From 60414febee5fd14743fd80cad9d681c3027272dd Mon Sep 17 00:00:00 2001
From: Wu Cheng-Han
Date: Fri, 25 Sep 2015 19:06:27 +0800
Subject: Changed code block line number gutter rendering method for
 performance and gain better accessibility

---
 public/js/extra.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'public/js/extra.js')

diff --git a/public/js/extra.js b/public/js/extra.js
index cb6676bc..fd150bea 100644
--- a/public/js/extra.js
+++ b/public/js/extra.js
@@ -413,9 +413,9 @@ function highlightRender(code, lang) {
         var lines = result.value.split('\n');
         var linenumbers = [];
         for (var i = 0; i < lines.length - 1; i++) {
-            linenumbers[i] = "<div class='linenumber'>" + (i + 1) + "</div>";
+            linenumbers[i] = "<span data-linenumber='" + (i + 1) + "'></span>";
         }
-        var linegutter = "<div class='gutter'>" + linenumbers.join('\n') + "</div>";
+        var linegutter = "<div class='gutter linenumber'>" + linenumbers.join('\n') + "</div>";
         result.value = "<div class='wrapper'>" + linegutter + "<div class='code'>" + result.value + "</div></div>";
     }
     return result.value;
-- 
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