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From: Jilles Tjoelker <jilles@FreeBSD.org>
Date: Thu, 28 Oct 2010 22:34:49 +0000 (UTC)
To: cvs-src-old@freebsd.org
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Subject: cvs commit: src/bin/sh parser.c
 src/tools/regression/bin/sh/expansion plus-minus5.0
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jilles      2010-10-28 22:34:49 UTC

  FreeBSD src repository

  Modified files:
    bin/sh               parser.c 
  Added files:
    tools/regression/bin/sh/expansion plus-minus5.0 
  Log:
  SVN rev 214492 on 2010-10-28 22:34:49Z by jilles
  
  sh: Only accept a '}' inside ${v+-=?...} if double-quote state matches.
  If double-quote state does not match, treat the '}' literally.
  
  This ensures double-quote state remains the same before and after a
  ${v+-=?...} which helps with expand.c.
  
  It makes things like
    ${foo+"\${bar}"}
  which I have seen in the wild work as expected.
  
  Exp-run done by:        pav (with some other sh(1) changes)
  
  Revision  Changes    Path
  1.94      +4 -4      src/bin/sh/parser.c
  1.1       +31 -0     src/tools/regression/bin/sh/expansion/plus-minus5.0 (new)