This question about Missing functionality: Asked
Feature: use revision in ApprovalHistory
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HenrySeventyEight - 02 Jul 2012
To be able to use $rev in APPROVALHISTORY, change
ApprovalPlugin.pm like this:
<pre>
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+ my $rev = (Foswiki::Func::getRevisionInfo($web,$topic))[2];
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+ $fmt =~ s/\$rev/$rev/geo;
</pre>