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Re: gnulib-tool bug


From: Paolo Bonzini
Subject: Re: gnulib-tool bug
Date: Sat, 28 Feb 2009 11:15:01 +0100
User-agent: Thunderbird 2.0.0.19 (Macintosh/20081209)

Bruno Haible wrote:
> Eric Blake wrote:
>>> This looks like a bug to me: \\ expands to nothing. No way to produce a
>>> backslash in the replacement.
>> I concur.
> 
> Thanks. So I'm disabling --posix. Patch appended.
> 
>> "... For each other <backslash> encountered, the following 
>> character shall lose its special meaning (if any). The meaning of a 
>> <backslash> 
>> immediately followed by any character other than ’&’, <backslash>, a digit, 
>> or 
>> the delimiter character used for this command, is unspecified."
>>
>> Thus, 's,^,\/,', is non-portable.
> 
> Thanks for explaining. So the third of the mentioned sed expressions is not
> POSIX compliant. Fixing it, as attached.

FWIW, the bug mentioned earlier in the thread is already fixed in git sed.

Paolo




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