chemarrow doc update (21feb10)

git-svn-id: svn://tug.org/texlive/trunk@17146 c570f23f-e606-0410-a88d-b1316a301751

12 files changed, 475 insertions, 5 deletions

diff --git a/Master/texmf-dist/doc/fonts/chemarrow/Readme.txt b/Master/texmf-dist/doc/fonts/chemarrow/README
index 440efe07dc3..440efe07dc3 100644
--- a/Master/texmf-dist/doc/fonts/chemarrow/Readme.txt
+++ b/Master/texmf-dist/doc/fonts/chemarrow/README
diff --git a/Master/texmf-dist/doc/fonts/chemarrow/arrow.Mac.sit.hqx b/Master/texmf-dist/doc/fonts/chemarrow/arrow.Mac.sit.hqx
new file mode 100644
index 00000000000..4960dcd9a1c
--- /dev/null
+++ b/Master/texmf-dist/doc/fonts/chemarrow/arrow.Mac.sit.hqx
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diff --git a/Master/texmf-dist/doc/fonts/chemarrow/chemarrow-de.pdf b/Master/texmf-dist/doc/fonts/chemarrow/chemarrow-de.pdf
new file mode 100644
index 00000000000..26c94aa9c88
--- /dev/null
+++ b/Master/texmf-dist/doc/fonts/chemarrow/chemarrow-de.pdf
diff --git a/Master/texmf-dist/doc/fonts/chemarrow/chemarrow-de.tex b/Master/texmf-dist/doc/fonts/chemarrow/chemarrow-de.tex
new file mode 100644
index 00000000000..39fb1ea4200
--- /dev/null
+++ b/Master/texmf-dist/doc/fonts/chemarrow/chemarrow-de.tex
@@ -0,0 +1,189 @@
+\documentclass[german, DIV=9, pagesize=auto]{scrartcl}
+
+\usepackage{fixltx2e}
+\usepackage{etex}
+\usepackage{lmodern}
+\usepackage{mflogo}
+\usepackage{wasysym}
+\usepackage[T1]{fontenc}
+\usepackage{textcomp}
+\usepackage{babel}
+\usepackage{array}
+\usepackage[utf8]{inputenc}
+\usepackage{microtype}
+\usepackage[unicode=true]{hyperref}
+
+\newcommand*{\mail}[1]{\href{mailto:#1}{\texttt{#1}}}
+\newcommand*{\pkg}[1]{\textsf{#1}}
+\newcommand*{\cs}[1]{\texttt{\textbackslash#1}}
+\makeatletter
+\newcommand*{\cmd}[1]{\cs{\expandafter\@gobble\string#1}}
+\makeatother
+
+\addtokomafont{title}{\rmfamily}
+
+\title{Das Paket \pkg{chemarrow}}
+\subtitle{Neue Pfeilspitzen fuer chemische Reaktionen}
+\author{Thomas Schroeder\\\mail{schroeder@ictw.chemie.uni-karlsruhe.de}}
+\date{4. Februar 2001}
+
+
+\begin{document}
+
+\maketitle
+
+\tableofcontents
+
+\section{Wozu das ganze?}
+
+\LaTeX\ ist sehr vielseitig zum Setzen der unterschiedlichsten Texte 
+einsetzbar, aber der Satz chemischer Reaktionen ist aesthetisch nicht sehr 
+ansprechend, da die vorhandenen Pfeile \cmd{\rightarrow}, \cmd{\leftarrow} und 
+\cmd{\rightleftharpoons} für diesen Zweck zu kurz sind und die Pfeilspitzen nicht 
+unbedingt dem "`Standard"' entsprechen, den man in Lehrbuechern und Zeitschriften 
+vorfindet.
+
+Das Makro \texttt{chemarrow.sty} soll in Verbindung mit dem Zeichensatz \texttt{arrow.mf} das 
+Setzen chemischer Reaktionsgleichungen in \LaTeX\ vereinfachen und vor allem 
+verschoenern. 
