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-%%
-%% This is file `xparse.sty',
-%% generated with the docstrip utility.
-%%
-%% The original source files were:
-%%
-%% xparse.dtx (with options: `package')
-%%
-%% (C) Copyright The LaTeX3 Project and any individual authors
-%% listed elsewhere in this file.
-%%
-%% This is a generated file.
-%%
-%% This file was generated from file(s) of the xbase bundle.
-%% ---------------------------------------------------------
-%%
-%% This file may only be distributed together with a copy of this bundle.
-%% You may however distribute the bundle without such generated files.
-%%
-%% ======================================================================
-%%
-%% File: xparse.dtx (C) Copyright 1999 Frank Mittelbach, Chris Rowley, David Carlisle
-%% (C) Copyright 2004-2008 Frank Mittelbach, LaTeX3 Project
-%%
-%% It may be distributed and/or modified under the conditions of the
-%% LaTeX Project Public License (LPPL), either version 1.3c of this
-%% license or (at your option) any later version. The latest version
-%% of this license is in the file
-%%
-%% http://www.latex-project.org/lppl.txt
-%%
-%% This file is part of the ``xbase bundle'' (The Work in LPPL)
-%% and all files in that bundle must be distributed together.
-%%
-%% The released version of this bundle is available from CTAN.
-%%
-%% -----------------------------------------------------------------------
-%%
-%% The development version of the bundle can be found at
-%%
-%% http://www.latex-project.org/cgi-bin/cvsweb.cgi/
-%%
-%% for those people who are interested.
-%%
-%%%%%%%%%%%
-%% NOTE: %%
-%%%%%%%%%%%
-%%
-%% Snapshots taken from the repository represent work in progress and may
-%% not work or may contain conflicting material! We therefore ask
-%% people _not_ to put them into distributions, archives, etc. without
-%% prior consultation with the LaTeX Project Team.
-%%
-%% -----------------------------------------------------------------------
-%%
-\RequirePackage{expl3}
-\GetIdInfo$Id: xparse.dtx 1365 2009-05-31 17:26:17Z mittelba $
- {generic document command parser}
-\ProvidesExplPackage
- {\filename}{\filedate}{\fileversion}{\filedescription}
-\RequirePackage{expl3}
-\cs_new_nopar:Nn \xparse_already_defined_error_msg:N {
- \xparse_error:x {
- Command~name~`\token_to_str:N #1'~ already~defined!
- }
-}
-\cs_new_nopar:Nn \xparse_not_yet_defined_error_msg:N {
- \xparse_error:x {
- Command~`\token_to_str:N #1'~ not~ yet~defined!
- }
-}
-\cs_new_nopar:Nn \xparse_begins_with_end_error_msg:N {
- \xparse_error:x {
- Command~`\token_to_str:N #1'~begins~with~
- `\token_to_str:N \end'!
- }
-}
-\cs_new_nopar:Nn \xparse_unknown_arg_type_error_msg:N {
- \xparse_error:x {
- Unknown~ argument~ type~ `#1'~
- I'll~ substitute~ it~ with~ `m'~ for~ now.~ Fingers~ crossed...
