Re: testsuite failures when test scripts are run with zsh

[Stefano Lattarini]

Hello automakers.

The final version of the patch is attached.

Sorry for the long delay, but being new to FreeeBSD I messed up things 
more than one time while runnning tests on that system.

The patched testsuite runs succesfully on Debian/Linux with
either bash, zsh 3 or zsh 4.  With heirloom-sh, only the test 
`vala4.test' fails, but this is not a regression (it fails on the 
master branch too).

On FreeBSD, there is no regression, but the following tests fails
both on the master branch and with the patched testsuite:
  FAIL: cscope.test (exit: 1)
  FAIL: man4.test (exit: 1)
  FAIL: silent8.test (exit: 1)
  FAIL: subpkg.test (exit: 1)
  FAIL: txinfo21.test (exit: 1)

Regards,
     Stefano

0001-Testsuite-avoid-Zsh-related-problem-with-set-x.patch
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