+
+
+\section{Dateien}
+
+\begin{tabular}{@{}>{\ttfamily}l>{\raggedright\arraybackslash}p{85mm}@{}}
+  arrow.mf                 & \MF\ Sourcecode von \pkg{arrow}                            \\
+  arrow.tfm                & \texttt{.tfm} Datei von \pkg{arrow} für \TeX               \\
+  chemarrow.sty            & Makro zum Setzen von Pfeilen für Reaktionsgleichungen      \\
+  Readme.txt               & englische Liesmich Datei                                   \\
+  testchem.tex             & Testdatei für \texttt{chemarrow.sty} und \texttt{arrow.mf} \\
+  Liesmich.txt             & deutsche Liesmich Datei                                    \\
+  Type 1/arrow Mac.sit.hqx & Type~1 Version von \pkg{arrow} für den Mac                 \\
+  Type 1/arrow PC.zip      & Type~1 Version \pkg{arrow} für PC/Unix                     \\
+  Type 1/arrow.mp          & \MP\ Sourcecode zu \pkg{arrow}
+\end{tabular}
+
+\medskip
+
+Die FontLab Datei \texttt{arrow.vfb} in den beiden Type~1 Archiven muss nicht mitkopiert 
+werden, ich habe sie nur dazugepackt, falls jemand mein Design verbessern 
+will \smiley
+
+
+\section{Verwendung}
+
+Die Beispieldatei \texttt{testchem.tex} sollte Aufschluss genug geben, wie das Packet 
+\texttt{chemarrow.sty} verwendet wird, auch gibt es in \texttt{chemarrow.sty} eine 
+Kurzanleitung aller definierten Befehle. Zur Benutzung muss \texttt{arrow.tfm} in 
+einen Ordner kopiert werden, in dem \LaTeX\ nach \texttt{.tfm} Files sucht, \texttt{arrow.mf}
+muss in einen Ordner kopiert werden, in dem \MF\ nach \MF\ Sourcen 
+sucht. Die benoetigten \texttt{.pk} Dateien sollten dann automatisch vom DVI 
+Previewer oder vom Druckertreiber erzeugt  werden.
+
+Ich habe zusaetzlich noch PostScript Type~1 Zeichensaetze fuer den Mac und fuer
+PCs/Unix im \texttt{.pfb} Format beigelegt zur Erzeugung von PDF Dokumenten. Dazu muessen 
+die Type~1 Zeichensaetze in einen Ordner kopiert werden, wo \TeX\ und Freunde 
+nach Type~1 Zeichensaetzen suchen, am besten dort hin, wo sich die Computer 
+Modern Type~1 Zeichensaetze befinden.
+
+Damit dvips weiss, dass es nicht die \texttt{.pk} Zeichensaetze von \texttt{arrow.mf} sondern 
+die Type~1 Zeichensaetze einbinden soll, muss noch ein Eintrag in 
+\texttt{psfonts.map} gemacht werden. 
+%
+\begin{itemize}
+\item Für Macs:\\
+  \verb+arrow arrow <arrow+
+  
+\item PC/Unix:\\
+  \verb+arrow arrow <arrow.pfb+
+\end{itemize}
+
+Bei der Verwendung von pdf\TeX\ statt dvips und Acrobat Distiller muß ein 
+Eintrag in \texttt{pdftex.map} gemacht werden:
+%
+\begin{verbatim}
+arrow <arrow.pfb
+\end{verbatim}
+
+
+\section{Disclaimer}
+
+Das Makro \texttt{chemarrow.sty} und der Font \texttt{arrow.mf} sind schnelle Hacks fuer 
+meine eigenen Zwecke, ob sie auf anderen Systemen einwandfrei funktionieren, 
+kann ich nicht garantieren. Dafuer veroeffentliche ich das ganze Packet als 
+sogennante Free Software, d.\,h.\ jeder kann damit machen, was er will. Ich 
+moechte nur darum bitten, bei Veraenderungen und Wiederveroeffentlichung 
+meinen Namen durch den eigenen zu ergaenzen oder zu ersetzen. Danke.
