gitweb: Add support for grep searches

The 'grep' type of search greps the currently selected tree for given
regexp and shows the results in a fancy table with links into blob view.
The number of shown matches is limited to 1000 and the whole feature
can be turned off (grepping linux-2.6.git already makes repo.or.cz a bit
unhappy).

This second revision makes it in documentation explicit that grep accepts
regexps, and makes grep accept extended regexps instead of basic regexps.

Signed-off-by: Petr Baudis <pasky@suse.cz>
Signed-off-by: Junio C Hamano <junkio@cox.net>

1 files changed, 4 insertions, 0 deletions

diff --git a/gitweb/gitweb.css b/gitweb/gitweb.css
index 02623cbb6..9f0822fab 100644
--- a/gitweb/gitweb.css
+++ b/gitweb/gitweb.css
@@ -484,3 +484,7 @@ span.atnight {
 span.match {
 	color: #e00000;
 }
+
+div.binary {
+	font-style: italic;
+}