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diff --git a/Master/texmf-dist/doc/latex/chemsym/pertab.tex b/Master/texmf-dist/doc/latex/chemsym/pertab.tex
deleted file mode 100644
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-%%
-%% This is file `pertab.tex',
-%% generated with the docstrip utility.
-%%
-%% The original source files were:
-%%
-%% chemsym.dtx  (with options: `periodsyst')
-%% 
-%% 
-%% Copyright (c) 1995-97 by Mats Dahlgren <matsd@homenet.se>.
-%% All rights reserved.  See the file `chemsym.ins' for information
-%% on how you may (re-)distribute the `chemsym' package files.
-%% 
-%% 
-\documentclass[]{article}
-\usepackage[dvips]{rotating}
-\usepackage{chemsym}
-\textwidth=170mm
-\oddsidemargin=-6mm
-\evensidemargin=-6mm
-\textheight=270mm
-\topmargin=-25mm
-\parindent=0em
-\parskip=3ex
-\pagestyle{empty}
-\renewcommand{\nsrrms}[2][0]{\ensuremath{\mathrm{#2}\kern #1em}}
-\begin{document}
-\setlength{\tabcolsep}{3pt}
-\begin{sidewaystable}
-\vspace*{-24mm}
-\begin{tabular}{|*{18}{c|}}
-\multicolumn{18}{c}{ } \\[3mm]
-\multicolumn{18}{c}{\LARGE Periodic Table of the Elements} \\
-\multicolumn{18}{c}{with relative atomic masses 1993 according to IUPAC} \\
-\multicolumn{18}{c}{ } \\[-2mm] \hline
-\textbf{1} & \textbf{2} & \textbf{3} & \textbf{4} & \textbf{5} &
-\textbf{6} & \textbf{7} & \textbf{8} & \textbf{9} & \textbf{10} &
-\textbf{11} & \textbf{12} & \textbf{13} & \textbf{14} & \textbf{15} &
-\textbf{16} & \textbf{17} & \textbf{18} \\
-\textbf{(I)} & \textbf{(II)} & & & & & & & & & & & \textbf{(III)} &
-\textbf{(IV)} & \textbf{(V)} & \textbf{(VI)} & \textbf{(VII)} &
-\textbf{(VIII)} \\ \hline
-\multicolumn{18}{c}{ } \\[-2mm] \cline{1-1} \cline{18-18}
-_1 & \multicolumn{16}{c|}{ } & _2\\
-\H & \multicolumn{16}{c|}{ } & \He\\
-^{1.00794} & \multicolumn{16}{c|}{ } & ^{4.002602} \\ \cline{1-2}
-\cline{7-8} \cline{13-18}
-_3 & _4 & \multicolumn{4}{c|}{ } &
-\multicolumn{2}{c|}{_{\mathrm{Atomic\ number}}} &
-\multicolumn{4}{c|}{ }
-& _5 & _6 & _7 &
-_8 & _9 & _{10}\\
-\Li & \Be & \multicolumn{4}{c|}{ } &
-\multicolumn{2}{c|}{Symbol} &  \multicolumn{4}{c|}{ }
-& \B & \C & \N & \O & \F & \Ne\\
-^{6.941} & ^{9.012182} & \multicolumn{4}{c|}{ } &
-\multicolumn{2}{c|}{^{\mathrm{Relative\ atomic\ mass}^\ast}} &
-\multicolumn{4}{c|}{ } & ^{10.811} &
-^{12.011} & ^{14.00674} & ^{15.9994} & ^{18.9984032} & ^{20.1797} \\
-\cline{1-2} \cline{7-8} \cline{13-18}
-_{11} & _{12} & \multicolumn{10}{c|}{ } & _{13} &
-_{14} & _{15} & _{16} & _{17} & _{18} \\
-\Na & \Mg & \multicolumn{10}{c|}{ } & \Al &
-\Si & \P & \S & \Cl & \Ar\\
-^{22.989768} & ^{24.3050} & \multicolumn{10}{c|}{ } &
-^{26.981539} & ^{28.0855} & ^{30.973762} & ^{32.066} &
-^{35.4527} & ^{39.948} \\ \hline
-_{19} & _{20} & _{21} & _{22} & _{23} & _{24} &
-_{25} & _{26} & _{27} & _{28} & _{29} & _{30} &
-_{31} & _{32} & _{33} & _{34} & _{35} & _{36}\\
-\K & \Ca & \Sc & \Ti & \V & \Cr & \Mn & \Fe & \Co & \Ni & \Cu & \Zn &
-\Ga & \Ge & \As & \Se & \Br & \Kr\\
-^{39.0983} & ^{40.078} & ^{44.955910} & ^{47.867} &
-^{50.9415} & ^{51.9961} & ^{54.93805} & ^{55.845} &
-^{58.93320} & ^{58.6934} & ^{63.546} & ^{65.39} & ^{69.723} &
