From 48c3785991f789f34171dfd687b30664c8915a73 Mon Sep 17 00:00:00 2001
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Tue, 15 Jan 2013 19:44:21 +0000
Subject: [PATCH] Underscores are allowed in project identifiers (#9225).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11195 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 public/javascripts/project_identifier.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/public/javascripts/project_identifier.js b/public/javascripts/project_identifier.js
index bfbce3cbe..298ca38f2 100644
--- a/public/javascripts/project_identifier.js
+++ b/public/javascripts/project_identifier.js
@@ -51,8 +51,8 @@ function generateProjectIdentifier(identifier, maxlength) {
   for(var i=0; i<diacriticsMap.length; i++) {
     identifier = identifier.replace(diacriticsMap[i].letters, diacriticsMap[i].base);
   }
-  identifier = identifier.replace(/[^a-z0-9]+/gi, '-'); // remaining non-alphanumeric => hyphen
-  identifier = identifier.replace(/^[-\d]*|-*$/g, ''); // remove hyphens and numbers at beginning and hyphens at end
+  identifier = identifier.replace(/[^a-z0-9_]+/gi, '-'); // remaining non-alphanumeric => hyphen
+  identifier = identifier.replace(/^[-_\d]*|[-_]*$/g, ''); // remove hyphens/underscores and numbers at beginning and hyphens/underscores at end
   identifier = identifier.toLowerCase(); // to lower
   identifier = identifier.substr(0, maxlength); // max characters
   return identifier;