+
+Fuer Anregungen und Verbesserungen bin ich dankbar und freue mich.
+
+
+\section{Entstehung}
+
+Bei der Suche nach neuen Pfeilen bin ich auf den relativ neuen Zeichensatz 
+\texttt{cryst.mf} von Ulrich Mueller gestossen, der mir ganz gut gefallen hat, und nach 
+ein paar Modifikationen ist daraus \texttt{arrow.mf} entstanden.
+
+Von Andreas Hertwig habe ich ein Makro bekommen, mit dem man verlaengerbare 
+Reaktionspfeile setzen kann. Dieses habe ich an meine Beduerfnisse angepasst, 
+und die Original Pfeilspitzen durch Pfeilspitzen aus \texttt{arrow.mf} ersetzt. Das 
+Original Makro wurde wohl auf einer \TeX\ Mailingliste gepostet, der Autor 
+ist aber leider nicht mehr bekannt. Falls er dieses liest moechte ich mich 
+herzlich fuer die Vorlage bedanken!
+
+Der zeitaufwendigste und komplizierteste Teil war die Umsetzung der 
+\MF\ Sourcen in einen Type~1 Zeichensatz. Leider gibt es kein freies 
+Programm fuer diese Zwecke wie ich enttaeuscht feststellen musste \frownie
+Weiterhin musste ich feststellen, dass das Einbinden von \texttt{.pk} Zeichensaetzen in 
+PDF Dokumente keine schoenen Ergebnisse liefert, das Verwenden von Type~1 
+Zeichensaetzen ist fuer eine leserliche und ansehnliche Darstellung 
+Pflicht \frownie
+
+Aus \texttt{arrow.mp}, einem leicht modifizierten \texttt{arrow.mf}, habe ich mit \MP\ % 
+und \texttt{mfplain} Graphiken im EPS Format erzeugt, und diese in die Demo 
+von FontLab~3.0 importiert. Nach einigen Arbeitsschritten und 
+Verkleinerung auf 79\% konnte ich dann einen Type~1 Zeichensatz abspeichern.
+
+
+\section{Probleme}
+
+Leider bin ich kein Experte auf dem Gebiet der Erstellung von Zeichensaetzen. 
+Das ist wohl der Grund dafuer, warum die Pfeile in einem PDF Dokument auf 
+manchen Plattformen erst ab 125\% Vergroesserung zu erkennen sind. Unterhalb 
+dieser Vergroesserung sieht man nur Striche \frownie
+
+Ich denke, mit einem anstaendigen Hinting duerfte sich dieses Problem loesen 
+lassen, aber das uebersteigt meine derzeitigen Faehigkeiten und die 
+Laufdauer der Demo von Fontlab \smiley
+
+Wenn also jemand weiss, wie man diese letzte Unschoenheit beseitigen kann, 
+waere ich fuer eine Antwort dankbar.
+
+
+\section{Zukuenftige Versionen}
+
+Ehrlich gesagt weiss ich nicht, ob es zukuenftige Versionen dieses Packetes 
+geben wird, denn fuer meine Zwecke tut eigentlich alles, wie es soll. Etwas 
+unschoen ist die direkte Verdrahtung des \pkg{arrow} Zeichensatzes in 
+\texttt{chemarrow.sty}, dies werde ich evtl.\ bei Gelegenheit aendern. Weiterhin 
+unschoen ist das Problem bei PDF Dokumenten, wenn sich da eine Loesung 
+ergibt, werde ich sie veroeffentlichen.
