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-% --------------------------------------------------------------------------
-%
-% the CHEMMACROS package -- module: `xfrac'
-%
-% --------------------------------------------------------------------------
-% 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{xfrac}{2015/07/22 use xfrac package with chemmacros}
-
-\RequirePackage{xfrac}
-
-% --------------------------------------------------------------------------
-
-% #1: type
-% #2: numerator
-% #3: denominator
-\cs_new_protected:Npn \chemmacros_frac:nnn #1#2#3
- {
- \IfInstanceExistTF {xfrac} {chemmacros-frac-\f@family-#1}
- { \sfrac [chemmacros-frac-\f@family-#1] {#2} {#3} }
- { \sfrac [chemmacros-frac-default-#1]{#2} {#3} }
- }
-
-\NewDocumentCommand \chemfrac {O{text}mm}
- { \chemmacros_frac:nnn {#1} {#2} {#3} }
-
-% --------------------------------------------------------------------------
-
-% default:
-\DeclareInstance {xfrac} {chemmacros-frac-cmr-superscript} {text}
- {
- numerator-top-sep = -.1ex ,
- slash-left-kern = -.2em ,
- slash-right-kern = -.2em ,
- slash-symbol-font = cmr
- }
-
-\DeclareInstance {xfrac} {chemmacros-frac-cmr-text} {text}
- {
- numerator-top-sep = 0ex ,
- slash-left-kern = -.2em ,
- slash-right-kern = -.2em ,
- slash-symbol-font = cmr
- }
-
-% computer modern (same as default):
-\DeclareInstance {xfrac} {chemmacros-frac-cmr-superscript} {text}
- {
- numerator-top-sep = -.1ex ,
- slash-left-kern = -.2em ,
- slash-right-kern = -.2em ,
- slash-symbol-font = cmr
- }
-
-\DeclareInstance {xfrac} {chemmacros-frac-cmr-text} {text}
- {
- numerator-top-sep = 0ex ,
- slash-left-kern = -.2em ,
- slash-right-kern = -.2em ,
- slash-symbol-font = cmr
- }
-
-% Linux Libertine T lining:
-\DeclareInstance {xfrac} {chemmacros-frac-LinuxLibertineT-TLF-text} {text}
- {
- numerator-top-sep = 0ex ,
- slash-left-kern = 0em ,
- slash-right-kern = .05em ,
- slash-symbol-font = LinuxLibertineT-TLF
- }
-
-\DeclareInstance {xfrac} {chemmacros-frac-LinuxLibertineT-TLF-superscript} {text}
- {
- scale-factor = 1.2 ,
- denominator-bot-sep = -.1ex ,
- numerator-top-sep = -.1ex ,
- slash-left-kern = .1em ,
- slash-right-kern = .1em ,
- slash-symbol-font = LinuxLibertineT-TLF
- }
-
-% Linux Libertine T oldstyle:
-\DeclareInstance {xfrac} {chemmacros-frac-LinuxLibertineT-TOsF-text} {text}
- {
- denominator-bot-sep = .1ex ,
- numerator-top-sep = -.2ex ,
- slash-left-kern = 0em ,
- slash-right-kern = 0em ,
- slash-symbol-font = LinuxLibertineT-TOsF
- }
-
-\DeclareInstance {xfrac} {chemmacros-frac-LinuxLibertineT-TOsF-superscript} {text}
- {
- scale-factor = 1.2 ,
- denominator-bot-sep = -.1ex ,
- numerator-top-sep = -.2ex ,
- slash-left-kern = 0em ,
- slash-right-kern = .1em ,
- slash-symbol-font = LinuxLibertineT-TOsF
- }
-
-% lmodern:
-\DeclareInstance {xfrac} {chemmacros-frac-lmr-superscript} {text}
- {
- slash-left-kern = -.2em ,
- slash-right-kern = -.2em ,
- slash-symbol-font = lmr
- }
-
-\DeclareInstance {xfrac} {chemmacros-frac-lmr-text} {text}
- {
- slash-left-kern = -.2em ,
- slash-right-kern = -.2em ,
- slash-symbol-font = lmr
- }
-
-% --------------------------------------------------------------------------