[patch] testsuite/testing.sh: tidyups

Fri May 2 09:25:32 PDT 2008

A previous 'optionflag' function seems to have been renamed to 'optional',
but the documentation remained unchanged.

Empty string variables can be set like this:

  SKIP=
  SKIP=''
  SKIP=""

Better not mix them, so I just fixed another non-problem ;-)

General idea seems to be that positional parameters should be quote
protected.

Cheers,

-- 
Cristian
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