For the manpage, avoid generating an em dash in code.
Signed-off-by: Ralf Wildenhues <redacted>
Signed-off-by: Shawn O. Pearce <redacted>
The "--" is necessary to avoid confusion with the *branch* named
'gitk'
-gitk --max-count=100 --all -- Makefile::
+gitk --max-count=100 --all \-- Makefile::
Show at most 100 changes made to the file 'Makefile'. Instead of only
looking for changes in the current branch look in all branches.