The "--" is necessary to avoid confusion with the *branch* named
'gitk'
-
-Author
-------
-Written by Linus Torvalds <torvalds@osdl.org> and
-Junio C Hamano <gitster@pobox.com>
-
-
-Documentation
---------------
-Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel.org>.
-
GIT
---
Part of the linkgit:git[1] suite