Hi,
These extra debugging informations (content of an InsensitivePreservingDict) can be useful (combined with patch #166 https://sourceforge.net/p/supybot/patches/166/, for instance)
https://github.com/ProgVal/Limnoria/commit/4a265a6ce9fb8b1fbf0ff555e67f248594eeba37
Regards,
Valentin