Steps to reproduce the problem:
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1. find a command that takes a revision parameter (say 'approve';
http://www.monotone.ca/docs/Review.html#Review)
2. try to find the full syntax of the 'rev' parameter
Expected result:
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just click on 'rev'
Actual results:
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no clickable cross-references available
Reported by Stephen Leake, Jun 12, 2011