K 10
svn:author
V 4
grog
K 8
svn:date
V 27
2011-11-09T01:40:46.829508Z
K 7
svn:log
V 277
Tidy up command line processing:
  - Add ? option to optstring.
  - Sort options alphabetically.
  - Vertical space.

Tidy up usage() function.

Bring man page in sync with source.

Ensure that debug code is only executed with the -d option.

Submitted by: Christiane Yeardley

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