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date	2006.01.31.11.11.43;	author TWikiContributor;	state Exp;
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@---+ Package =TWiki::I18N::Extract=

Support translatable strings extraction from TWiki topics and templates.
Depends on Locale::Maketext::Extract (part of CPAN::Locale::Maketext::Lexicon).


%TOC%

---++ ClassMethod *new* <tt>($session) -> $extract</tt>

Constructor. Creates a fresh new Extract object. A $session object, instance of
the TWiki class, is optional: if it's available, it'll be used for printing
warnings.



---++ ObjectMethod *extract* <tt>($msgid) -> $formated</tt>

This method overrides the one with same name in =Locale::Maketext::Extract=, as
a workaround for [[http://rt.cpan.org/Public/Bug/Display.html?id=14629][a bug]]
in the =Locale::Maketext::Lexicon= Perl package, and was not fixed up to the
0.53 release.

What it does is to call an alternative version of the _format function, which
avoids [[http://develop.twiki.org/~develop/cgi-bin/view/Bugs/Item1500][double-escaping]]
the extracted strings.

This method was tested only under the circumstances of TWiki's needs, i.e.,
extracting strings from source and topics and generating a brand new POT file.
Merging with previous PO files is done with GNU gettext tools, so maybe if it's
used for merging it can 

Once that bug is fixed, in future TWiki versions this method may be removed.



!!!extract!!!
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