- }
-}
-\cs_new_nopar:Nn \xparse_no_command_implementation_warning:n {
- \xparse_warning:x {No~ implementation~ for~ `#1'~ defined}
-}
-\cs_new_nopar:Nn \xparse_error:x {\tex_errmessage:D {xparse~error:~#1}}
-\cs_new_nopar:Nn \xparse_warning:x {\iow_term:x{xparse~warning:~#1}}
-\cs_new_nopar:Npn \xparse_if_definable:NTF #1 {
- \cs_if_free:NTF #1
- {
- \xparse_begins_with_end:NTF #1
- { \xparse_begins_with_end_error_msg:N #1 \use_ii:nn }
- \use_i:nn
- }
- { \xparse_already_defined_error_msg:N #1 \use_ii:nn }
-}
-\cs_generate_variant:Nn \xparse_if_definable:NTF {c}
-\cs_new_nopar:Npn \xparse_if_redefinable:NTF #1 {
- \cs_if_free:NTF #1
- { \xparse_not_yet_defined_error_msg:N #1 \use_ii:nn }
- {
- \xparse_begins_with_end:NTF #1
- { \xparse_begins_with_end_error_msg:N #1 \use_ii:nn }
- \use_i:nn
- }
-}
-\cs_generate_variant:Nn \xparse_if_redefinable:NTF {c}
-\cs_new_nopar:Npn \xparse_begins_with_end:NTF #1 {
- \group_begin:
- \exp_args:Nc \xparse_begins_with_end_aux:N {
- \tl_head_iii:f { \cs_to_str:N #1 ??}
- }
-}
-\cs_new_nopar:Nn \xparse_begins_with_end_aux:N {
- \if_predicate:w \cs_if_eq_name_p:NN #1 \end
- \group_end:
- \exp_after:wN \use_i:nn
- \else:
- \group_end:
- \exp_after:wN \use_ii:nn
- \fi:
-}
-\toks_new:N \l_xparse_grabbed_args_toks
-\toks_new:N \l_xparse_end_environment_args_toks
-\int_new:N \l_xparse_mandatory_args_int
-\int_new:N \l_xparse_total_args_int
-\cs_set:Nn \xparse_declare_document_command:Nnn {
- \xparse_prepare_signature:n {#2}
- \cs_set_protected_nopar:Npx #1 {
- \exp_not:n { \toks_set:Nn \l_xparse_grabbed_args_toks }
- {\exp_not:c {\token_to_str:N #1}}
- \toks_use:N \l_xparse_grabbed_args_toks
- \exp_not:n{ \toks_use:N \l_xparse_grabbed_args_toks}
- }
- \cs_generate_from_arg_count:cNnn {\token_to_str:N #1}\cs_set:Npn
- \l_xparse_total_args_int{#3}
-}
-\cs_generate_variant:Nn \xparse_declare_document_command:Nnn {cnn}
-\cs_new:Nn \xparse_declare_document_environment:nnnn {
- \xparse_declare_document_command:cnn {#1}{#2}
- { \group_begin:
- \toks_set_eq:NN \l_xparse_end_environment_args_toks
- \l_xparse_grabbed_args_toks
- #3
- }
- \cs_set_eq:cN {end #1} \xparse_parsed_end_environment:
- \cs_generate_from_arg_count:cNnn {end \token_to_str:N \\ #1}\cs_set:Npn
- \l_xparse_total_args_int{#4}
-}
-\cs_new_protected_nopar:Nn \xparse_parsed_end_environment: {
- \exp_after:wN \xparse_parsed_end_environment_aux:N
- \toks_use:N \l_xparse_end_environment_args_toks
- \group_end:
-}
-\cs_new_nopar:Nn \xparse_parsed_end_environment_aux:N {
- \use:c {end \token_to_str:N #1 }
-}
-\cs_new_eq:NN \DeclareDocumentCommand \xparse_declare_document_command:Nnn
-\cs_new_nopar:Npn \NewDocumentCommand #1 {
- \xparse_if_definable:NTF #1
