\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}} <- for debug
- \char_set_lccode:nn { `! } { "#2 }
+ %\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}
\cs_gset_eq:NN #1 \l_tmpa_tl