From 53e3c9cac64bc537963fe12816e905c9726c3cdf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Andr=C3=A9=20Tanner?= <mat@brain-dump.org>
Date: Thu, 28 Apr 2016 20:52:31 +0200
Subject: vis: reject key mappings for which a prefix is already mapped

`<` needs a special treatment because it is used to denote symbolic
keys without it the shift left operator would not work.
---
 vis-modes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vis-modes.c b/vis-modes.c
index b44212f..62a9541 100644
--- a/vis-modes.c
+++ b/vis-modes.c
@@ -35,7 +35,7 @@ static bool mode_map(Mode *mode, const char *key, const KeyBinding *binding) {
 		if (!mode->bindings)
 			return false;
 	}
-	return map_put(mode->bindings, key, binding);
+	return (strcmp(key, "<") == 0 || !map_contains(mode->bindings, key)) && map_put(mode->bindings, key, binding);
 }
 
 bool vis_mode_map(Vis *vis, enum VisMode id, const char *key, const KeyBinding *binding) {
-- 
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