- { \xparse_declare_document_command:Nnn #1 }
- \use_none:nn
-}
-\cs_new_nopar:Npn \RenewDocumentCommand #1 {
- \xparse_if_redefinable:NTF #1
- { \xparse_declare_document_command:Nnn #1 }
- \use_none:nn
-}
-\cs_new_eq:NN \DeclareDocumentEnvironment
- \xparse_declare_document_environment:nnnn
-\cs_new_nopar:Npn \NewDocumentEnvironment #1 {
- \xparse_if_definable:cTF {#1}
- { \xparse_declare_document_environment:nnnn {#1} }
- \use_none:nnn
-}
-\cs_new_nopar:Npn \RenewDocumentEnvironment #1 {
- \xparse_if_redefinable:cTF {#1}
- { \xparse_declare_document_environment:nnnn {#1} }
- \use_none:nnn
-}
-\cs_new_nopar:Npn \ProvideDocumentCommand #1{
- \cs_if_free:NTF #1
- { \DeclareDocumentCommand #1}
- \use_none:nn
-}
-\cs_new_nopar:Npn \ProvideDocumentEnvironment #1{
- \cs_if_free:cTF {#1}
- { \DeclareDocumentEnvironment {#1} }
- \use_none:nnn
-}
-\cs_new:Npn \DeclareDocumentCommandInterface #1#2#3{
- \xparse_prepare_signature:n {#3}
- \cs_set_protected_nopar:Npx #1 {
- \exp_not:n { \toks_set:Nn \l_xparse_grabbed_args_toks }
- {\exp_not:c {impl-#2}}
- \toks_use:N\l_xparse_grabbed_args_toks
- \exp_not:n{ \toks_use:N \l_xparse_grabbed_args_toks}
- }
- \cs_generate_from_arg_count:cNnn {impl-#2} \cs_set:Npn
- \l_xparse_total_args_int
- {\xparse_undefined_command_implementation:n{#2}}
-}
-\cs_new_nopar:Nn \xparse_undefined_command_implementation:n {
- ``#1''
- \xparse_no_command_implementation_warning:n {#1}
-}
-\cs_new:Npn \DeclareDocumentCommandImplementation #1#2#3{
- \cs_generate_from_arg_count:cNnn {impl-#1}\cs_set:Npn {#2}{#3}
-}
-\cs_new_nopar:Nn \xparse_prepare_signature:n {
- \int_zero:N \l_xparse_total_args_int
- \toks_clear:N \l_xparse_grabbed_args_toks
- \int_zero:N \l_xparse_mandatory_args_int
- \bool_gset_false:N \g_xparse_insert_marker_bool
- \bool_gset_false:N \g_xparse_allow_par_bool
- \tl_gset_eq:NN \g_xparse_ignore_marker_tl
- \g_xparse_ignore_spaces_marker_tl
- \xparse_parse_signature:n #1 \q_nil
-}
-\tl_new:Nn \g_xparse_ignore_marker_tl {}
-\seq_new:N \g_xparse_ignore_marker_seq
-\bool_new:N \g_xparse_insert_marker_bool
-\cs_new_nopar:cpn {xparse_add_arg_type_>:} #1
- \xparse_read_arg_type_or_grab_default:n #2{
- \xparse_add_remaining_m_args:
- \bool_gset_true:N \g_xparse_insert_marker_bool
- \int_decr:N \l_xparse_total_args_int
- \tl_map_inline:nn{#2}{
- \xparse_check_and_add_argument_type:N ##1
- }
- \xparse_parse_signature:n
-}
-\cs_new_nopar:Nn \xparse_add_ignore_marker:Nnn {
- \tl_new:cn {g_xparse #2 _marker_tl}{#3}
- \seq_gpush:Nv \g_xparse_ignore_marker_seq {g_xparse #2 _marker_tl}
- \cs_new_nopar:cpn {xparse_add_arg_type_#1:}{
- \tl_gset_eq:Nc \g_xparse_ignore_marker_tl {g_xparse #2 _marker_tl}
- }
-}
-\xparse_add_ignore_marker:Nnn W{_ignore_nothing}{}
