From 3059604359cc2478779e7527aca5b2fd5ca32a52 Mon Sep 17 00:00:00 2001
From: Toks <tttoksss@gmail.com>
Date: Fri, 28 Jun 2013 10:55:20 -0400
Subject: [PATCH] improve #1752 fix

---
 app/assets/javascripts/posts.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/app/assets/javascripts/posts.js b/app/assets/javascripts/posts.js
index 2dbdd4d9e..26721de52 100644
--- a/app/assets/javascripts/posts.js
+++ b/app/assets/javascripts/posts.js
@@ -71,11 +71,14 @@
         }
 
         var term = before_caret_text.match(/\S+/g).pop();
-        var prefixes = /^(?:-|~|general:|gen:|artist:|art:|copyright:|copy:|co:|character:|char:|ch:)(.+)$/
+        var prefixes = /^(?:-|~|general:|gen:|artist:|art:|copyright:|copy:|co:|character:|char:|ch:)(.*)$/
         var match = term.match(prefixes);
         if (match) {
           term = match[1];
         }
+        if (term === "") {
+          return;
+        }
 
         $.ajax({
           url: "/tags.json",