=== modified file 'src/errorpage.cc'
--- src/errorpage.cc	2013-02-12 11:34:35 +0000
+++ src/errorpage.cc	2013-03-07 21:45:41 +0000
@@ -381,17 +381,9 @@
     while (pos < hdr.size()) {
         char *dt = lang;
 
-        if (!pos) {
-            /* skip any initial whitespace. */
-            while (pos < hdr.size() && xisspace(hdr[pos]))
-                ++pos;
-        } else {
-            // IFF we terminated the tag on whitespace or ';' we need to skip to the next ',' or end of header.
-            while (pos < hdr.size() && hdr[pos] != ',')
-                ++pos;
-            if (hdr[pos] == ',')
-                ++pos;
-        }
+        /* skip any initial whitespace. */
+        while (pos < hdr.size() && xisspace(hdr[pos]))
+            ++pos;
 
         /*
          * Header value format:
@@ -422,6 +414,12 @@
         *dt = '\0'; // nul-terminated the filename content string before system use.
         ++dt;
 
+        // IFF we terminated the tag on whitespace or ';' we need to skip to the next ',' or end of header.
+        while (pos < hdr.size() && hdr[pos] != ',')
+            ++pos;
+        if (hdr[pos] == ',')
+            ++pos;
+
         debugs(4, 9, HERE << "STATE: dt='" << dt << "', lang='" << lang << "', pos=" << pos << ", buf='" << ((pos < hdr.size()) ? hdr.substr(pos,hdr.size()) : "") << "'");
 
         /* if we found anything we might use, try it. */