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+
+% \section{\DTXCURR --- setup and package options}
+%
+% \begin{macrocode}
+%<*package&(XE|LU)>
+% \end{macrocode}
+%
+% \begin{macro}{\unimathsetup}
+% This macro can be used in lieu of or later to override
+% options declared when the package is loaded.
+% \begin{macrocode}
+\DeclareDocumentCommand \unimathsetup {m} { \keys_set:nn {unicode-math} {#1} }
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\@@_keys_choices:nn}
+% To simplify the creation of option keys, let's iterate in pairs rather than worry about equals signs and commas.
+% \begin{macrocode}
+\cs_new:Nn \@@_keys_choices:nn
+ {
+ \cs_set:Npn \@@_keys_choices_fn:nn { \@@_keys_choices_aux:nnn {#1} }
+ \use:x
+ {
+ \exp_not:N \keys_define:nn {unicode-math}
+ {
+ #1 .choice: ,
+ \@@_tl_map_dbl:nN {#2} \@@_keys_choices_fn:nn
+ }
+ }
+ }
+\cs_new:Nn \@@_keys_choices_aux:nnn { #1 / #2 .code:n = { \exp_not:n {#3} } , }
+% \end{macrocode}
+%
+% \begin{macrocode}
+\cs_new:Nn \@@_tl_map_dbl:nN
+ {
+ \__@@_tl_map_dbl:Nnn #2 #1 \q_recursion_tail {}{} \q_recursion_stop
+ }
+% \end{macrocode}
+%
+% \begin{macrocode}
+\cs_new:Nn \__@@_tl_map_dbl:Nnn
+ {
+ \quark_if_recursion_tail_stop:n {#2}
+ \quark_if_recursion_tail_stop:n {#3}
+ #1 {#2} {#3}
+ \__@@_tl_map_dbl:Nnn #1
+ }
+% \end{macrocode}
+% \end{macro}
+%
+% \paragraph{Compatibility}
+% \begin{macrocode}
+\@@_keys_choices:nn {mathup}
+ {
+ {sym} { \bool_set_false:N \g_@@_mathrm_text_bool }
+ {text} { \bool_set_true:N \g_@@_mathrm_text_bool }
+ }
+\@@_keys_choices:nn {mathrm}
+ {
+ {sym} { \bool_set_false:N \g_@@_mathrm_text_bool }
+ {text} { \bool_set_true:N \g_@@_mathrm_text_bool }
+ }
+\@@_keys_choices:nn {mathit}
+ {
+ {sym} { \bool_set_false:N \g_@@_mathit_text_bool }
+ {text} { \bool_set_true:N \g_@@_mathit_text_bool }
+ }
+\@@_keys_choices:nn {mathbf}
+ {
+ {sym} { \bool_set_false:N \g_@@_mathbf_text_bool }
+ {text} { \bool_set_true:N \g_@@_mathbf_text_bool }
+ }
+\@@_keys_choices:nn {mathsf}
+ {
+ {sym} { \bool_set_false:N \g_@@_mathsf_text_bool }
+ {text} { \bool_set_true:N \g_@@_mathsf_text_bool }
+ }
+\@@_keys_choices:nn {mathtt}
+ {
+ {sym} { \bool_set_false:N \g_@@_mathtt_text_bool }
+ {text} { \bool_set_true:N \g_@@_mathtt_text_bool }
+ }
+% \end{macrocode}
+%
+% \paragraph{math-style}
+% \begin{macrocode}
+\@@_keys_choices:nn {normal-style}
+ {
+ {ISO} {
+ \bool_set_false:N \g_@@_literal_bool
+ \bool_set_false:N \g_@@_upGreek_bool
+ \bool_set_false:N \g_@@_upgreek_bool
+ \bool_set_false:N \g_@@_upLatin_bool
+ \bool_set_false:N \g_@@_uplatin_bool
+ }