+
+
+\section{Dank}
+
+\begin{itemize}
+\item D. E. Knuth fuer \TeX
+\item L. Lamport fuer \LaTeX\
+\item dem \LaTeX3 Team fuer \LaTeXe
+\item A. Hertwig fuer die freundliche Bereitstellung des Original Makros
+\item dem unbekannten Autor des Original Makros
+\item U. Mueller fuer \texttt{cryst.mf}
+\end{itemize}
+
+
+\section{Autor}
+
+Thomas Schroeder\\
+\mail{schroeder@ictw.chemie.uni-karlsruhe.de}
+
+\end{document}
diff --git a/Master/texmf-dist/doc/fonts/chemarrow/chemarrow.pdf b/Master/texmf-dist/doc/fonts/chemarrow/chemarrow.pdf
new file mode 100644
index 00000000000..ac1cbd3170f
--- /dev/null
+++ b/Master/texmf-dist/doc/fonts/chemarrow/chemarrow.pdf
diff --git a/Master/texmf-dist/doc/fonts/chemarrow/chemarrow.tex b/Master/texmf-dist/doc/fonts/chemarrow/chemarrow.tex
new file mode 100644
index 00000000000..75837e59370
--- /dev/null
+++ b/Master/texmf-dist/doc/fonts/chemarrow/chemarrow.tex
@@ -0,0 +1,184 @@
+\documentclass[DIV=9, pagesize=auto]{scrartcl}
+
+\usepackage{fixltx2e}
+\usepackage{etex}
+\usepackage{lmodern}
+\usepackage{mflogo}
+\usepackage{wasysym}
+\usepackage[T1]{fontenc}
+\usepackage{textcomp}
+\usepackage{array}
+\usepackage{microtype}
+\usepackage[unicode=true]{hyperref}
+
+\newcommand*{\mail}[1]{\href{mailto:#1}{\texttt{#1}}}
+\newcommand*{\pkg}[1]{\textsf{#1}}
+\newcommand*{\cs}[1]{\texttt{\textbackslash#1}}
+\makeatletter
+\newcommand*{\cmd}[1]{\cs{\expandafter\@gobble\string#1}}
+\makeatother
+
+\addtokomafont{title}{\rmfamily}
+
+\title{The \pkg{chemarrow} package}
+\subtitle{New arrow heads for chemical reaction schemes}
+\author{Thomas Schroeder\\\mail{schroeder@ictw.chemie.uni-karlsruhe.de}}
+\date{4 February 2001}
+
+
+\begin{document}
+
+\maketitle
+
+\tableofcontents
+
+\section{What's the name of the game?}
+
+\LaTeX\ can be used to typeset many kinds of different documents, but 
+typesetting chemical reactions is esthetically not very pleasing because 
+\LaTeX's own arrows \cmd{\rightarrow}, \cmd{\leftarrow} and \cmd{\rightleftharpoons} which 
+you might use for this purpose are too short and the arrow heads are not 
+like the ``standard'' ones you will find in books or journals on chemistry.
+
+The macro \texttt{chemarrow.sty} in conjunction with the font \texttt{arrow.mf} is supposed 
+to make the typesetting of chemical reaction schemes in \LaTeX\ easier and 
+especially nicer looking.
+
+
+\section{Dateien}
+
+\begin{tabular}{@{}>{\ttfamily}l>{\raggedright\arraybackslash}p{85mm}@{}}
+  arrow.mf                 & \MF\ source code of the \pkg{arrow} font                         \\
+  arrow.tfm                & \texttt{.tfm} Datei of \pkg{arrow} for the use with \TeX         \\
+  chemarrow.sty            & macro for the typesetting of arrows in chemical reaction schemes \\
+  Readme.txt               & English Readme                                                   \\
+  testchem.tex             & test file for \texttt{chemarrow.sty} and \texttt{arrow.mf}       \\
+  Liesmich.txt             & German Readme                                                    \\
+  Type 1/arrow Mac.sit.hqx & type~1 version of \pkg{arrow} for Macintosh                      \\
+  Type 1/arrow PC.zip      & type~1 version of \pkg{arrow} for PC/Unix                        \\
+  Type 1/arrow.mp          & \MP\ source code of \pkg{arrow}
+\end{tabular}
+
+\medskip
+
+There is no need to copy the FontLab file \texttt{arrow.vfb} included in both of the 
+type~1 archives, I just put it there in case you want to enhance my designs \smiley
+
+
+\section{Usage}
+
+The examples in the file \texttt{testchem.tex} should be sufficient for the
+understanding of how \texttt{chemarrow.sty} works, and there's also a short 
+description in \texttt{chemarrow.sty} of all the newly defined commands. To use the 
+package, \texttt{arrow.tfm} must be copied to a directory where \LaTeX\ will be 
+searching for \texttt{.tfm} files, \texttt{arrow.mf} must be copied to a directory where 
+\MF\ will be searching for \MF\ sources. The required \texttt{.pk} files 
+should be produced automatically by a \textsc{dvi} previewer or a printer driver.