-\xparse_add_ignore_marker:Nnn i{_ignore_spaces}{_ignore_spaces}
-\xparse_add_ignore_marker:Nnn I{_ignore_pars}{_ignore_pars}
-\cs_new_nopar:Nn \xparse_add_arg_type_P: {
- \bool_gset_true:N \g_xparse_allow_par_bool
-}
-\bool_new:N \g_xparse_allow_par_bool
-\cs_new_nopar:Nn \xparse_parse_signature:n {
- \quark_if_nil:NTF #1
- {
- \xparse_add_remaining_m_args:
- }
- {
- \int_incr:N \l_xparse_total_args_int
- \xparse_check_and_add_argument_type:N #1
- \bool_if:NT \g_xparse_insert_marker_bool
- {
- \bool_gset_false:N \g_xparse_insert_marker_bool
- \bool_gset_false:N \g_xparse_allow_par_bool
- \tl_gset_eq:NN \g_xparse_ignore_marker_tl
- \g_xparse_ignore_spaces_marker_tl
- }
- \xparse_read_arg_type_or_grab_default:n
- }
-}
-\cs_new_nopar:Nn \xparse_check_and_add_argument_type:N {
- \cs_if_free:cTF {xparse_add_arg_type_#1:}
- { \xparse_unknown_arg_type_error_msg:N #1
- \int_incr:N \l_xparse_mandatory_args_int
- }
- { \use:c {xparse_add_arg_type_#1:} }
-}
-\cs_new_eq:NN \xparse_read_arg_type_or_grab_default:n
- \xparse_parse_signature:n
-\cs_new_nopar:Nn \xparse_grab_default_arg:n {
- \toks_put_right:Nn \l_xparse_grabbed_args_toks {{#1}}
- \cs_set_eq:NN \xparse_read_arg_type_or_grab_default:n
- \xparse_parse_signature:n
- \xparse_parse_signature:n
-}
-\cs_new:Nn \xparse_grab_default_arg_allow_par:n {
- \toks_put_right:Nn \l_xparse_grabbed_args_toks {{#1}}
- \cs_set_eq:NN \xparse_read_arg_type_or_grab_default:n
- \xparse_parse_signature:n
- \xparse_parse_signature:n
-}
-\cs_new_nopar:Nn \xparse_add_arg_type_m: {
- \bool_if:NTF \g_xparse_allow_par_bool
- {
- \toks_put_right:Nn \l_xparse_grabbed_args_toks {\xparse_allow_par_m:w}
- }
- { \int_incr:N \l_xparse_mandatory_args_int }
-}
-\cs_new_nopar:Nn \xparse_add_remaining_m_args: {
- \intexpr_compare:nNnF \l_xparse_mandatory_args_int = \c_zero
- {
- \toks_put_right:Nx \l_xparse_grabbed_args_toks {
- \exp_not:c{xparse_m
- \int_use:N \l_xparse_mandatory_args_int
- :w }
- }
- \int_zero:N \l_xparse_mandatory_args_int
- }
-}
-\cs_new_nopar:cpn {xparse_m1:w} #1 \l_xparse_grabbed_args_toks#2{
- \toks_put_right:Nn \l_xparse_grabbed_args_toks{{#2}}
- #1 \l_xparse_grabbed_args_toks
-}
-\cs_new_nopar:cpn {xparse_m2:w} #1 \l_xparse_grabbed_args_toks #2#3{
- \toks_put_right:Nn \l_xparse_grabbed_args_toks{{#2}{#3}}
- #1 \l_xparse_grabbed_args_toks
-}
-\cs_new_nopar:cpn {xparse_m3:w} #1 \l_xparse_grabbed_args_toks #2#3#4{
- \toks_put_right:Nn \l_xparse_grabbed_args_toks{{#2}{#3}{#4}}
- #1 \l_xparse_grabbed_args_toks
-}
-\cs_new_nopar:cpn {xparse_m4:w} #1 \l_xparse_grabbed_args_toks #2#3#4#5{
- \toks_put_right:Nn \l_xparse_grabbed_args_toks{{#2}{#3}{#4}{#5}}
- #1 \l_xparse_grabbed_args_toks
-}
