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authorKarl Berry <karl@freefriends.org>2017-08-24 22:03:11 +0000
committerKarl Berry <karl@freefriends.org>2017-08-24 22:03:11 +0000
commit71d2397f0528e7f9137f494d48b1e7c2b4ef0ae2 (patch)
treef0e5438afd7c9d5dec59203672ec9725fbf2c968 /Master/texmf-dist/tex/latex/bpchem/bpchem.sty
parent3950fff7eb716a577a59f23a0c1ef4859f26cf13 (diff)
bpchem (24aug17)
git-svn-id: svn://tug.org/texlive/trunk@45120 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/latex/bpchem/bpchem.sty')
-rw-r--r--Master/texmf-dist/tex/latex/bpchem/bpchem.sty193
1 files changed, 95 insertions, 98 deletions
diff --git a/Master/texmf-dist/tex/latex/bpchem/bpchem.sty b/Master/texmf-dist/tex/latex/bpchem/bpchem.sty
index ccaf5a30805..cb06644f293 100644
--- a/Master/texmf-dist/tex/latex/bpchem/bpchem.sty
+++ b/Master/texmf-dist/tex/latex/bpchem/bpchem.sty
@@ -20,21 +20,17 @@
%% original source files, as listed above, are part of the
%% same distribution. (The sources need not necessarily be
%% in the same archive or directory.)
-%% File: bpchem.dtx Copyright (C) 2001
+%% File: bpchem.dtx Copyright (C) 2001-2017
%% Bjoern Pedersen <Bjoern.Pedersen@ch.tum.de>
%% This file may be distributed and used freely under
-%% the Latex Project Public License
+%% the LaTeX Project Public License
%%
%%
\NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{bpchem}[2004/11/25 v1.06 Chemical input helper]
+\ProvidesPackage{bpchem}[2004/08/21 v1.1 Chemical input helper]
\RequirePackage{xspace}
%\IUPAC{Tetra\|cyclo[2.2.2.1\^{1,4}]\-
-
-
-
-
\newif\ifusecbgreek%
\usecbgreekfalse%
\DeclareOption{cbgreek}{\PackageInfo{bpchem}{cbgreek selected}\usecbgreektrue}
@@ -51,59 +47,58 @@
%% a register to save the length to backspace
%% two registers needed to get back to correct
%% working position if one is longer than the other.
- \newlength{\BPClensub}
- \newlength{\BPClensuper}
- \newlength{\BPCdelta}
-
+\newlength{\BPClensub}
+\newlength{\BPClensuper}
+\newlength{\BPCdelta}
%% we are in subscript and maybe the superscript was longer
- \DeclareRobustCommand{\BPCadjustsub}{%
- \setlength\BPCdelta{\BPClensuper}\addtolength\BPCdelta{-\BPClensub}%
- \ifdim\BPCdelta>0pt{\kern\BPCdelta}\else\relax\fi%
- \setlength{\BPClensub}{0pt}% reset
- \setlength{\BPClensuper}{0pt}% reset
- }%
+\DeclareRobustCommand{\BPCadjustsub}{%
+ \setlength\BPCdelta{\BPClensuper}\addtolength\BPCdelta{-\BPClensub}%
+ \ifdim\BPCdelta>0pt{\kern\BPCdelta}\else\relax\fi%
+ \setlength{\BPClensub}{0pt}% reset
