view i18n/polib.LICENSE @ 25214:08703b10c3ae

match: add optional warn argument

Occasionally the matcher will want to print warning messages instead of throwing
exceptions (like if it encounters a bad syntax parameter when parsing files).
Let's add an optional warn argument that can provide this. The next patch will
actually use this argument.

copyright (c) 2006-2010 David JEAN LOUIS

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