Fix ticket #31276.

diff --git a/src/patches/lltjp-unicode-math.sty b/src/patches/lltjp-unicode-math.sty
index 2db4cf9..bd5cbc3 100644 (file)
--- a/src/patches/lltjp-unicode-math.sty
+++ b/src/patches/lltjp-unicode-math.sty
@@ -15,7 +15,7 @@
       %\typeout {um: \string#1, \int_from_hexadecimal:n {#2}} <- for debug
       \char_set_lccode:nn { `! } { "#2 }
       \tex_lowercase:D {
-        \tl_set:Nn \l_tmpa_tl {\ifmmode!\else{\directlua{tex.globaldefs = 0}\ltj@allalchar!}\fi}
+        \tl_set:Nn \l_tmpa_tl {\relax\ifmmode!\else{\directlua{tex.globaldefs = 0}\ltj@allalchar!}\fi}
         \cs_gset_eq:NN #1 \l_tmpa_tl
       }
       \ltjsetmathletter{ \int_from_hexadecimal:n {#2} }
@@ -26,5 +26,3 @@
 \ExplSyntaxOff
 
 \endinput
-
-