+ \setlength{\BPClensuper}{0pt}% reset
+}%
%% we are in superscript and maybe the subscript was longer
- \DeclareRobustCommand{\BPCadjustsuper}{%
- \setlength\BPCdelta{\BPClensub}\addtolength\BPCdelta{-\BPClensuper}%
- \ifdim\BPCdelta>0pt{\kern\BPCdelta}\else\relax\fi%
- \setlength{\BPClensub}{0pt}% reset
- \setlength{\BPClensuper}{0pt}% reset
- }%
+\DeclareRobustCommand{\BPCadjustsuper}{%
+ \setlength\BPCdelta{\BPClensub}\addtolength\BPCdelta{-\BPClensuper}%
+ \ifdim\BPCdelta>0pt{\kern\BPCdelta}\else\relax\fi%
+ \setlength{\BPClensub}{0pt}% reset
+ \setlength{\BPClensuper}{0pt}% reset
+}%
%% make a subscript and remember length in BPClen
- \DeclareRobustCommand{\BPCsub}[1]{%
- \ifmmode_{#1}\settowidth\BPClensub{_{#1}}%
- \else\textsubscript{#1}\settowidth\BPClensub{\textsubscript{#1}}\fi%
- \futurelet\next\lookforsuper%
- }%
+\DeclareRobustCommand{\BPCsub}[1]{%
+ \ifmmode_{#1}\settowidth\BPClensub{_{#1}}%
+ \else\textsubscript{#1}\settowidth\BPClensub{\textsubscript{#1}}\fi%
+ \futurelet\next\lookforsuper%
+}%
%% make a superscript and remember length in BPClen
%% raise by 0.15 em, else e.g. + collides with subscript
- \DeclareRobustCommand{\BPCsuper}[1]{%
- \ifmmode^{#1}\settowidth\BPClensuper{^{#1}}%
- \else\raisebox{0.15em}{\textsuperscript{#1}}%
- \settowidth\BPClensuper{\textsuperscript{#1}}\fi%
- \futurelet\next\lookforsub%
- }%
+\DeclareRobustCommand{\BPCsuper}[1]{%
+ \ifmmode^{#1}\settowidth\BPClensuper{^{#1}}%
+ \else\raisebox{0.15em}{\textsuperscript{#1}}%
+ \settowidth\BPClensuper{\textsuperscript{#1}}\fi%
+ \futurelet\next\lookforsub%
+}%
%% see if next token is BPCsuper,
- \DeclareRobustCommand\lookforsuper{%
- \ifx\next\BPCsuper\let\next=\BPCsuperbs%
- \else\let\next=\BPCadjustsub\fi\next%
- }%
+\DeclareRobustCommand\lookforsuper{%
+ \ifx\next\BPCsuper\let\next=\BPCsuperbs%
+ \else\let\next=\BPCadjustsub\fi\next%
+}%
%% see if next token is BPCsub
- \DeclareRobustCommand\lookforsub{%
- \ifx\next\BPCsub\let\next=\BPCsubbs%
- \else\let\next=\BPCadjustsuper\fi\next%
- }%
+\DeclareRobustCommand\lookforsub{%
+ \ifx\next\BPCsub\let\next=\BPCsubbs%
+ \else\let\next=\BPCadjustsuper\fi\next%
+}%
%% backspace BPClen and make superscript
%% eats the old \verb|\^|
- \DeclareRobustCommand{\BPCsuperbs}[1]{\kern-\BPClensub\BPCsuper}%
+\DeclareRobustCommand{\BPCsuperbs}[1]{\kern-\BPClensub\BPCsuper}%
%% backspace and make subscript
-%% eats the old \_
- \DeclareRobustCommand{\BPCsubbs}[1]{\kern-\BPClensuper\BPCsub}%
+%% eats the old \_