+
+There are also type~1 fonts of \texttt{arrow.mf} in Mac and PC/Unix format so that 
+you can produce PDF documents easily. To use the type~1 font it must be 
+copied to a directory where \TeX\ and friends will be searching for type~1 
+fonts, the best place would of course be where the Computer Modern type~1 
+fonts reside.
+
+If dvips is supposed to use the type~1 font instead of the \texttt{.pk} font you 
+must add this line to \texttt{psfonts.map}:
+%
+\begin{itemize}
+\item for Macintosh:\\
+  \verb+arrow arrow <arrow+
+  
+\item for PC/Unix:\\
+  \verb+arrow arrow <arrow.pfb+
+\end{itemize}
+
+If you use pdf\TeX\ instead of \texttt{dvips} and Acrobat Distiller you must also add 
+this line to \texttt{pdftex.map}:
+%
+\begin{verbatim}
+arrow <arrow.pfb
+\end{verbatim}
+
+
+\section{Disclaimer}
+
+The macro \texttt{chemarrow.sty} and the font \texttt{arrow.mf} are quick hacks for my own 
+needs, I cannot guarantee that they will work an other systems than my own. 
+In exchange I am publishing this package as free software which means you 
+can do whatever you like with it and it comes for free. I would just like 
+to ask that in case you do make changes und publish the package or any parts of 
+it to add your own name or replace it with mine. Thank you.
+
+Any hints and suggestions will be accepted gratefully.
+
+
+\section{History}
+
+As I was looking for new arrows I found a quite new font named \texttt{cryst.mf} by 
+Ulrich Mueller which I rather liked. After a few modifications the new font 
+\texttt{arrow.mf} was born.
+
+I received a macro by Andreas Hertwig with which you can typeset arrows 
+that will change in size. I modified this macro to my needs and replaced the 
+original arrows with the arrows from \texttt{arrow.mf}. The original macro was apparently 
+posted in a \TeX\ mailing list, but its author is unfortunately unknown. So, if 
+you are the original author and read this I'd like to thank you for your work!
+
+The most time consuming and complicated part was to produce a type~1 font 
+from my \MF\ sources. Unfortunately there is no free software to do 
+this \frownie
+Also, if you include \texttt{.pk} fonts into PDF documents you won' get nice results 
+because Acrobat Reader renders them very poorly. Therefore it is vital to 
+include type~1 fonts into a PDF document \frownie
+
+Using \texttt{arrow.mp} which is a slightly modified \texttt{arrow.mf} in combination with 
+\MP\ and \texttt{mfplain} I was able to produce graphics in the EPS format which I 
+imported into a demo of FontLab~3.0. After a few steps and reducing the 
+size to 79\% I was able to save the font in type~1 format.
+
+
+\section{Problems}
+
+Unfortunately I am no expert on creating fonts. This is probably why the 
+arrows will show on some platforms only at 125\% or larger. Below 125\% there 
+will only be some strokes \frownie
+
+I think if someone did a manual hinting of the font then this problem 
+would be remedied, but this will probably not be me because this is out of 
+my league and beyond the time limit of the demo of FontLab \smiley
+
+So if there is somebody out there who is able to help me with this problem 
+I'd be grateful.