-\cs_new_nopar:cpn {xparse_m5:w} #1 \l_xparse_grabbed_args_toks #2#3#4#5#6{
- \toks_put_right:Nn \l_xparse_grabbed_args_toks{{#2}{#3}{#4}{#5}{#6}}
- #1 \l_xparse_grabbed_args_toks
-}
-\cs_new_nopar:cpn {xparse_m6:w} #1 \l_xparse_grabbed_args_toks #2#3#4#5#6#7{
- \toks_put_right:Nn \l_xparse_grabbed_args_toks
- {{#2}{#3}{#4}{#5}{#6}{#7}}
- #1 \l_xparse_grabbed_args_toks
-}
-\cs_new_nopar:cpn {xparse_m7:w} #1 \l_xparse_grabbed_args_toks#2#3#4#5#6#7#8{
- \toks_put_right:Nn \l_xparse_grabbed_args_toks
- {{#2}{#3}{#4}{#5}{#6}{#7}{#8}}
- #1 \l_xparse_grabbed_args_toks
-}
-\cs_new_nopar:cpn {xparse_m8:w} #1\l_xparse_grabbed_args_toks
- #2#3#4#5#6#7#8#9{
- \toks_put_right:Nn \l_xparse_grabbed_args_toks
- {{#2}{#3}{#4}{#5}{#6}{#7}{#8}{#9}}
- #1 \l_xparse_grabbed_args_toks
-}
-\cs_new_nopar:cpn {xparse_m9:w} \toks_use:N \l_xparse_grabbed_args_toks
- #1#2#3#4#5#6#7#8#9{
- \toks_put_right:Nn \l_xparse_grabbed_args_toks
- {{#1}{#2}{#3}{#4}{#5}{#6}{#7}{#8}{#9}}
- \toks_use:N \l_xparse_grabbed_args_toks
-}
-\cs_new:Npn \xparse_allow_par_m:w #1 \l_xparse_grabbed_args_toks#2{
- \toks_put_right:Nn \l_xparse_grabbed_args_toks{{#2}}
- #1 \l_xparse_grabbed_args_toks
-}
-\cs_new_nopar:Nn \xparse_add_arg_type_l: {
- \xparse_add_remaining_m_args:
- \bool_if:NTF \g_xparse_allow_par_bool
- {
- \toks_put_right:Nn \l_xparse_grabbed_args_toks {\xparse_allow_par_l:w}
- }
- { \toks_put_right:Nn \l_xparse_grabbed_args_toks {\xparse_l:w} }
-}
-\cs_new_nopar:Npn \xparse_l:w #1 \l_xparse_grabbed_args_toks#2#{
- \toks_put_right:Nn \l_xparse_grabbed_args_toks{{#2}}
- #1 \l_xparse_grabbed_args_toks
-}
-\cs_new:Npn \xparse_allow_par_l:w #1 \l_xparse_grabbed_args_toks#2#{
- \toks_put_right:Nn \l_xparse_grabbed_args_toks{{#2}}
- #1 \l_xparse_grabbed_args_toks
-}
-\cs_new_nopar:Npn \DeclareSymbolArgument #1#2{
- \seq_map_variable:NNn \g_xparse_ignore_marker_seq \l_tmpa_tl {
- \cs_set_nopar:cpx {xparse \l_tmpa_tl _#1:w}##1##2
- \l_xparse_grabbed_args_toks{
- \exp_not:c{peek_ #2 _remove \l_tmpa_tl :NTF} ##1
- {
- \exp_not:N \toks_put_right:Nn \exp_not:N
- \l_xparse_grabbed_args_toks \exp_not:N \c_true_bool
- ##2 \exp_not:N\l_xparse_grabbed_args_toks
- }
- {
- \exp_not:N \toks_put_right:Nn \exp_not:N
- \l_xparse_grabbed_args_toks \exp_not:N \c_false_bool
- ##2 \exp_not:N\l_xparse_grabbed_args_toks
- }
- }
- }
- \cs_set_nopar:cpn {xparse_add_arg_type_#1:} {
- \xparse_add_remaining_m_args:
- \toks_put_right:Nx \l_xparse_grabbed_args_toks
- { \exp_not:c {xparse \g_xparse_ignore_marker_tl _#1:w } }
- \cs_set_eq:NN \xparse_read_arg_type_or_grab_default:n
- \xparse_grab_default_arg:n
- }
-}
-\DeclareSymbolArgument S{meaning}
-\cs_new_nopar:Npn \DeclareArgumentType #1#2#3#4#5#6#7{
- \seq_map_variable:NNn \g_xparse_ignore_marker_seq \l_tmpa_tl {
