[Bug 288930] Threading by subject: Subject Prefixes not case-insensitive

Thu Dec 15 02:29:29 GMT 2011

https://bugs.kde.org/show_bug.cgi?id=288930

--- Comment #8 from Bernd Oliver Sünderhauf <pancho kriko org>  2011-12-15 02:29:29 ---
@Torgny:
Thanks. This looks good.
However, MessageComposer::MessageHelper::replacePrefixes() duplicates quite
some code of MessageCore::StringUtil::stripOffPrefixes(), which contributed to
this bug slipping through. It might be a good idea to consolidate these two
functions.
Otherwise this should be fixed.

@Laurent:
Of course, it's not possible to make messagelist thread only by subject.
However, if there is no exact match (In-Reply-To) and References don't help
either, messagelist falls back on by-subject threading.
This might look like a rare scenario, but is in fact the predominant case, if
interacting a lot with people using Microsoft Outlook.
Creating separate new mails with faked Re-prefixes (as proposed above) is just
a way to reproduce this situation without using Outlook.

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