From b758e2f729918c7f77c6a41d3cb901ea14e03aff Mon Sep 17 00:00:00 2001
From: Ted Pavlic <ted@tedpavlic.com>
Date: Fri, 16 Jan 2009 14:02:04 -0500
Subject: [PATCH] Make sure LHS of :abbr is is all word characters. E474
 otherwise (mimic Vim).

---
 common/content/editor.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/common/content/editor.js b/common/content/editor.js
index a7957355..ca8fddc6 100644
--- a/common/content/editor.js
+++ b/common/content/editor.js
@@ -166,7 +166,15 @@ function Editor() //{{{
             {
                 let [lhs, rhs] = args;
                 if (rhs)
+                {
+                    if (lhs.match(/\W/))
+                    {
+                        liberator.echoerr("E474: Invalid argument");
+                        return false;
+                    }
+
                     editor.addAbbreviation(mode, lhs, rhs);
+                }
                 else
                     editor.listAbbreviations(mode, lhs || "");
             },