#rcs => "git",
#historyurl => "http://git.example.org/gitweb.cgi?p=wiki.git;a=history;f=[[file]]",
#diffurl => "http://git.example.org/gitweb.cgi?p=wiki.git;a=blobdiff;h=[[sha1_to]];hp=[[sha1_from]];hb=[[sha1_parent]];f=[[file]]",
#rcs => "git",
#historyurl => "http://git.example.org/gitweb.cgi?p=wiki.git;a=history;f=[[file]]",
#diffurl => "http://git.example.org/gitweb.cgi?p=wiki.git;a=blobdiff;h=[[sha1_to]];hp=[[sha1_from]];hb=[[sha1_parent]];f=[[file]]",