From 1b374b41cf443a5171a06f5715408d64e14e20ae Mon Sep 17 00:00:00 2001
From: tex <texm@users.noreply.github.com>
Date: Sun, 3 Jul 2016 20:29:09 +0800
Subject: [PATCH] Ensure char is valid

Fixes an error which could occur if an input's state was set to active without user interaction
---
 input.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/input.lua b/input.lua
index e08ff0d..3a56688 100644
--- a/input.lua
+++ b/input.lua
@@ -55,7 +55,7 @@ return function(core, input, ...)
 	if opt.hasKeyboardFocus then
 		local keycode,char = core:getPressedKey()
 		-- text input
-		if char ~= "" then
+		if char and char ~= "" then
 			local a,b = split(input.text, input.cursor)
 			input.text = table.concat{a, char, b}
 			input.cursor = input.cursor + 1