Make sure svg is defined before using its width

dpvc · dpvc · commit 214a23050495 · 2014-05-06T07:00:29.000-04:00
diff --git a/unpacked/jax/output/SVG/autoload/multiline.js b/unpacked/jax/output/SVG/autoload/multiline.js
@@ -336,7 +336,7 @@ MathJax.Hub.Register.StartupHook("SVG Jax Ready",function () {
         if (state.last && svg.X) {svg.X = 0}
         line.Add(svg,line.w,0,true);
       }
-      if (state.first && svg.w === 0) {state.nextIsFirst = true}
+      if (state.first && svg && svg.w === 0) {state.nextIsFirst = true}
         else {delete state.nextIsFirst}
     }
   });

Original file line number	Diff line number	Diff line change
`@@ -336,7 +336,7 @@ MathJax.Hub.Register.StartupHook("SVG Jax Ready",function () {`
`336`	`336`	`if (state.last && svg.X) {svg.X = 0}`
`337`	`337`	`line.Add(svg,line.w,0,true);`
`338`	`338`	`}`
`339`		`- if (state.first && svg.w === 0) {state.nextIsFirst = true}`
	`339`	`+ if (state.first && svg && svg.w === 0) {state.nextIsFirst = true}`
`340`	`340`	`else {delete state.nextIsFirst}`
`341`	`341`	`}`
`342`	`342`	`});`