From 934e719aea361ab4b8294196d90fe43f2900b64a Mon Sep 17 00:00:00 2001
From: Hironori Kitagawa <h_kitagawa2001@yahoo.co.jp>
Date: Wed, 23 Nov 2011 18:05:36 +0900
Subject: [PATCH] Simplify lltjp-unicode-math.sty.

---
 src/patches/lltjp-unicode-math.sty | 35 ++++++++++++++++++++---------------
 1 file changed, 20 insertions(+), 15 deletions(-)

diff --git a/src/patches/lltjp-unicode-math.sty b/src/patches/lltjp-unicode-math.sty
index b3a5216..104052a 100644
--- a/src/patches/lltjp-unicode-math.sty
+++ b/src/patches/lltjp-unicode-math.sty
@@ -8,29 +8,34 @@
 \RequirePackage{unicode-math,luatexja}
 
 \ExplSyntaxOn
-\cs_set:Npn \um_set_mathcode:nnnn #1#2#3#4 {
-  \Umathcode \int_eval:n {#1} =
-  \mathchar@type#2 \csname sym#3\endcsname \int_eval:n {#4} \scan_stop:
-  \ltjsetmathletter{\int_eval:n {#4}}
-}
-\cs_set:Npn \um_set_mathcode:nnn #1#2#3 {
-  \Umathcode \int_eval:n {#1} =
-  \mathchar@type#2 \csname sym#3\endcsname \int_eval:n {#1} \scan_stop:
-  \ltjsetmathletter{\int_eval:n {#1}}
-}
-\cs_set:Npn \um_set_mathchar:NNnn #1#2#3#4 {
-  \Umathchardef #1 =
-  \mathchar@type#2 \csname sym#3\endcsname \int_eval:n {#4} \scan_stop:
-  \ltjsetmathletter{\int_eval:n {#4}}
-}
+
+%%%%%% 以下の3命令の再定義はもはや不要と思われる（北川） 
+% \cs_set:Npn \um_set_mathcode:nnnn #1#2#3#4 {
+%   \Umathcode \int_eval:n {#1} =
+%   \mathchar@type#2 \csname sym#3\endcsname \int_eval:n {#4} \scan_stop:
+%   \ltjsetmathletter{\int_eval:n {#4}}
+% }
+% \cs_set:Npn \um_set_mathcode:nnn #1#2#3 {
+%   \Umathcode \int_eval:n {#1} =
+%   \mathchar@type#2 \csname sym#3\endcsname \int_eval:n {#1} \scan_stop:
+%   \ltjsetmathletter{\int_eval:n {#1}}
+% }
+% \cs_set:Npn \um_set_mathchar:NNnn #1#2#3#4 {
+%   \Umathchardef #1 =
+%   \mathchar@type#2 \csname sym#3\endcsname \int_eval:n {#4} \scan_stop:
+%   \ltjsetmathletter{\int_eval:n {#4}}
+% }
+%%%%%%
 \group_begin:
   \cs_gset:Npn \um_cs_set_eq_active_char:Nw #1 = "#2 \q_nil {%"
     \group_begin:
+      %\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}
         \cs_gset_eq:NN #1 \l_tmpa_tl
       }
+      \ltjsetmathletter{ \int_from_hexadecimal:n {#2} }
     \group_end:
   }
 \group_end:
-- 
2.11.0