+ {TeX} {
+ \bool_set_false:N \g_@@_literal_bool
+ \bool_set_true:N \g_@@_upGreek_bool
+ \bool_set_false:N \g_@@_upgreek_bool
+ \bool_set_false:N \g_@@_upLatin_bool
+ \bool_set_false:N \g_@@_uplatin_bool
+ }
+ {french} {
+ \bool_set_false:N \g_@@_literal_bool
+ \bool_set_true:N \g_@@_upGreek_bool
+ \bool_set_true:N \g_@@_upgreek_bool
+ \bool_set_true:N \g_@@_upLatin_bool
+ \bool_set_false:N \g_@@_uplatin_bool
+ }
+ {upright} {
+ \bool_set_false:N \g_@@_literal_bool
+ \bool_set_true:N \g_@@_upGreek_bool
+ \bool_set_true:N \g_@@_upgreek_bool
+ \bool_set_true:N \g_@@_upLatin_bool
+ \bool_set_true:N \g_@@_uplatin_bool
+ }
+ {literal} {
+ \bool_set_true:N \g_@@_literal_bool
+ }
+ }
+% \end{macrocode}
+%
+% \begin{macrocode}
+\@@_keys_choices:nn {math-style}
+ {
+ {ISO} {
+ \unimathsetup { nabla=upright, partial=italic,
+ normal-style=ISO, bold-style=ISO, sans-style=italic }
+ }
+ {TeX} {
+ \unimathsetup { nabla=upright, partial=italic,
+ normal-style=TeX, bold-style=TeX, sans-style=upright }
+ }
+ {french} {
+ \unimathsetup { nabla=upright, partial=upright,
+ normal-style=french, bold-style=upright, sans-style=upright }
+ }
+ {upright} {
+ \unimathsetup { nabla=upright, partial=upright,
+ normal-style=upright, bold-style=upright, sans-style=upright }
+ }
+ {literal} {
+ \unimathsetup { colon=literal, nabla=literal, partial=literal,
+ normal-style=literal, bold-style=literal, sans-style=literal }
+ }
+ }
+% \end{macrocode}
+%
+% \paragraph{bold-style}
+% \begin{macrocode}
+\@@_keys_choices:nn {bold-style}
+ {
+ {ISO} {
+ \bool_set_false:N \g_@@_bfliteral_bool
+ \bool_set_false:N \g_@@_bfupGreek_bool
+ \bool_set_false:N \g_@@_bfupgreek_bool
+ \bool_set_false:N \g_@@_bfupLatin_bool
+ \bool_set_false:N \g_@@_bfuplatin_bool
+ }
+ {TeX} {
+ \bool_set_false:N \g_@@_bfliteral_bool
+ \bool_set_true:N \g_@@_bfupGreek_bool
+ \bool_set_false:N \g_@@_bfupgreek_bool
+ \bool_set_true:N \g_@@_bfupLatin_bool
+ \bool_set_true:N \g_@@_bfuplatin_bool
+ }
+ {upright} {
+ \bool_set_false:N \g_@@_bfliteral_bool
+ \bool_set_true:N \g_@@_bfupGreek_bool
+ \bool_set_true:N \g_@@_bfupgreek_bool
+ \bool_set_true:N \g_@@_bfupLatin_bool
+ \bool_set_true:N \g_@@_bfuplatin_bool
+ }
+ {literal} {
+ \bool_set_true:N \g_@@_bfliteral_bool
+ }
+ }
+% \end{macrocode}
+%
+% \paragraph{sans-style}
+% \begin{macrocode}
+\@@_keys_choices:nn {sans-style}
+ {
+ {italic} { \bool_set_false:N \g_@@_upsans_bool }
+ {upright} { \bool_set_true:N \g_@@_upsans_bool }
+ {literal} { \bool_set_true:N \g_@@_sfliteral_bool }
+ }
+% \end{macrocode}
+%
+%
+% \paragraph{Nabla and partial}
