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[bug-gettext] Recognition of C++11 literal operator

From: Jan Engelhardt
Subject: [bug-gettext] Recognition of C++11 literal operator
Date: Mon, 17 Feb 2014 16:53:50 +0100 (CET)
User-agent: Alpine 2.11 (LSU 23 2013-08-11)

Section 15.5.1 of gettext(-'s documentation (gettext.info)
has to say in summary:

        String syntax
        gettext shorthand

The C++2011 literal operator provides an interesting stylistic way
of invoking a function on a string without having to use parentheses.
For example:

#include <cstdio>
#include <libintl.h>
static const char *operator"" _tl(const char *s, size_t)
        return gettext(s);
int main(void)
        printf("Hello world\n"_tl);
        return 0;

It does not look like xgettext has a way to specify the suffix
and extract the string, short of using the -a option. (RFE)

Additionally, xgettext stumbles upon the operator"" keyword itself (as a 
result of -a), which does not mean what xgettext thinks it means:

stl.cpp:3: warning: Empty msgid.  It is reserved by GNU gettext:
                    gettext("") returns the header entry with
                    meta information, not the empty string.

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