Non-capturing groups are useful because they have better runtime
performance and do not copy strings to the magic global capture
variables.

Signed-off-by: Jakub Narebski <jnareb@gmail.com>
---
"Perl Best Practices", section 12.14. Capturing Parentheses (Use
capturing parentheses only when you intend to capture.)

 gitweb/gitweb.perl |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index beb79ee..097bd18 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -828,7 +828,7 @@ if (!defined $action) {
 if (!defined($actions{$action})) {
 	die_error(400, "Unknown action");
 }
-if ($action !~ m/^(opml|project_list|project_index)$/ &&
+if ($action !~ m/^(?:opml|project_list|project_index)$/ &&
     !$project) {
 	die_error(400, "Project needed");
 }

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