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This patch is in response to 1165404, which I was reviewing. It turns out I actually rather like the idea, since it would have made my life easier in a current project to not have to totally roll my own ConfigParser to read an external configuration file. So!
I updated the previous patch to apply against the current HEAD, and then added some documentation and test cases (and made sure it didn't break existing test cases)
I did alter the previously proposed API a touch too; 'delimiters' instead of 'delimiter' as its taking a list, and to actually take a sequence instead of a string containing characters because IMHO it just looks cleaner. Passing in ":=" as indicating either : or = are delimiters looks odd ot me (Hi, Pascal), it looks like it'd make the _string_ of ":=" the delimiter. I also adjusted the names slightly to fit into the style of the module. ('_delimiter' instead of 'delim').
I also updated the docstring on the module to document dict_type being an option (it wasn't before)
My text editor seems to think the documentation is OK LaTeX-- but until uh, two days ago, I never touched LaTeX, so someone should eye that :)