Documentation: unbreak regex in show-ref manual

I am not sure why, but the regular expression "(?:\^\{\})" gets
rendered by asciidoc as "(?:\{})".  The intent seems to be a regex
matching the literal string "^{}", so this rewrites the markup to
produce "(?:\^{})" as output.

Cc: Julian Phillips <julian@quantumfyre.co.uk>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/asciidoc.conf b/Documentation/asciidoc.conf
index 6be8ba32505e53809477f07529cc5c7638bd20fe..b5f0f29d1f736f2e6a0c544d682b973b95420191 100644 (file)
--- a/Documentation/asciidoc.conf
+++ b/Documentation/asciidoc.conf
@@ -16,6 +16,7 @@ plus=+
 caret=^
 startsb=[
 endsb=]
+backslash=\
 tilde=~
 apostrophe='
 backtick=`

diff --git a/Documentation/git-show-ref.txt b/Documentation/git-show-ref.txt
index 75780d7d63894e220bf938da0b4f5dca40d6301d..4696af743321d78d9e1d17115d29222f17cb4d55 100644 (file)
--- a/Documentation/git-show-ref.txt
+++ b/Documentation/git-show-ref.txt
@@ -73,8 +73,8 @@ OPTIONS
 --exclude-existing[=<pattern>]::
 
        Make 'git show-ref' act as a filter that reads refs from stdin of the
-       form "^(?:<anything>\s)?<refname>(?:\^\{\})?$" and performs the
-       following actions on each:
+       form "^(?:<anything>\s)?<refname>(?:{backslash}{caret}\{\})?$"
+       and performs the following actions on each:
        (1) strip "^{}" at the end of line if any;
        (2) ignore if pattern is provided and does not head-match refname;
        (3) warn if refname is not a well-formed refname and skip;