[Trac-tickets] [The Trac Project] #1818: Internal error on preview when having an empty heading

[The Trac Project]

#1818: Internal error on preview when having an empty heading
--------------------+-------------------------------------------------------
       Id:  1818    |      Status:  new                     
Component:  wiki    |    Modified:  Fri Jul 22 02:32:57 2005
 Severity:  normal  |   Milestone:                          
 Priority:  normal  |     Version:                          
    Owner:  jonas   |    Reporter:  robert at cheramy.net      
--------------------+-------------------------------------------------------
 To reproduce, go on the sandbox, edit, at the bottom of the textarea, just
 click on the "Heading" icon, an preview.

 Here is the traceback:

 {{{
 Oops...
 Trac detected an internal error:
 string index out of rangeIf you think this really should work and you can
 reproduce it. Then you should consider to report this problem to the Trac
 team.

 Go to http://trac.edgewall.com/ and create a new ticket where you describe
 the problem, how to reproduce it. Don't forget to include the python
 traceback found below.

 TracGuide — The Trac User and Administration Guide

 Python traceback
 Traceback (most recent call last):
   File "/usr/lib/python2.3/site-packages/trac/ModPythonHandler.py", line
 200, in handler
     core.dispatch_request(mpr.path_info, mpr, env)
   File "/usr/lib/python2.3/site-packages/trac/core.py", line 453, in
 dispatch_request
     module.run(req)
   File "/usr/lib/python2.3/site-packages/trac/Module.py", line 46, in run
     self.render(req)
   File "/usr/lib/python2.3/site-packages/trac/Wiki.py", line 148, in
 render
     self._render_editor(req, pagename, 1)
   File "/usr/lib/python2.3/site-packages/trac/Wiki.py", line 266, in
 _render_editor
     info['page_html'] = wiki_to_html(page.text, req.hdf, self.env,
 self.db)
   File "/usr/lib/python2.3/site-packages/trac/WikiFormatter.py", line 619,
 in wiki_to_html
     Formatter(hdf, env, db, absurls).format(wikitext, out)
   File "/usr/lib/python2.3/site-packages/trac/WikiFormatter.py", line 596,
 in format
     result = re.sub(rules, self.replace, line)
   File "/usr/lib/python2.3/sre.py", line 143, in sub
     return _compile(pattern, 0).sub(repl, string, count)
   File "/usr/lib/python2.3/site-packages/trac/WikiFormatter.py", line 67,
 in replace
     return getattr(self, '_' + itype + '_formatter')(match, fullmatch)
   File "/usr/lib/python2.3/site-packages/trac/WikiFormatter.py", line 385,
 in _heading_formatter
     if anchor[0].isdigit():
 IndexError: string index out of range
 }}}

-- 
Ticket URL: <http://projects.edgewall.com/trac/ticket/1818>
The Trac Project <>