% -------------------------------------------------------------------------- % % the CHEMMACROS package -- module: `greek' % % -------------------------------------------------------------------------- % Clemens Niederberger % -------------------------------------------------------------------------- % https://github.org/cgnieder/chemmacros/ % contact@mychemistry.eu % -------------------------------------------------------------------------- % If you have any ideas, questions, suggestions or bugs to report, please % feel free to contact me. % -------------------------------------------------------------------------- % Copyright 2011--2020 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. % -------------------------------------------------------------------------- \ChemModule{greek}{2020/02/02 upright greek symbols} \RequirePackage{chemgreek}[2020/01/16] \msg_new:nnn {chemmacros} {no-greek} { You~ haven't~ loaded~ any~ package~ for~ upright~ Greek~ letters~ or~ no~ unique~ choice~ was~ possible.~ Either~ load~ one~ of~ packages~ specified~ in~ the~ manual~ or~ select~ a~ chemgreek~ mapping~ manually. } \msg_new:nnn {chemmacros} {greek-undefined} { The~ chemgreek~ mapping~ `#1'~ you~ chose~ \msg_line_context: \c_space_tl is~ not~ defined.~ Please~ choose~ another~ one. } % chemgreek selects a mapping if an unambiguous choice is possible, otherwise % selects `default'. Warn the user in this case: \AtBeginDocument{ \bool_lazy_or:nnT { \chemgreek_if_mapping_active_p:n {default} } { \chemgreek_if_mapping_active_p:n {var-default} } { \msg_warning:nn {chemmacros} {no-greek} } } % an option for manual selection: \chemmacros_define_global_keys:n { greek .code:n = \chemmacros_choose_chemgreek_mapping:n {#1} } \cs_new_protected:Npn \chemmacros_choose_chemgreek_mapping:n #1 { \chemgreek_if_mapping_exists:nTF {#1} { \chemgreek_load_mapping_package:n {#1} \chemgreek_activate_mapping:n {#1} } { \msg_warning:nnn {chemmacros} {greek-undefined} {#1} } } % -------------------------------------------------------------------------- \file_input_stop: 2020/02/02 - lazy boolean evaluation