Tweaked the error message from idrfc.views_doc._get_html() so it doesn't look like reading a file name containing commas has been attempted.

 - Legacy-Id: 2027

Author: levkowetz

ietf/idrfc/views_doc.py

@@ -64,7 +64,7 @@ def _get_html(key, filename):
         f = open(filename, 'rb')
         raw_content = f.read()
     except IOError:
-        return ("Error; cannot read "+key, "")
+        return ("Error; cannot read ("+key+")", "")
     finally:
         if f:
             f.close()