+
+
+\section{Future versions}
+
+To tell you the truth, I don't really know if there will be future versions 
+because as far as I'm concerned the package works as it is supposed to. 
+The direct linking of the \pkg{arrow} font in \texttt{chemarrow.sty} is maybe not so nice, 
+so this might be something I will change in the future. The rendering 
+problem of PDF documents on some platforms is also not very nice so if 
+some sort of solution pops up I will publish it.
+
+
+\section{Thank-Yous}
+
+\begin{itemize}
+\item D. E. Knuth for \TeX
+\item L. Lamport for \LaTeX
+\item to the \LaTeX3 team for \LaTeXe
+\item A. Hertwig for being so nice to give me the original macro
+\item to the unknown author of the original macro
+\item U. Mueller for \texttt{cryst.mf}
+\end{itemize}
+
+
+\section{Author}
+
+Thomas Schroeder\\
+\mail{schroeder@ictw.chemie.uni-karlsruhe.de}
+
+PS: Sorry for any misspellings and such, English is not my native 
+language \smiley
+
+\end{document}
diff --git a/Master/texmf-dist/doc/fonts/chemarrow/testchem.dvi b/Master/texmf-dist/doc/fonts/chemarrow/testchem.dvi
deleted file mode 100644
index 304e5032ff8..00000000000
--- a/Master/texmf-dist/doc/fonts/chemarrow/testchem.dvi
+++ /dev/null
diff --git a/Master/texmf-dist/fonts/map/dvips/chemarrow/chemarrow.map b/Master/texmf-dist/fonts/map/dvips/chemarrow/chemarrow.map
index 9b49ca6282f..cb69290f25a 100644
--- a/Master/texmf-dist/fonts/map/dvips/chemarrow/chemarrow.map
+++ b/Master/texmf-dist/fonts/map/dvips/chemarrow/chemarrow.map
@@ -1,2 +1,2 @@
-% public domain.
+% public domain.                                                        
 arrow arrow <arrow.pfb
diff --git a/Master/texmf-dist/fonts/type1/public/chemarrow/Arrow.vfb b/Master/texmf-dist/source/fonts/chemarrow/Arrow.vfb
index 1b8de6049bf..1b8de6049bf 100644
--- a/Master/texmf-dist/fonts/type1/public/chemarrow/Arrow.vfb
+++ b/Master/texmf-dist/source/fonts/chemarrow/Arrow.vfb
diff --git a/Master/texmf-dist/source/fonts/chemarrow/arrow.mp b/Master/texmf-dist/source/fonts/chemarrow/arrow.mp
new file mode 100644
index 00000000000..b0433548151
--- /dev/null
+++ b/Master/texmf-dist/source/fonts/chemarrow/arrow.mp
@@ -0,0 +1,90 @@
+%
+% arrow.mf produces new arrow heads e.g. for chemical reaction schemes
+%
+% Author: Thomas Schroeder schroeder@ictw.chemie.uni-karlsruhe.de
+%
+% Version: 0.5 February 1 2001
+%
+% arrow.mf is inspired by and based on cryst.mf version 1.0 by Ulrich Mueller
+%
+
+
+
+mode_setup; font_size 10pt#;
