doc: config, tell readers of `git help --config`

The `git help` command gained the ability to list config variables in 3ac68a93fd (help: add --config to list all available config, 2018-05-26) but failed to tell readers of the config documenation itself. Provide that cross reference. Signed-off-by: Philip Oakley <philipoakley@iee.email> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Philip Oakley committed Sep 13, 2021 at 22:23 UTC ae578de926ef4323c0b6f0748616ee2a569667ac
1 file changed +3
Documentation/git-config.txt
+3
@@ -71,6 +71,9 @@ codes are:
71
72 On success, the command returns the exit code 0.
73
74 +A list of all available configuration variables can be obtained using the
75 +`git help --config` command.
76 +
77 [[OPTIONS]]
78 OPTIONS
79 -------