From 8e5cee495d39c518ecf0514e1ab1569741db9cfb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcel=20Fabian=20Kr=C3=BCger?= <tex@2krueger.de>
Date: Mon, 3 May 2021 21:53:10 +0200
Subject: [PATCH] Fight against XML weirdness

---
 luamml-lr.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/luamml-lr.lua b/luamml-lr.lua
index 2c5d9c0..87ad69a 100644
--- a/luamml-lr.lua
+++ b/luamml-lr.lua
@@ -41,7 +41,7 @@ local function to_unicode(head, tail)
       elseif node.id'glue' == id then
         if n.width > 1000 then -- FIXME: Coordinate constant with tagpdf
           i = i+1
-          subresult[i] = ' '
+          subresult[i] = '\u{00A0}' -- non breaking space... There is no real reason why it has to be non breaking, except that MathML often ignore other spaces
         end
       elseif node.id'hlist' == id then
         local nested = to_unicode(n.head)