+font_identifier:="arrow"; font_coding_scheme:="UNSPECIFIED";
+ff:=0.82;
+u#:=ff*0.10pt#;
+br#:=108u#; ho#:=100u#; ul#:=32u#; % Breite, Hoehe, Unterlaenge
+define_pixels(u,br,ho,ul);
+
+
+beginchar(65,120u#,68u#,0);
+"right arrow";
+z1=(0u,33.2u); z2=(88u,33.2u); z3=(88u,27.7u); z4=(0,27.7u);
+z5=(116u,30.7u); z6=(63u,7.2u); z7=(62u,9.2u);
+z8=(76u,30.7u); z9=(62u,51.2u); z10=(63u,53.2u);
+fill z10{dir -28}..{dir -15}z5..z5{dir -165}..{dir -152}z6--z7--z8--z9--cycle;
+fill z1--z2--z3--z4--cycle;
+% labels(range 1 thru 10);
+endchar;
+
+
+beginchar(66,120u#,68u#,0);
+"up right harpoon";
+z1=(0u,33.2u); z2=(88u,33.2u); z3=(88u,27.7u); z4=(0,27.7u);
+z5=(116u,27.7u); z6=(63u,55u); z7=(62u,53u); z8=(74u,27.7u);
+fill z6{dir -32}..{dir -22}z5--z8--z7--z6..cycle;
+fill z1--z2--z3--z4--cycle;
+% labels(range 1 thru 8);
+endchar;
+
+beginchar(67,120u#,68u#,0);
+"down right harpoon";
+z1=(0u,33.2u); z2=(88u,33.2u); z3=(88u,27.7u); z4=(0,27.7u);
+z5=(116u,33.2u); z6=(63u,5u); z7=(62u,7u); z8=(76u,33.2u);
+fill z6{dir 32}..{dir 22}z5--z8--z7--cycle;
+fill z1--z2--z3--z4--cycle;
+% labels(range 1 thru 8);
+endchar;
+
+
+beginchar(68,120u#,68u#,0);
+"left arrow";
+z1=(120u,33.2u); z2=(32u,33.2u); z3=(32u,27.7u); z4=(120u,27.7u);
+z5=(4u,30.7u); z6=(57u,7.2u); z7=(58u,9.2u);
+z8=(42u,30.7u); z9=(58u,51.2u); z10=(57u,53.2u);
+fill z10{dir -152}..{dir -165}z5..z5{dir -15}..{dir -28}z6--z7--z8--z9--cycle;
+fill z1--z2--z3--z4--cycle;
+% labels(range 1 thru 10);
+endchar;
+
+beginchar(69,120u#,68u#,0);
+"up left harpoon";
+z1=(120u,33.2u); z2=(31u,33.2u); z3=(31u,27.7u); z4=(120u,27.7u);
+z5=(4u,27.7u); z6=(57u,55u); z7=(58u,53u); z8=(46u,27.7u);
+fill z5{dir 22}..{dir 32}z6--z7--z8--z5..cycle;
+fill z1--z2--z3--z4--cycle;
+% labels(range 1 thru 8);
+endchar;
+
+
+beginchar(70,120u#,68u#,0);
+"down left harpoon";
+z1=(120u,33.2u); z2=(31u,33.2u); z3=(31u,27.7u); z4=(120u,27.7u);
+z5=(4u,33.2u); z6=(57u,5u); z7=(58u,7u); z8=(40u,33.2u);
+%fill z5{dir 22}..{dir 32}z6--z7--z8--z5..cycle;
+fill z5{dir -15}..{dir -28}z6--z7--z8--z5..cycle;
+fill z1--z2--z3--z4--cycle;
+% labels(range 1 thru 8);
+endchar;
+
+beginchar(71,74u#,68u#,0);
+"new minus sign";
+% z1=(2u,33.2u); z2=(72u,33.2u); z3=(72u,27.7u); z4=(2u,27.7u); z5=(0u,30.7u); z6=(74u,30.7u);
+z2=(2u,33.2u); z3=(72u,33.2u); z5=(72u,27.7u); z6=(2u,27.7u); z1=(0u,30.7u); z4=(74u,30.7u);
+% fill z2--z3--z5--z6--cycle;
+fill z6..z1..z2--z3..z4..z5--z6--cycle;
+% labels(range 1 thru 6);
+endchar;
+
+bye.
