nest--}
+      if (values.texClass === MML.TEXCLASS.CLOSE && info.nest) {info.nest--}
       //
       //  Get the default penalty for this location
       //
diff --git a/unpacked/jax/output/SVG/autoload/multiline.js b/unpacked/jax/output/SVG/autoload/multiline.js
@@ -163,13 +163,18 @@ MathJax.Hub.Register.StartupHook("SVG Jax Ready",function () {
         if (this.data[i]) {
           if (this.data[i].SVGbetterBreak(info,state)) {
             better = true; index = [i].concat(info.index); W = info.W; w = info.w;
-            if (info.penalty === PENALTY.newline) {info.index = index; info.nest--; return true}
+            if (info.penalty === PENALTY.newline) {
+              info.index = index;
+              if (info.nest) {info.nest--}
+              return true;
+            }
           }
           scanW = (broken ? info.scanW : this.SVGaddWidth(i,info,scanW));
         }
         info.index = []; i++; broken = false;
       }
-      info.nest--; info.index = index;
+      if (info.nest) {info.nest--}
+      info.index = index;
       if (better) {info.W = W}
       return better;
     },
@@ -365,13 +370,18 @@ MathJax.Hub.Register.StartupHook("SVG Jax Ready",function () {
         if (this.data[k]) {
           if (this.data[k].SVGbetterBreak(info,state)) {
             better = true; index = [i].concat(info.index); W = info.W; w = info.w;
-            if (info.penalty === PENALTY.newline) {info.index = index; info.nest--; return true}
+            if (info.penalty === PENALTY.newline) {
+              info.index = index;
+              if (info.nest) {info.nest--}
+              return true;
+            }
           }
           scanW = (broken ? info.scanW : this.SVGaddWidth(i,info,scanW));
         }
         info.index = []; i++; broken = false;
       }
-      info.nest--; info.index = index;
+      if (info.nest) {info.nest--}
+      info.index = index;
       if (better) {info.W = W; info.w = w}
       return better;
     },
@@ -490,7 +500,7 @@ MathJax.Hub.Register.StartupHook("SVG Jax Ready",function () {
       //  mrows for nesting, but can leave these unbalanced.
       //
       if (values.texClass === MML.TEXCLASS.OPEN) {info.nest++}
-      if (values.texClass === MML.TEXCLASS.CLOSE) {info.nest--}
+      if (values.texClass === MML.TEXCLASS.CLOSE && info.nest) {info.nest--}
       //
       //  Get the default penalty for this location
       //