Specifying one or more <pattern> parameters is optional when calling
show-ref, so mark them as such using brackets in the manual.
Signed-off-by: Holger Weiß <holger@zedat.fu-berlin.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
[verse]
'git show-ref' [-q|--quiet] [--verify] [--head] [-d|--dereference]
[-s|--hash[=<n>]] [--abbrev[=<n>]] [--tags]
- [--heads] [--] <pattern>...
+ [--heads] [--] [<pattern>...]
'git show-ref' --exclude-existing[=<pattern>] < ref-list
DESCRIPTION