From ad63d350d4a4fe51547bf36a529631a746f3b1f8 Mon Sep 17 00:00:00 2001
From: Kohei TAKATA <kt.koheitakata@gmail.com>
Date: Fri, 15 Jan 2016 12:49:24 +0900
Subject: [PATCH] readline: Remove XXX and output debuglog

Remove a comment that has a word 'XXX'.
And add a line to output debuglog of error.

PR-URL: https://github.com/nodejs/node/pull/4690
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 lib/readline.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/readline.js b/lib/readline.js
index 5bea6afb950ee0..065cc62807c689 100644
--- a/lib/readline.js
+++ b/lib/readline.js
@@ -9,6 +9,7 @@
 const kHistorySize = 30;
 
 const util = require('util');
+const debug = util.debuglog('readline');
 const internalUtil = require('internal/util');
 const inherits = util.inherits;
 const Buffer = require('buffer').Buffer;
@@ -380,7 +381,7 @@ Interface.prototype._tabComplete = function() {
     self.resume();
 
     if (err) {
-      // XXX Log it somewhere?
+      debug('tab completion error %j', err);
       return;
     }