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Re: [bug-diffutils] bug: diff -r swaps the files it should check


From: Eric Blake
Subject: Re: [bug-diffutils] bug: diff -r swaps the files it should check
Date: Sat, 14 Aug 2010 12:10:29 -0600
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.7) Gecko/20100720 Fedora/3.1.1-1.fc13 Lightning/1.0b2pre Mnenhy/0.8.3 Thunderbird/3.1.1

On 08/14/2010 11:27 AM, Christoph Anton Mitterer wrote:
> btw:
> What's that ^L in the code?
>> +  return diff ? diff : file_name_cmp (*f1, *f2);
>>  }
>>  
>>  /* Compare the contents of two directories named in CMP.

GNU Coding Standards permit the use of a line containing just ^L as a
page separator between logical chunks of code within a single file (this
is also acceptable to C89; since ^L, aka '\f' or form-feed, falls under
the category of allowable whitespace).  It was originally used in the
days of old-style printers to force a new page; but still has use today
in making searching between related chunks of code a bit easier.

-- 
Eric Blake   address@hidden    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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