fix an exception in gpg.py with multiples sigs for the same cset
- silly error, do not overwrite the variable we use for iterating
- correct 'hg help sign'
#!/bin/sh
hg init
touch unknown
touch a
hg add a
hg ci -m "1" -d "0 0"
touch b
hg add b
hg ci -m "2" -d "0 0"
echo %% Should show unknown
hg status
hg revert -r 0
echo %% Should show unknown and b removed
hg status
echo %% Should show a and unknown
ls