From f22640fac24bcf2c6ac67560faf37835b2ee6003 Mon Sep 17 00:00:00 2001
From: Doug Kearns <dougkearns@gmail.com>
Date: Sat, 27 Sep 2008 13:22:05 +0000
Subject: [PATCH] output an error message if :source is called without an
 argument

---
 content/io.js | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/content/io.js b/content/io.js
index 81348cc9..3e03a8d9 100644
--- a/content/io.js
+++ b/content/io.js
@@ -323,12 +323,12 @@ liberator.IO = function () //{{{
         "Read Ex commands from a file",
         function (args, special)
         {
-            // FIXME: implement proper filename quoting
-            //if (/[^\\]\s/.test(args))
-            //{
-            //    liberator.echoerr("E172: Only one file name allowed");
-            //    return;
-            //}
+            // FIXME: implement proper filename quoting - "E172: Only one file name allowed"
+            if (!args)
+            {
+                liberator.echoerr("E471: Argument required");
+                return;
+            }
 
             liberator.io.source(args, special);
         },