\ExplSyntaxOn
\group_begin:
- \cs_gset:Nn \um_define_math_chars: {
- \group_begin:
- \char_set_catcode_math_superscript:N \^
- \cs_set:Npn \_um_sym:nnn ##1##2##3 {
- \bool_if:nTF { \cs_if_eq_p:NN ##3 \mathaccent ||
- \cs_if_eq_p:NN ##3 \mathopen ||
- \cs_if_eq_p:NN ##3 \mathclose ||
- \cs_if_eq_p:NN ##3 \mathover ||
- \cs_if_eq_p:NN ##3 \mathunder ||
- \cs_if_eq_p:NN ##3 \mathbotaccent } {
- \ltjsetmathletter{ ##1 }
- } {
- \um_cs_set_eq_active_char:Nw ##2 = ##1 \q_nil \ignorespaces
- }
- }
- \char_set_catcode_other:N \#
- \um_input_math_symbol_table:
- \group_end:
- }
\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}, #2}% <- for debug
\char_set_lccode:nn { `! } { "#2 }%"
\tex_lowercase:D {
- \tl_set:Nn \l_tmpa_tl {\relax\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} }