1 files changed, 9 insertions, 4 deletions
diff --git a/htdocs/js/mathy.js b/htdocs/js/mathy.js
index 7acd7ab..edbb17a 100644
--- a/htdocs/js/mathy.js
+++ b/htdocs/js/mathy.js
@@ -211,7 +211,7 @@ jQuery(function($) {
       return false;
 
     // build sortable name
-    var sort = name
+    var sortable_name = name
       .replace(/\s+/g, ' ')
       .replace(/^\s+|\s+$/g, '')
       .toLowerCase();
@@ -221,20 +221,25 @@ jQuery(function($) {
     saves = saves ? JSON.parse(saves) : [];
 
     if ($.grep(saves, function(row) {
-      return row.save == sort;
+      return row.sort == sortable_name;
     }).length > 0) {
       if (!confirm("Replace existing \"" + name + " \"?"))
         return false;
     }
 
+    // exclude duplicates
+    saves = $.grep(saves, function(row) {
+      return row.sort != sortable_name;
+    });
+
     // append to results
     saves.push({
       name: name,
-      sort: sort,
+      sort: sortable_name,
       text: editor.getValue(),
     });
 
-    // write saves
+    // write sorted saves
     localStorage.setItem('mathy_saves', JSON.stringify(saves.sort(function(a, b) {
         return b.sort < a.sort;
     })));