From 45aa9c4a67891dff5b2b1255fcf84603f360c4e9 Mon Sep 17 00:00:00 2001
From: Peter Nerlich <PeterNerlich@users.noreply.github.com>
Date: Thu, 12 Nov 2020 10:02:34 +0100
Subject: [PATCH] display unknown symbols as spaces

old behaviour: unknown symbols are ignored
new behaviour: unknown symbols are not displayed but can be used for formatting
---
 lcd.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lcd.lua b/lcd.lua
index 37ce3e0..f82bca0 100644
--- a/lcd.lua
+++ b/lcd.lua
@@ -73,6 +73,9 @@ local generate_line = function(s, ypos)
 			i = i + 2
 		else
 			print("[digilines] W: LCD: unknown symbol in '"..s.."' at "..i)
+			if charmap[" "] ~= nil then
+				file = charmap[" "]
+			end
 			i = i + 1
 		end
 		if file ~= nil then