+% \begin{macrocode}
+\@@_keys_choices:nn {nabla}
+ {
+ {upright} {
+ \bool_set_false:N \g_@@_literal_Nabla_bool
+ \bool_set_true:N \g_@@_upNabla_bool
+ }
+ {italic} {
+ \bool_set_false:N \g_@@_literal_Nabla_bool
+ \bool_set_false:N \g_@@_upNabla_bool
+ }
+ {literal} { \bool_set_true:N \g_@@_literal_Nabla_bool }
+ }
+% \end{macrocode}
+%
+% \begin{macrocode}
+\@@_keys_choices:nn {partial}
+ {
+ {upright} {
+ \bool_set_false:N \g_@@_literal_partial_bool
+ \bool_set_true:N \g_@@_uppartial_bool
+ }
+ {italic} {
+ \bool_set_false:N \g_@@_literal_partial_bool
+ \bool_set_false:N \g_@@_uppartial_bool
+ }
+ {literal} { \bool_set_true:N \g_@@_literal_partial_bool }
+ }
+% \end{macrocode}
+%
+% \paragraph{Colon style}
+% \begin{macrocode}
+\@@_keys_choices:nn {colon}
+ {
+ {literal} { \bool_set_true:N \g_@@_literal_colon_bool }
+ {TeX} { \bool_set_false:N \g_@@_literal_colon_bool }
+ }
+% \end{macrocode}
+%
+% \paragraph{Slash delimiter style}
+% \begin{macrocode}
+\@@_keys_choices:nn {slash-delimiter}
+ {
+ {ascii} { \tl_set:Nn \g_@@_slash_delimiter_usv {"002F} }
+ {frac} { \tl_set:Nn \g_@@_slash_delimiter_usv {"2044} }
+ {div} { \tl_set:Nn \g_@@_slash_delimiter_usv {"2215} }
+ }
+% \end{macrocode}
+%
+%
+% \paragraph{Active fraction style}
+% \begin{macrocode}
+\@@_keys_choices:nn {active-frac}
+ {
+ {small}
+ {
+ \cs_if_exist:NTF \tfrac
+ { \bool_set_true:N \l_@@_smallfrac_bool }
+ {
+ \@@_warning:n {no-tfrac}
+ \bool_set_false:N \l_@@_smallfrac_bool
+ }
+ \use:c {@@_setup_active_frac:}
+ }
+
+ {normalsize}
+ {
+ \bool_set_false:N \l_@@_smallfrac_bool
+ \use:c {@@_setup_active_frac:}
+ }
+ }
+% \end{macrocode}
+%
+% \paragraph{Debug/tracing}
+%
+% \begin{macrocode}
+\keys_define:nn {unicode-math}
+ {
+ warnings-off .code:n =
+ {
+ \clist_map_inline:nn {#1}
+ { \msg_redirect_name:nnn { unicode-math } { ##1 } { none } }
+ }
+ }
+% \end{macrocode}
+%
+% \begin{macrocode}
+\@@_keys_choices:nn {trace}
+ {
+ {on} {} % default
+ {debug} { \msg_redirect_module:nnn { unicode-math } { log } { warning } }
+ {off} { \msg_redirect_module:nnn { unicode-math } { log } { none } }
+ }
+% \end{macrocode}
+%
+% \subsection{Defaults}
+%
+% \begin{macrocode}
+\unimathsetup {math-style=TeX}
+\unimathsetup {slash-delimiter=ascii}
+\unimathsetup {trace=off}
+\unimathsetup {mathrm=text,mathit=text,mathbf=text,mathsf=text,mathtt=text}
+\cs_if_exist:NT \tfrac { \unimathsetup {active-frac=small} }
+\ProcessKeysOptions {unicode-math}
+% \end{macrocode}
+%
+% \begin{macrocode}
+%</package&(XE|LU)>
+% \end{macrocode}
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