-^{72.61} & ^{74.92159} & ^{78.96} & ^{79.904} & ^{83.80} \\ \hline
-_{37} & _{38} & _{39} & _{40} & _{41} & _{42} &
-_{43} & _{44} & _{45} & _{46} & _{47} & _{48} &
-_{49} & _{50} & _{51} & _{52} & _{53} & _{54} \\
-\Rb & \Sr & \Y & \Zr & \Nb & \Mo &
-\Tc & \Ru & \Rh & \Pd & \Ag & \Cd &
-\In & \Sn & \Sb & \Te & \I & \Xe\\
-^{85.4678} & ^{87.62} & ^{88.90585} & ^{91.224} & ^{92.90638} &
-^{95.94} & ^{(98)} & ^{101.07} & ^{102.90550} & ^{106.42} &
-^{107.8682} & ^{112.411} & ^{114.818} & ^{118.710} &
-^{121.760} & ^{127.60} & ^{126.90447} & ^{131.29} \\ \hline
-_{55} & _{56} & & _{72} & _{73} & _{74} &
-_{75} & _{76} & _{77} & _{78} & _{79} & _{80} &
-_{81} & _{82} & _{83} & _{84} & _{85} & _{86} \\
-\Cs & \Ba & \raisebox{1.5mm}[0pt][0pt]{\La --} & \Hf & \Ta &
-\W & \Re & \Os & \Ir & \Pt & \Au & \Hg &
-\Tl & \Pb & \Bi & \Po & \At & \Rn\\
-^{132.90543} & ^{137.327} & \raisebox{1.5mm}[0pt][0pt]{\Lu} &
-^{178.49} & ^{180.9479} &
-^{183.84} & ^{186.207} & ^{190.23} & ^{192.217} & ^{195.08} &
-^{196.96654} & ^{200.59} & ^{204.3833} & ^{207.2} &
-^{208.98037} & ^{(209)} & ^{(210)} & ^{(222)} \\
-\hline
-_{87} & _{88} & & _{104} & _{105} & _{106} &
-_{107} & _{108} & _{109} & \multicolumn{1}{c}{$_{\ast\ast}$} \\
-\Fr & \Ra & \raisebox{1.5mm}[0pt][0pt]{\Ac --} & \Db & \Jl &
-\Rf & \Bh & \Hn & \Mt\\
- ^{(223)} & ^{(226)} & \raisebox{1.5mm}[0pt][0pt]{\Lr} & ^{(261)} &
-^{(262)} & ^{(263)} & ^{(262)} & ^{(265)} & ^{(266)} \\
-\cline{1-9}
-\multicolumn{18}{c}{ } \\ \cline{3-17}
-\multicolumn{2}{c|}{ } & _{57} & _{58} & _{59} & _{60} & _{61}
-& _{62} & _{63} & _{64} & _{65} & _{66} & _{67} & _{68} & _{69}
-& _{70} & _{71} \\
-\multicolumn{2}{c|}{ } & \La &
-\Ce & \Pr & \Nd & \Pm & \Sm & \Eu & \Gd & \Tb & \Dy & \Ho & \Er & \Tm &
-\Yb & \Lu \\
-\multicolumn{2}{c|}{ } & ^{138.9055} & ^{140.115} &
-^{140.90765} & ^{144.24} & ^{(145)} & ^{150.36} & ^{151.965} &
-^{157.25} & ^{158.92534} & ^{162.50} & ^{164.93032} &
-^{167.26} & ^{168.93421} & ^{173.04} & ^{174.967} \\ \cline{3-17}
-\multicolumn{2}{c|}{ } & _{89} &
-_{90} & _{91} & _{92} & _{93} & _{94} & _{95} &
-_{96} & _{97} & _{98} & _{99} & _{100} &
-_{101} & _{102} & _{103} \\
-\multicolumn{2}{c|}{ } & \Ac &
-\Th & \Pa & \U & \Np & \Pu & \Am & \Cm & \Bk & \Cf & \Es & \Fm &
-\Md & \No & \Lr \\
-\multicolumn{2}{c|}{ } & ^{(227)} & ^{(232.0381)}& ^{(231.03588)} &
-^{(238.0289)}& ^{(237)} & ^{(239)} & ^{(243)} & ^{(247)} &
-^{(247)} & ^{(251)} & ^{(252)} & ^{(257)} & ^{(258)} &
-^{(259)} & ^{(262)} \\ \cline{3-17}
-\multicolumn{18}{c}{ } \\[5mm]
-\multicolumn{1}{r}{$^\ast$} &
-\multicolumn{17}{l}{Relative atomic mass based on
-$A_{\mathrm{r}}(^{12}\C )\equiv 12$ (after IUPAC ``Atomic Weights
-of the Elements 1993'', \textit{Pure and Applied Chemistry,}
-\textbf{1994,} \textsl{66}(12), 2423-} \\
-\multicolumn{1}{c}{{ }} &
-\multicolumn{17}{l}{2444). For elements which lack stable isotope(s) is
-the mass number for the most stable isotope given in parentheses,
-or for \Th, \Pa{} and \U{} the relative }\\
-\multicolumn{1}{c}{{ }} &
-\multicolumn{17}{l}{atomic mass given by IUPAC for the isotopic mixture
-present on Earth.  } \\
-\multicolumn{1}{r}{$^{\ast\ast}$} &
-\multicolumn{17}{l}{Chemical symbols for elements 104 -- 109
