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-% --------------------------------------------------------------------------
-%
-% the CHEMMACROS package -- module: `acid-base'
-%
-% --------------------------------------------------------------------------
-% 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 1.3c
-% 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 2008/05/04 or later.
-%
-% This work has the LPPL maintenance status `maintained'.
-%
-% The Current Maintainer of this work is Clemens Niederberger.
-% --------------------------------------------------------------------------
-\ChemModule{acid-base}{2018/02/22 acid/base}
-
-\chemmacros_load_modules:n {charges}
-
-% --------------------------------------------------------------------------
-% equilibrium constants:
-
-\tl_new:N \l__chemmacros_equilibrium_constant_tl
-\tl_set:Nn \l__chemmacros_equilibrium_constant_tl {K}
-\prop_new:N \l__chemmacros_eq_constants_prop
-
-\prg_new_conditional:Npnn \chemmacros_if_eq_constant:Nn #1#2 {T,F,TF}
- {
- \cs_if_exist:NTF #1
- {
- \tl_if_eq:xnTF
- { \prop_item:Nn \l__chemmacros_eq_constants_prop {#1} }
- {#2}
- { \prg_return_true: }
- { \prg_return_false: }
- }
- { \prg_return_false: }
- }
-\cs_generate_variant:Nn \tl_if_eq:nnTF {x}
-
-% #1: cs
-% #2: translation id and option name
-% #3: default translation
-\cs_new_protected:Npn \chemmacros_define_eq_constant:Nnn #1#2#3
- {
- \chemmacros_if_eq_constant:NnF {#1} {#2}
- {
- \cs_new_protected:Npn #1 {}
- \prop_put:Nnn \l__chemmacros_eq_constants_prop {#1} {#2}
- \tl_new:c {l__chemmacros_#2_tl}
- \chemmacros_define_keys:nn {acid-base}
- { #2 .tl_set:c = l__chemmacros_#2_tl }
- }
- \tl_set:cn
- {l__chemmacros_#2_tl}
- { \chemmacros_translate:n {#2} }
- \chemmacros_if_compatibility:nnTF {>=} {5.7}
- { \chemmacros_declare_translation:nnn {#2} {fallback} {#3} }
- { \DeclareTranslationFallback {#2} {#3} }
- \cs_set_protected:Npn #1
- {
- \ensuremath
- {
- \chemmacros_bold:n
- {
- \l__chemmacros_equilibrium_constant_tl
- \c_math_subscript_token
- { \tl_use:c {l__chemmacros_#2_tl} }
- }
- }
- }
- }
-
-\NewChemMacroset {EqConstant} {mmm}
- { \chemmacros_define_eq_constant:Nnn #1 {#2} {#3} }
-
-\NewChemEqConstant \Ka {K-acid} { \mathrm{a} }
-\NewChemEqConstant \Kb {K-base} { \mathrm{b} }
-\NewChemEqConstant \Kw {K-water} { \mathrm{w} }
-
-\chemmacros_if_compatibility:nnT {>=} {5.4}
- {
- \chemmacros_define_keys:nn {acid-base}
- { eq-constant .tl_set:N = \l__chemmacros_equilibrium_constant_tl }
- }
-
-\chemmacros_define_keys:nn {acid-base}
- {
- p-style .choice: ,
- p-style / slanted .code:n = \cs_set_eq:NN \chemmacros_p_style:n \textsl ,
- p-style / italics .code:n = \cs_set_eq:NN \chemmacros_p_style:n \textit ,
- p-style / upright .code:n = \cs_set_eq:NN \chemmacros_p_style:n \textup ,
- p-style .initial:n = upright
- }
-
-\cs_new_protected:Npn \chemmacros_p:n #1
- {
- \group_begin:
- \chemmacros_if_compatibility:nnTF {<=} {5.8b}
- { \mbox }
- { \chemmacros_text:n }
- {
- \chemmacros_p_style:n {p}
- \ensuremath {#1}
- }
- \group_end:
- }
-
-\NewDocumentCommand \p {m} { \chemmacros_p:n {#1} }
-\NewDocumentCommand \pH {} { \chemmacros_p:n { \chemmacros_chemformula:n {H} } }
-\NewDocumentCommand \pOH {} { \chemmacros_p:n { \chemmacros_chemformula:n {OH} } }
-
-\NewDocumentCommand \pKa {o}
- {
- \chemmacros_p:n
- {
- \Ka \IfNoValueF {#1}
- { {} \c_math_subscript_token { \chemmacros_bold:n {#1} } }
- }
- }
-
-\NewDocumentCommand \pKb {o}
- {
- \chemmacros_p:n
- {
- \Kb \IfNoValueF {#1}
- { {} \c_math_subscript_token { \chemmacros_bold:n {#1} } }
- }
- }
-
-% --------------------------------------------------------------------------
-\ChemCompatibilityTo{5.6}
-\DeclareTranslation {English} {K-acid} {\mathrm{a}}
-\DeclareTranslation {German} {K-acid} {\mathrm{s}}
-\DeclareTranslation {Dutch} {K-acid} {\mathrm{z}}
-
-\DeclareTranslation {English} {K-base} {\mathrm{b}}
-
-\DeclareTranslation {English} {K-water} {\mathrm{w}}
-\EndChemCompatibility
-
-\ChemCompatibilityFrom{5.6}
-\chemmacros_declare_translations:nn {K-acid}
- {
- German = \mathrm {s} ,
- Dutch = \mathrm {z}
- }
-\EndChemCompatibility
-% --------------------------------------------------------------------------
-\file_input_stop:
-
-2016/02/04 - \NewChemEqConstant and family, new option `eq-constant'
-2016/04/27 - moved translations from lang module to acid-base module
-2016/05/31 - adapt to changes in `lang' module
-2018/02/22 - fix bug in \chemmacros_p:n (https://tex.stackexchange.com/q/416227/)