Reset state if comment submit fails

docs/tutorial.it-IT.md

@@ -686,6 +686,7 @@ var CommentBox = React.createClass({
         this.setState({data: data});
       }.bind(this),
       error: function(xhr, status, err) {
+        this.setState({data: comments});
         console.error(this.props.url, status, err.toString());
       }.bind(this)
     });

docs/tutorial.ja-JP.md

@@ -682,6 +682,7 @@ var CommentBox = React.createClass({
         this.setState({data: data});
       }.bind(this),
       error: function(xhr, status, err) {
+        this.setState({data: comments});
         console.error(this.props.url, status, err.toString());
       }.bind(this)
     });

docs/tutorial.ko-KR.md

@@ -691,6 +691,7 @@ var CommentBox = React.createClass({
         this.setState({data: data});
       }.bind(this),
       error: function(xhr, status, err) {
+        this.setState({data: comments});
         console.error(this.props.url, status, err.toString());
       }.bind(this)
     });

docs/tutorial.md

@@ -688,6 +688,7 @@ var CommentBox = React.createClass({
         this.setState({data: data});
       }.bind(this),
       error: function(xhr, status, err) {
+        this.setState({data: comments});
         console.error(this.props.url, status, err.toString());
       }.bind(this)
     });

docs/tutorial.zh-CN.md

@@ -686,6 +686,7 @@ var CommentBox = React.createClass({
         this.setState({data: data});
       }.bind(this),
       error: function(xhr, status, err) {
+        this.setState({data: comments});
         console.error(this.props.url, status, err.toString());
       }.bind(this)
     });