Index: collapse_text.module
===================================================================
--- collapse_text.module	(revision 6448)
+++ collapse_text.module	(working copy)
@@ -163,6 +163,13 @@
     $tag
   );
   
+  // fix quotes
+  $tag = preg_replace(
+    '/( [a-zA-Z]+=)"(.*?)"/',
+    '\1"\2"',
+    $tag
+  );
+
   // fix the style element. going forward, we prefer "class=".
   $tag = preg_replace(
     '/ style=([^"].*?)(?= collapsed=| title=|\])/i',