+\DeclareRobustCommand{\BPCsubbs}[1]{\kern-\BPClensuper\BPCsub}%
%% needed to get catcodes right
- \DeclareRobustCommand{\DoBPChem}{}%
- \def\DoBPChem#1{%
- #1\endgroup%
- }%
+\DeclareRobustCommand{\DoBPChem}{}%
+\def\DoBPChem#1{%
+ #1\endgroup%
+}%
\DeclareRobustCommand{\BPCSetupCat}{}
\def\BPCSetupCat{%
%\catcode`^=\active%
@@ -120,79 +115,81 @@
\begingroup% endgroup in DoBPChem
\BPCSetupCat%
\DoBPChem%
- }
-
+}
%% these are taken from german.sty and allow more than one break
%% or breaks and hyphens in a word. Very useful for chemical names,
%% as they tend to grow rather long. Two short versions are also defined
\DeclareRobustCommand{\allowhyphens}{\penalty\@M \hskip\z@skip}
\DeclareRobustCommand{\BreakHyph}{\penalty\@M -\allowhyphens}
\DeclareRobustCommand{\MultiBreak}%
- {\penalty\@M\discretionary{-}{}{\kern.03em}%
- \allowhyphens}
+ {\penalty\@M\discretionary{-}{}{\kern.03em}%
+ \allowhyphens}
\let\MB=\MultiBreak \let\BH=\BreakHyph
\DeclareRobustCommand{\DoIUPAC}[1]{%
-#1\endgroup}
+ #1\endgroup}
\def\Prep{%
-\let\-=\BreakHyph%
-\let\|=\MultiBreak%
-\DoIUPAC%
+ \let\-=\BreakHyph%
+ \let\|=\MultiBreak%
+ \DoIUPAC%
}
\DeclareRobustCommand*{\IUPAC}{%
\begingroup\BPCSetup\ignorespaces%
\Prep}%
-
-%% Trick by David Kastrup <David.Kastrup@t-online.de> to make
+\expandafter\DeclareRobustCommand\expandafter\|\expandafter{\|}
+%% Trick by David Kastrup <David.Kastrup@t-online.de> to make
%% non-fragile. Otherwise \verb+\|+ would become \verb+\delimiter"026B30D+ in
%% e.g. the toc
-\expandafter\DeclareRobustCommand\expandafter\|\expandafter{\|}
-\expandafter\DeclareRobustCommand\expandafter\-\expandafter{\-}
-%%%%%%%%%%%%%%%%
+%% Recent \LaTeX{} releases (starting with <2017-04-15>) define \cs{-} robust.
+%% This resulted in a infinite loop with older version of bpchem. We could use
+%% \cs{IncludeInRelease}, but it might be easier to just use the definition
+%% from the latest \LaTeX{} releases.
+\DeclareRobustCommand{\-}{%
+ \discretionary{%
+ \char \ifnum\hyphenchar\font<\z@%
+ \defaulthyphenchar%
+ \else%
+ \hyphenchar\font%
+ \fi%
+ }{}{}%
+}% \end{macrocode}
%% counters for numbering of chemical substances
\newcounter{BPCno}
\renewcommand{\theBPCno}{\textbf{\arabic{BPCno}}}
-
\newcounter{BPCnoa}[BPCno]
\renewcommand{\theBPCnoa}{\textbf{\arabic{BPCno}\alph{BPCnoa}}}
-
%% helper functions to mark first definition
\newcommand{\newchems@b}[2]{
\expandafter\gdef\csname cna@#1#2\endcsname{#2}%
}
-
%% reference a CNlabel (useful for section titles, captions etc.)
