From 18bf61c1e0663bcf2d684c3a76508d920824dfcb Mon Sep 17 00:00:00 2001
From: Doug Kearns <dougkearns@gmail.com>
Date: Sat, 11 Jul 2009 00:14:13 +1000
Subject: [PATCH] Match Vim's behaviour with <Nop> in the RHS of a mapping.

<Nop> is not remapped if it is the complete RHS of a mapping otherwise
it behaves like any other key.
---
 common/content/mappings.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/common/content/mappings.js b/common/content/mappings.js
index 966200bb..d5e46f19 100644
--- a/common/content/mappings.js
+++ b/common/content/mappings.js
@@ -221,13 +221,16 @@ function Mappings() //{{{
                 return;
             }
 
-            // ?:\s+ <- don't remember; (...)? optional = rhs
             let [lhs, rhs] = args;
 
             if (!rhs) // list the mapping
                 mappings.list(mode, expandLeader(lhs));
             else
             {
+                // this matches Vim's behaviour
+                if (/^<Nop>$/i.test(rhs))
+                    noremap = true;
+
                 for (let [,m] in Iterator(mode))
                 {
                     mappings.addUserMap([m], [lhs],