Documentation: rerere's rr-cache auto-creation and rerere.enabled

The description of rerere.enabled left the user in the dark as to who might create an rr-cache directory. Add a note that simply invoking rerere does this. Signed-off-by: Junio C Hamano <gitster@pobox.com>

Junio C Hamano committed Jan 10, 2012 at 15:57 UTC b6fb7fed6afca3376e4cdd70c9fe9737bcd73a6e
1 file changed +2 -1
Documentation/config.txt
+2 -1
@@ -1703,7 +1703,8 @@ rerere.enabled::
1703 conflict hunks can be resolved automatically, should they be
1704 encountered again. By default, linkgit:git-rerere[1] is
1705 enabled if there is an `rr-cache` directory under the
1706 - `$GIT_DIR`.
1706 + `$GIT_DIR`, e.g. if "rerere" was previously used in the
1707 + repository.
1708
1709 sendemail.identity::
1710 A configuration identity. When given, causes values in the