Simon Wilkinson d0d8b391b0 cmd: Add support for params with optional values
Add the CMD_SINGLE_OR_FLAG option which permits a parameter to
either have a single value, or no value at all. If it has no value,
then it behaves in the same way as the current 'flag' implementation.

Change-Id: I49cf313f1d3b9c369f87b1ff66bfcc038b8aa08a
Reviewed-on: http://gerrit.openafs.org/4545
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
2011-04-27 12:08:03 -07:00
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