From 6c6c0a47782328d21cc2899ac9c9f0e6edb1fb40 Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Mon, 9 Jan 2017 10:45:05 +0900
Subject: [PATCH] Make util.RuneWidth return 1 for non-displayable characters

Fix line wrapping in preview window
---
 src/util/util.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/util/util.go b/src/util/util.go
index 29e8017..15ec0ad 100644
--- a/src/util/util.go
+++ b/src/util/util.go
@@ -18,7 +18,7 @@ func RuneWidth(r rune, prefixWidth int, tabstop int) int {
 	} else if w, found := _runeWidths[r]; found {
 		return w
 	} else {
-		w := runewidth.RuneWidth(r)
+		w := Max(runewidth.RuneWidth(r), 1)
 		_runeWidths[r] = w
 		return w
 	}