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Groups > linux.kernel > #1607209

Re: [PATCH] checkpatch: Allow space leading blank lines in email headers

From Joe Perches <joe@perches.com>
Newsgroups linux.kernel
Subject Re: [PATCH] checkpatch: Allow space leading blank lines in email headers
Date 2017-03-23 08:50 +0100
Message-ID <to5Fp-7vn-29@gated-at.bofh.it> (permalink)
References <to5Fo-7vn-11@gated-at.bofh.it> <to5Fo-7vn-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, 2017-03-22 at 23:20 -0700, Darren Hart wrote:
> I do have an open question regarding how we're going about testing for the end
> of the header lines. Since we're not just testing for an empty line to separate
> headers and body, there is clearly more going on here - but I'm not sure what it
> is ... so I can't be sure this doesn't have an unintended consequence.
> 
> > +		      $rawline =~ /^(?:commit\b|from\b|[\w-]+:)/i)) {
> 
> This appears to be an unrelated change, introducing the non-capturing-group
> (?:) and dropping the superfluous .*$ postfix. Did I get that right?

Exactly right.

The capturing of the initial bit of the match and
testing of the rest of the line is simply unnecessary.

I frequently make localized changes like that when I
notice them.  It's not a problem.

cheers, Joe

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Thread

Re: [PATCH] checkpatch: Allow space leading blank lines in email  headers Darren Hart <dvhart@infradead.org> - 2017-03-23 08:50 +0100
  Re: [PATCH] checkpatch: Allow space leading blank lines in email  headers Joe Perches <joe@perches.com> - 2017-03-23 08:50 +0100
    Re: [PATCH] checkpatch: Allow space leading blank lines in email  headers Darren Hart <dvhart@infradead.org> - 2017-03-23 17:00 +0100

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