My initial port of this wasn't great, this is much better.
Testing Done:
sent messages between pidgin2 with gkdr/carbons, conversations on my phone, and pidgin3. I sent messages from all clients and received them on all three clients.
Reviewed at https://reviews.imfreedom.org/r/462/
/*
* Purple - Replace certain misspelled words with their correct form.
*
* Signification changes were made by Benjamin Kahn ("xkahn") and
* Richard Laager ("rlaager") in April 2005--you may want to contact
* them if you have questions.
*
* Pidgin is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*
*/
/*
* A lot of this code (especially the config code) was taken directly
* or nearly directly from xchat, version 1.4.2 by Peter Zelezny and others.