- \cs_set_nopar:cpx {xparse \l_tmpa_tl _#1:w}##1\l_xparse_grabbed_args_toks{
- \exp_not:c{peek_#3 \l_tmpa_tl :NTF} \exp_not:N #2
- { \exp_not:c{xparse_#1_#3_help:nw}{##1} }
- {
- \exp_not:n {
- #4 \toks_put_right:Nn \l_xparse_grabbed_args_toks {#5}
- }
- ##1 \exp_not:N\l_xparse_grabbed_args_toks
- }
- }
- \cs_set:cpx {xparse_allow_par \l_tmpa_tl _#1:w}##1
- \l_xparse_grabbed_args_toks{
- \exp_not:c{peek_#3 \l_tmpa_tl :NTF} \exp_not:N #2
- { \exp_not:c{xparse_allow_par_#1_#3_help:nw}{##1} }
- {
- \exp_not:n {
- #4 \toks_put_right:Nn \l_xparse_grabbed_args_toks {#5}
- }
- ##1 \exp_not:N\l_xparse_grabbed_args_toks
- }
- }
- }
- \cs_set_nopar:cpn {xparse_add_arg_type_#1:} {
- \xparse_add_remaining_m_args:
- \toks_put_right:Nx \l_xparse_grabbed_args_toks {
- \exp_not:c {xparse
- \bool_if:NT \g_xparse_allow_par_bool {_allow_par}
- \g_xparse_ignore_marker_tl
- _#1:w
- }
- }
- \cs_set_eq:NN \xparse_read_arg_type_or_grab_default:n \xparse_parse_signature:n
- }
- \xparse_define_helper:Nnnn #1{#3}{#6}{#7}
-}
-\cs_new_nopar:Npn \DeclareArgumentTypeDefaultValue #1#2#3#4#5{
- \seq_map_variable:NNn \g_xparse_ignore_marker_seq \l_tmpa_tl {
- \cs_set_nopar:cpx {xparse \l_tmpa_tl _#1:w}##1##2\l_xparse_grabbed_args_toks{
- \exp_not:c{peek_#3 \l_tmpa_tl :NTF} \exp_not:N #2
- { \exp_not:c{xparse_#1_#3_help:nw}{##2} }
- {
- \exp_not:N \toks_put_right:Nn
- \exp_not:N \l_xparse_grabbed_args_toks {{##1}}
- ##2 \exp_not:N \l_xparse_grabbed_args_toks
- }
- }
- \cs_set:cpx {xparse_allow_par \l_tmpa_tl _#1:w}##1##2
- \l_xparse_grabbed_args_toks{
- \exp_not:c{peek_#3 \l_tmpa_tl :NTF} \exp_not:N #2
- { \exp_not:c{xparse_allow_par_#1_#3_help:nw}{##2} }
- {
- \exp_not:N \toks_put_right:Nn
- \exp_not:N \l_xparse_grabbed_args_toks {{##1}}
- ##2 \exp_not:N \l_xparse_grabbed_args_toks
- }
- }
- }
- \cs_set_nopar:cpn {xparse_add_arg_type_#1:} {
- \xparse_add_remaining_m_args:
- \toks_put_right:Nx \l_xparse_grabbed_args_toks {
- \exp_not:c {xparse
- \bool_if:NT \g_xparse_allow_par_bool {_allow_par}
- \g_xparse_ignore_marker_tl
- _#1:w
- }
- }
- \cs_set_eq:Nc \xparse_read_arg_type_or_grab_default:n
- {xparse_grab_default_arg
- \bool_if:NT \g_xparse_allow_par_bool {_allow_par}
- :n
- }
- }
- \xparse_define_helper:Nnnn #1{#3}{#4}{#5}
-}
-\cs_new_nopar:Nn \xparse_define_helper:Nnnn {
- \toks_set:Nn \l_tmpa_toks
- {
- #3
- {
- \toks_put_right:Nn \l_xparse_grabbed_args_toks {{#4}}
- ##1 \l_xparse_grabbed_args_toks
- }
- }
- \toks_set:Nx \l_tmpa_toks {
- \exp_not:n {\cs_set_nopar:cpn{xparse_#1_#2_help:nw}}
- \toks_use:N \l_tmpa_toks
- \exp_not:n {\cs_set_nopar:cpn{xparse_allow_par_#1_#2_help:nw}}
- \toks_use:N\l_tmpa_toks
- }
- \toks_use:N \l_tmpa_toks
-}
