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Erroneous assumption in isblank.c


From: John Darrington
Subject: Erroneous assumption in isblank.c
Date: Tue, 5 Oct 2010 06:39:16 +0000
User-agent: Mutt/1.5.18 (2008-05-17)

In lib/isblank.c I see the following:

 /* The "blank" characters are '\t', ' ',
     U+1680, U+180E, U+2000..U+2006, U+2008..U+200A, U+205F, U+3000, and none
     except the first two is present in a common 8-bit encoding.  Therefore
     the substitute for other platforms is not more complicated than this.  */
  return (c == ' ' || c == '\t');

This is incorrect.  In iso-8859-1 (a very common 8-bit encoding), U+00A0 is the
non-breaking-space character.  

So unfortunately, isblank fails to correctly detect such a character.

J'


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