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% --------------------------------------------------------------------------
% the LEADSHEETS package
%
% typesetting leadsheets and songbooks
%
% --------------------------------------------------------------------------
% Clemens Niederberger
% E-Mail: contact@mychemistry.eu
% --------------------------------------------------------------------------
% Copyright 2014-2016 Clemens Niederberger
%
% This work may be distributed and/or modified under the
% conditions of the LaTeX Project Public License, either version 1.3
% of this license or (at your option) any later version.
% The latest version of this license is in
% http://www.latex-project.org/lppl.txt
% and version 1.3 or later is part of all distributions of LaTeX
% version 2005/12/01 or later.
%
% This work has the LPPL maintenance status `maintained'.
%
% The Current Maintainer of this work is Clemens Niederberger.
% --------------------------------------------------------------------------
\LeadsheetsExplLibrary{shorthands}
{2016/06/29 definition and activation of shorthands}
\seq_new:N \l__leadsheets_shorthands_seq
\cs_new_protected:Npn \leadsheets_define_shorthand:NN #1#2
{
\seq_if_in:NnF \l__leadsheets_shorthands_seq {#1}
{ \seq_put_right:Nn \l__leadsheets_shorthands_seq {#1} }
\char_set_active_eq:NN #1#2
}
\cs_new_protected:Npn \leadsheets_remove_shorthand:N #1
{
\leadsheets_define_shorthand:NN #1 \c_empty_tl
\seq_remove_all:Nn \l__leadsheets_shorthands_seq {#1}
\prop_remove:Nn \l__leadsheets_shorthands_prop {#1}
}
\prg_new_conditional:Npnn \leadsheets_if_shorthand:N #1 {p,T,F,TF}
{
\seq_if_in:NnTF \l__leadsheets_shorthands_seq {#1}
{ \prg_return_true: }
{ \prg_return_false: }
}
\cs_new_protected:Npn \leadsheets_for_all_shorthands_do:n #1
{ \seq_map_inline:Nn \l__leadsheets_shorthands_seq {#1} }
\cs_new_protected:Npn \leadsheets_activate_shorthand:N #1
{ \leadsheets_if_shorthand:NT #1 { \char_set_catcode_active:N #1 } }
\cs_new_protected:Npn \leadsheets_activate_shorthands:n #1
{ \tl_map_inline:nn {#1} { \leadsheets_activate_shorthand:N ##1 } }
\cs_new_protected:Npn \leadsheets_activate_all_shorthands:
{
\leadsheets_for_all_shorthands_do:n
{ \leadsheets_activate_shorthand:N ##1 }
}
\file_input_stop:
2016/06/29 - breaking change: \leadsheets_define_shorthand:Npn is now
\leadsheets_define_shorthand:NN
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