Hmm, wasn't there talk that re-applying the same patch, but reversed,
would be handled as a revert?  Maybe I misremember.

This here seems... unexpected:

$ got patch ~/ng.diff3    # one of Mark's tog nG diffs
G  tog/tog.1
G  tog/tog.c
$ got patch -R ~/ng.diff3
#  tog/tog.1
@@ -93,10 +93,6 @@ hunk failed to apply
#  tog/tog.c
@@ -516,7 +516,6 @@ hunk failed to apply
got: patch failed to apply

-- 
Christian "naddy" Weisgerber                          naddy@mips.inka.de