= Description =

If I set {{{ language_ignore_browser = True }}} in the configuration file. I receive an AttributeError error like {{{ 'NoneType' object has no attribute 'startswith' }}}. 

== Steps to reproduce ==
edit your config file and set:
{{{
    language_ignore_browser = True
}}}

== Example ==
##Add URL that show the bug, screenshot or test wiki markup that fail...

##URL: 

##attachment:screenshot.png

##{{{
##Example wiki markup that fail
##}}}

== Component selection ==

## Where you think is this bug happening ? (general, plugin [plugin name], theme [theme name], ...

 * general
 * configuration

== Details ==

## If you got a traceback, please save the traceback page as html and attach here:
 [[attachment:traceback.html]]

## if the bug is in this wiki, just kill the table and write: This Wiki.

## If a traceback is not available, please fill in the details here:
|| '''!MoinMoin Version''' || 1.6.0 ||
|| '''OS and Version''' || RedHat ||
|| '''Python Version''' || Python 2.5  ||
|| '''Server Setup''' || Farmconfig ||
|| '''Server Details''' || Moin Standalone Server / ThreadPoolServer ||
|| '''Language you are using the wiki in''' (set in the browser/UserPreferences) || DE (installed via SystemPagesSetup) ||

== Workaround ==
## How to deal with the bug until it is fixed
don't use ''language_ignore_browser''

= Discussion =

Breakage likely caused by: http://hg.moinmo.in/moin/1.6/rev/7da4c11b1888

= Plan =
## This part is for Moin``Moin developers:

 * Priority: 
 * Assigned to:
 * Status: fixed by [[attachment:langbug.patch]]. http://hg.moinmo.in/moin/1.6/rev/27254c7f5142, http://hg.moinmo.in/moin/1.7/rev/307abb1cf26a

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## If you are a moin core developer, replace the category to Category* in these cases:
## Category MoinMoinNoBug - if this is not a bug.
## Category MoinMoinBugConfirmed - if you can confirm the bug on current code.
## Category MoinMoinBugFixed - after the bug is fixed in current code.
CategoryMoinMoinBugFixed