* Fix bug #1112.

module/action/control.php

@@ -113,7 +113,16 @@ class action extends control
      */
     public function editComment($actionID)
     {
-        if(trim(strip_tags($this->post->lastComment, '<img>'))) $this->action->updateComment($actionID);
+        if(trim(strip_tags($this->post->lastComment, '<img>')))
+        {
+            $this->action->updateComment($actionID);
+        }
+        else
+        {
+            dao::$errors['submit'][] = $this->lang->action->historyEdit;
+            $this->send(array('result' => 'fail', 'message' => dao::getError()));
+        }
+
         die(js::locate($this->server->http_referer, 'parent'));
     }
 }

module/action/lang/en.php

@@ -31,6 +31,7 @@ $lang->action->textDiff       = 'Text Format';
 $lang->action->original       = 'Original Format';
 $lang->action->confirmHideAll = 'Do you want to hide all the records?';
 $lang->action->needEdit       = '%s you want to restore has already existed. Please edit it.';
+$lang->action->historyEdit    = 'The history editor cannot be empty.';
 
 $lang->action->dynamic = new stdclass();
 $lang->action->dynamic->today      = 'Today';

module/action/lang/zh-cn.php

@@ -31,6 +31,7 @@ $lang->action->textDiff       = '文本格式';
 $lang->action->original       = '原始格式';
 $lang->action->confirmHideAll = '您确定要全部隐藏这些记录吗？';
 $lang->action->needEdit       = '要还原%s的名称或代号已经存在，请编辑更改。';
+$lang->action->historyEdit    = '历史记录编辑不能为空。';
 
 $lang->action->dynamic = new stdclass();
 $lang->action->dynamic->today      = '今天';

module/action/lang/zh-tw.php

@@ -31,6 +31,7 @@ $lang->action->textDiff       = '文本格式';
 $lang->action->original       = '原始格式';
 $lang->action->confirmHideAll = '您確定要全部隱藏這些記錄嗎？';
 $lang->action->needEdit       = '要還原%s的名稱或代號已經存在，請編輯更改。';
+$lang->action->historyEdit    = '歷史記錄編輯不能為空。';
 
 $lang->action->dynamic = new stdclass();
 $lang->action->dynamic->today      = '今天';