Last modified: 2011-01-25 01:30:14 UTC
Per community consensous please add this line to the config of dewiki: $wgDefaultUserOptions ['forceeditsummary'] = 1;
*** Bug 17513 has been marked as a duplicate of this bug. ***
This has been completed and pushed live (thanks to a nudge in IRC ;)
Note this was asked to be disabled per bug 19208; it's been replaced with an AbuseFilter filter.