-\DeclareArgumentType o[{meaning}{}{\NoValue}{#1[#2]}{#2}
-\DeclareArgumentType c({meaning}{
- \xparse_error:x{
- Missing~ coordinate~ argument.~ A~ value~ of~ (0,0)~ is~ assumed}
- }
- {{00}}
- {#1(#2,#3)}{{#2}{#3}}
-\DeclareArgumentTypeDefaultValue O[{meaning}{#1[#2]}{#2}
-\DeclareArgumentTypeDefaultValue C({meaning}{#1(#2,#3)}{{#2}{#3}}
-\cs_new_nopar:Npn \DeclareArgumentTypeShorthand #1#2{
- \cs_new_nopar:cpn {xparse_add_arg_type_#1:}
- ##1 \xparse_read_arg_type_or_grab_default:n {
- \int_decr:N \l_xparse_total_args_int
- \xparse_read_arg_type_or_grab_default:n #2
- }
-}
-\DeclareArgumentTypeShorthand s {S{*}}
-\cs_new_eq:NN \IfBooleanTF \bool_if:NTF
-\cs_new_eq:NN \IfBooleanT \bool_if:NT
-\cs_new_eq:NN \IfBooleanF \bool_if:NF
-\tl_new:Nn \NoValue {-NoValue-}
-\tl_new:Nn \c_xparse_hidden_no_value_tl {\NoValue}
-\cs_new:Npn \xparse_if_no_value:nTF #1{
- \tl_set:Nx \l_tmpa_tl{\exp_not:n{#1}}
- \tl_if_eq:NNTF \l_tmpa_tl \c_xparse_hidden_no_value_tl
- { \use_i:nn }
- { \tl_if_blank:nTF {#1}
- { \use_ii:nn }
- {\peek_after:NN \xparse_if_no_value_aux: #1 \q_nil {#1} }
- }
-}
-\cs_new:Nn \xparse_if_no_value_aux: {
- \tl_set:Nx \l_tmpa_tl{\token_get_arg_spec:N \l_peek_token }
- \tl_if_empty:NTF \l_tmpa_tl
- {\use_i_delimit_by_q_nil:nw {\exp_args:No\xparse_if_no_value:nTF}}
- {\use_i_delimit_by_q_nil:nw {\use_iii:nnn}}
-}
-\cs_new_eq:NN \IfNoValueTF \xparse_if_no_value:nTF
-\cs_new:Npn \IfNoValueT #1#2 {\xparse_if_no_value:nTF{#1}{#2}{}}
-\cs_new:Npn \IfNoValueF #1 {\xparse_if_no_value:nTF {#1}{}}
-\cs_new:Npn \IfValueTF #1#2#3{\xparse_if_no_value:nTF {#1}{#3}{#2}}
-\cs_new_eq:NN \IfValueT \IfNoValueF
-\cs_new_eq:NN \IfValueF \IfNoValueT
-\tl_new:Nn \l_xparse_pseudo_post_arg_tl {}
-\cs_new:Npn \DeclarePseudoArgument #1#2#3#4{
- \cs_set:cn {xparse_pseudo_pre_arg_#1:\prg_replicate:nn{#2}{n}} {#3}
- \cs_set:cn {xparse_pseudo_post_arg_#1:\prg_replicate:nn{#2}{n}} {#4}
- \cs_set_nopar:cn {xparse_pseudo_nobrace_arg_#1:N} {
- ##1 \l_xparse_pseudo_post_arg_tl
- }
- \cs_generate_from_arg_count:cNnn {xparse_pseudo_arg_#1:w}
- \cs_set:Npx {#2}
- {
- \exp_not:c {
- xparse_pseudo_pre_arg_#1: \prg_replicate:nn{#2}{n}
- }
- \use:c{use_ \intexpr_eval:n{#2} _parameter:}
- \exp_not:n {\tl_set:Nn \l_xparse_pseudo_post_arg_tl}
- {
- \exp_not:c {xparse_pseudo_post_arg_#1:\prg_replicate:nn{#2}{n}}
- \use:c{use_ \intexpr_eval:n{#2}_parameter:}
- }
- \exp_not:n{ \peek_catcode_remove_ignore_spaces:NTF \c_group_begin_token }
- {
- \exp_not:n {
- \c_group_begin_token
- \group_execute_after:N \l_xparse_pseudo_post_arg_tl
- }
- }
- {
- \exp_not:c{xparse_pseudo_nobrace_arg_#1:N}
- }
- }
-}
-\cs_new_nopar:Npn \UsePseudoArgument #1{\use:c{xparse_pseudo_arg_#1:w}}
-\endinput
-%%
-%% End of file `xparse.sty'.