bug#2827:IE浏览器：讨论区：点击回复时，编辑器下面会出现内容不能为空

app/views/boards/show.html.erb

@@ -123,6 +123,7 @@ function nh_check_field(params){
 function nh_init_board(params){
     //发帖/编辑/回复按钮的click
     params.showbtn.click(function(){
+        params.textarea.removeAttr('placeholder');
         if(params.textarea.data('init') == undefined){
             //初始化编辑器
             var editor = params.kindutil.create(params.textarea, {

app/views/courses/_courses_jours.html.erb

@@ -56,6 +56,7 @@
   $(function(){
 
     function init_editor(params){
+      params.textarea.removeAttr('placeholder');
       var editor = params.kindutil.create(params.textarea, {
         resizeType : 1,minWidth:"1px",width:"100%",height:"150px",
         items:['emoticons'],

app/views/projects/_project_jours.html.erb

@@ -45,6 +45,7 @@
   $(function(){
 
     function init_editor(params){
+      params.textarea.removeAttr('placeholder');
       var editor = params.kindutil.create(params.textarea, {
         resizeType : 1,minWidth:"1px",width:"100%",height:"150px",
         items:['emoticons'],

app/views/users/_user_jours.html.erb

@@ -69,6 +69,7 @@
   $(function(){
 
     function init_editor(params){
+      params.textarea.removeAttr('placeholder');
       var editor = params.kindutil.create(params.textarea, {
         resizeType : 1,minWidth:"1px",width:"100%",height:"150px",
         items:['emoticons'],