Backed out changeset 3b9cc80b3ef0

browser/base/content/aboutSupport.xhtml

@@ -376,7 +376,7 @@ function generateTextForTextNode(node, indent, textFragmentAccumulator) {
 
   // Trim the text node's text content and add proper indentation after 
   // any internal line breaks.  
-  let text = node.textContent.trim().replace("\n", "\n" + indent, "g");
+  let text = node.textContent.trim().replace("\n[ \t]*", "\n" + indent);
   textFragmentAccumulator.push(text);
 }