Elaborate on why ':' is a bad idea in a ref name.
With the new cat-file syntax of 'v1.3.3:refs.c' we should mention
it as part of the reason why ':' is not permitted in a ref name.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
diff --git a/Documentation/git-check-ref-format.txt b/Documentation/git-check-ref-format.txt
index 7dc1bdb..3ea720d 100644
--- a/Documentation/git-check-ref-format.txt
+++ b/Documentation/git-check-ref-format.txt
@@ -45,6 +45,8 @@
. colon `:` is used as in `srcref:dstref` to mean "use srcref\'s
value and store it in dstref" in fetch and push operations.
+ It may also be used to select a specific object such as with
+ gitlink:git-cat-file[1] "git-cat-file blob v1.3.3:refs.c".
GIT
