From 7db493883b87a83a8fb05040ee80fbbcfea61c73 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Andr=C3=A9=20Tanner?= <mat@brain-dump.org>
Date: Sat, 12 Mar 2016 15:58:15 +0100
Subject: vis-lua: allow to set window.syntax = nil

This will load the default lua color theme.
---
 vis-lua.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'vis-lua.c')

diff --git a/vis-lua.c b/vis-lua.c
index 527202d..35dbe95 100644
--- a/vis-lua.c
+++ b/vis-lua.c
@@ -537,7 +537,9 @@ static int window_newindex(lua_State *L) {
 	if (lua_isstring(L, 2)) {
 		const char *key = lua_tostring(L, 2);
 		if (strcmp(key, "syntax") == 0) {
-			const char *syntax = luaL_checkstring(L, 3);
+			const char *syntax = NULL;
+			if (!lua_isnil(L, 3))
+				syntax = luaL_checkstring(L, 3);
 			view_syntax_set(win->view, syntax);
 			return 0;
 		}
-- 
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