diff --git a/Master/tlpkg/bin/tlpkg-ctan-check b/Master/tlpkg/bin/tlpkg-ctan-check
index 34c79ebcfba..93df82c27d6 100755
--- a/Master/tlpkg/bin/tlpkg-ctan-check
+++ b/Master/tlpkg/bin/tlpkg-ctan-check
@@ -18,7 +18,8 @@ my $tlpdb;
 my $Master;
 our %OPT;
 
-my @TLP_working = qw( # these packages should be up to date
+# these packages should be up to date:
+my @TLP_working = qw(
   12many
   a0poster a2ping a4wide a5comb
     aastex abbr abc abstract abstyles accfonts achemso
@@ -60,7 +61,7 @@ my @TLP_working = qw( # these packages should be up to date
     cd cd-cover cdpbundl
     cell cellspace censor
     changebar changelayout changepage changes chappg chapterfolder
-    chbibref chem-journal chembst chemcompounds chemcono
+    chbibref chem-journal chemarrow chembst chemcompounds chemcono
     chemstyle cherokee chess-problem-diagrams chessboard chessfss
     chicago-annote chletter chngcntr circ circuitikz
     cite citeref cjhebrew cjk cjkpunct cjw classicthesis
@@ -309,7 +310,8 @@ my @TLP_working = qw( # these packages should be up to date
   ziffer zhmetrics zhspacing zwgetfdate zwpagelayout
 ); 
 
-my @TLP_no_check = qw( # these packages we do not expect to check
+# these packages we do not expect to check:
+my @TLP_no_check = qw(
   afm2pl  # not on CTAN
 );
 
diff --git a/Master/tlpkg/libexec/ctan2tds b/Master/tlpkg/libexec/ctan2tds
index 3472eca7739..a89c135be66 100755
--- a/Master/tlpkg/libexec/ctan2tds
+++ b/Master/tlpkg/libexec/ctan2tds
@@ -133,7 +133,7 @@ $Master = "$mydir/../..";
  'cfr-lm',	"die 'skipping, experimental per author'",
  'changebar',	"&MAKEchangebar",
  'chapterbib',	"die 'skipping, update cite instead'",
- #'chemarrow',   "&MAKEflatten", # check about Arrow.vfb
+ 'chemarrow',   "&MAKEflatten", # check about Arrow.vfb
  'chemsym',	"die 'skipping, nonfree'",
  'cheq',	"die 'skipping, nosell license'",
  'china2e',	"die 'skipping, nosell license'",
@@ -990,6 +990,7 @@ $standardtex='\.(cfg|sty|clo|ldf|cls|def|fd|cmap|4ht)$';
  'cbfonts',		'fonts',
  'cc-pl',		'fonts',
  'chicago-annote',	'bibtex',
+ 'chemarrow',		'fonts',
  'circ',		'latex',
  'cirth',		'fonts',
  'cjhebrew',		'fonts',
@@ -1184,6 +1185,7 @@ $standarddocfmt='latex';
  'blacklettert1','fonts',
  'blockdraw_mp','metapost',
  'cb',		'fonts',
+ 'chemarrow',	'fonts',
  'circ',	'latex',
  'cirth',	'generic',
  'cjhebrew',	'fonts',
@@ -1254,6 +1256,7 @@ $standardsource='\.fdd|\.dtx|\.ins|\.c$|Makefile|configure.*|install-sh|\.drv';
  'bigints',		'NULL',
  'blacklettert1',	'\.dtx|\.ins|\.pl|Makefile',
  'carlisle',		'\.dtx|\.ins|ltxtable\.tex',
+ 'chemarrow',		'\.mp|\.vfb',
  'crossword',		$standardsource . '|AcrossLite',
  'epsf',		'NULL',
  'epslatex-fr',		'NULL',
@@ -1370,6 +1373,7 @@ $standardmp = '\.mp$';
 %specialmp = (
  'automata',	'automata.mp',	# skip example.mp
  'bpolynomial',	'bpolynomial.mp', # skip examples.mp
+ 'chemarrow',	'NULL',		# don't install arrow.mp
  'dviincl',	'fix.*mp',	# skip test-bop.mp
  'epsincl',	'eps.*mp',	# skip testincl.mp
  'feynmp',	'feynmp.mp',