\DeclareRobustCommand*{\CNref}[1]{%
-\ref{cn:#1}%
+ \ref{cn:#1}%
}
-
%% reference a CNlabel/sublabel
\DeclareRobustCommand*{\CNrefsub}[2]{%
-\ref{cn:#1#2}
+ \ref{cn:#1#2}
%%\textbf{\csname cna@#1#2\endcsname}%
}
-
%% label a substance and insert the number
\DeclareRobustCommand*{\CNlabel}[1]{%
-\CNlabelnoref{#1}%
-\CNref{#1}%
+ \CNlabelnoref{#1}%
+ \CNref{#1}%
}
-
-%%
\DeclareRobustCommand*{\CNlabelnoref}[1]{%
-\expandafter\ifx\csname cnd@#1\endcsname\relax%
-{\refstepcounter{BPCno}\label{cn:#1}}%
-\expandafter\gdef\csname cnd@#1\endcsname{x}%
-\fi%
+ \expandafter\ifx\csname cnd@#1\endcsname\relax%
+ {\refstepcounter{BPCno}\label{cn:#1}}%
+ \expandafter\gdef\csname cnd@#1\endcsname{x}%
+ \fi%
}
\DeclareRobustCommand*{\CNlabelsub}[2]{%
-\CNlabelsubnoref{#1}{#2}%
-\CNrefsub{#1}{#2}%
+ \CNlabelsubnoref{#1}{#2}%
+ \CNrefsub{#1}{#2}%
}
\DeclareRobustCommand*{\CNlabelsubnoref}[2]{%
-\CNlabelnoref{#1}%
-\expandafter\ifx\csname cna@#1#2\endcsname\relax%
-{\refstepcounter{BPCnoa}\label{cn:#1#2}}%
-\expandafter\gdef\csname cna@#1#2\endcsname{x}%
+ \CNlabelnoref{#1}%
+ \expandafter\ifx\csname cna@#1#2\endcsname\relax%
+ {\refstepcounter{BPCnoa}\label{cn:#1#2}}%
+ \expandafter\gdef\csname cna@#1#2\endcsname{x}%
%% \newchems@b{#1}{#2}%
%% \write\@auxout{\string\newchems@b{#1}{#2}}%
\fi%
@@ -204,26 +201,26 @@
\DeclareRobustCommand{\trans}{\textit{trans}\xspace}
%%%%%%%%%%%%%%%%%%%%%
\ifusecbgreek% code with roman greek
-\PackageInfo{bpchem}{using upright greek fonts from cbgreek}
-\input{lgrenc.def}
-\DeclareRobustCommand{\rm@greekletter}[1]{{\fontencoding{LGR}\selectfont%
- \def\encodingdefault{LGR}#1}}%
-\DeclareRobustCommand{\bpalpha}{\rm@greekletter{a}}
-\DeclareRobustCommand{\bpbeta}{\rm@greekletter{b}}
-\DeclareRobustCommand{\bpDelta}{\rm@greekletter{D}}
-\DeclareRobustCommand{\hapto}[1]{\rm@greekletter{h}\^{#1}}
+ \PackageInfo{bpchem}{using upright greek fonts from cbgreek}
+ \input{lgrenc.def}
+ \DeclareRobustCommand{\rm@greekletter}[1]{{\fontencoding{LGR}\selectfont%
+ \def\encodingdefault{LGR}#1}}%
+ \DeclareRobustCommand{\bpalpha}{\rm@greekletter{a}}
+ \DeclareRobustCommand{\bpbeta}{\rm@greekletter{b}}
+ \DeclareRobustCommand{\bpDelta}{\rm@greekletter{D}}
+ \DeclareRobustCommand{\hapto}[1]{\rm@greekletter{h}\^{#1}}
\else
-\PackageInfo{bpchem}{using default math greek fonts}
-\DeclareRobustCommand{\bpalpha}{\ensuremath{\alpha}\xspace}
-\DeclareRobustCommand{\bpbeta}{\ensuremath{\beta}\xspace}
-\DeclareRobustCommand{\bpDelta}{\ensuremath{\Delta}\xspace}
-\DeclareRobustCommand{\hapto}[1]{\ensuremath{\eta^{#1}}}
-\fi
+ \PackageInfo{bpchem}{using default math greek fonts}
+ \DeclareRobustCommand{\bpalpha}{\ensuremath{\alpha}\xspace}
+ \DeclareRobustCommand{\bpbeta}{\ensuremath{\beta}\xspace}
+ \DeclareRobustCommand{\bpDelta}{\ensuremath{\Delta}\xspace}
+ \DeclareRobustCommand{\hapto}[1]{\ensuremath{\eta^{#1}}}
+\fi%
\let\talpha\bpalpha
\let\tbeta\bpbeta
%%%%%%
\DeclareRobustCommand*{\dreh}[1]%
-{$\lbrack \alpha \rbrack _{\mathrm D}^{#1}$}
+ {$\lbrack \alpha \rbrack _{\mathrm D}^{#1}$}
\endinput
%%
%% End of file `bpchem.sty'.