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% --------------------------------------------------------------------------
% the LEADSHEETS package
%
% typesetting leadsheets and songbooks
%
% --------------------------------------------------------------------------
% Clemens Niederberger
% Web: http://www.mychemistry.eu/forums/forum/leadsheets/
% 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}
{2014/08/10 definition and activation of shorthands}
\seq_new:N \l__leadsheets_shorthands_seq
\group_begin:
\char_set_catcode_active:N \~
\cs_new_protected:Npn \leadsheets_define_shorthand:Npn #1
{
\seq_if_in:NnF \l__leadsheets_shorthands_seq {#1}
{ \seq_put_right:Nn \l__leadsheets_shorthands_seq {#1} }
\group_begin:
\__leadsheets_define_shorthand_aux_i:np {#1}
}
\cs_new_protected:Npn \__leadsheets_define_shorthand_aux_i:np #1#2#
{
\char_set_lccode:nn {`~} {`#1}
\__leadsheets_define_shorthand_aux_ii:nn {#2}
}
\cs_new_protected:Npn \__leadsheets_define_shorthand_aux_ii:nn #1#2
{ \tl_to_lowercase:n { \group_end: \cs_set:Npn ~ } #1 {#2} }
\group_end:
\cs_new_protected:Npn \leadsheets_activate_shorthands:n #1
{
\tl_map_inline:nn {#1}
{
\seq_if_in:NnT \l__leadsheets_shorthands_seq {##1}
{ \char_set_catcode_active:N ##1 }
}
}
\cs_new_protected:Npn \leadsheets_activate_all_shorthands:
{
\seq_map_inline:Nn \l__leadsheets_shorthands_seq
{ \char_set_catcode_active:N ##1 }
}
\endinput
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