-according to IUPAC ``Names and Symbols of Transfermium Elements
-(IUPAC Recommendations 1994)'', \textit{Pure} } \\
-\multicolumn{1}{c}{{ }} &
-\multicolumn{17}{l}{\textit{and Applied Chemistry,}
-\textbf{1994,} \textsl{66}(12), 2419-2421.} \\
-\multicolumn{18}{r}{\scriptsize Copyright \copyright{} 1995 - 1997
-  by Mats Dahlgren.} \\
-\end{tabular}
-\end{sidewaystable}
-\end{document}
-\endinput
-%%
-%% End of file `pertab.tex'.
diff --git a/Master/texmf-dist/source/latex/chemsym/00readme.chs b/Master/texmf-dist/source/latex/chemsym/00readme.chs
deleted file mode 100644
index 3f78aa48af6..00000000000
--- a/Master/texmf-dist/source/latex/chemsym/00readme.chs
+++ /dev/null
@@ -1,34 +0,0 @@
-
-
-This is the file `00readme.chs', which accompanies the
-`chemsym' package distribution.  The package defines
-commands for the chemical symbols of the elements, which
-always are type-set in upright font, as they should.  If not
-followed by a stoichiometric number, a small space is
-inserted.  To use the package, run LaTeX on `chemsym.ins'.  
-This produces the files `chemsym.sty', which contains the
-macro definitions, and `pertab.tex' which contains the LaTeX code 
-for the Periodic Table of the Elements.  To obtain the userguide 
-and documentation, run LaTeX on `chemsym.dtx' after running LaTeX 
-on `chemsym.ins'.  
-
-
-The 'chemsym' package consists of two files:
-    chemsym.ins   -  the installation driver
-    chemsym.dtx   -  the macro code, instructions on how to use 
-                     the package, an example, and the code for the 
-                     Periodic Table in `docstrip'-able format.
-Anyone is free to re-distribute these files provided the restrictions
-mentioned in 'chemsym.ins' are obeyed.  These are mainly that the 
-two files always must be distributed together and that noone is 
-allowed to distribute the files for profit.  
-
-Inquiries can be sent to:  <matsd@homenet.se>.
-
-
-
-
-____________________________________________________________________
-Copyright (c) 1997 by Mats Dahlgren.
-
-
diff --git a/Master/texmf-dist/source/latex/chemsym/chemsym.dtx b/Master/texmf-dist/source/latex/chemsym/chemsym.dtx
deleted file mode 100644
index df8ccee50ca..00000000000
--- a/Master/texmf-dist/source/latex/chemsym/chemsym.dtx
+++ /dev/null
@@ -1,646 +0,0 @@
-%   
-%  \iffalse   
-%   
-%    The first part is a comment to the reader(s) of `chemsym.dtx'. 
-% 
-%  chemsym.dtx    Version 1.1, July 07, 1997   
-%  (c) 1995-97 by Mats Dahlgren  (matsd@homenet.se) 
-% 
-%  Please see the information in file `chemsym.ins' on how you  
-%  may use and (re-)distribute this file.  Run LaTeX on the file  
-%  `chemsym.ins' to get a .sty-file and instructions.   
-% 
-%  This file may NOT be distributed if not accompanied by 'chemsym.ins'. 
-% 
-%<*driver> 
-\documentclass[a4paper]{ltxdoc} 
-\usepackage{chemsym} 
-\textwidth=150mm 
-\textheight=210mm 
-\topmargin=0mm 
-\oddsidemargin=5mm 
-\evensidemargin=5mm 
-  \DocInput{chemsym.dtx}  
-%  \PrintChanges 
-\end{document} 
-%</driver> 
-%  \fi 
-%   
-%  \CheckSum{559} 
-%   
-%  \def\filename{chemsym.dtx} 
-%  \def\fileversion{1.1} 
-%  \def\filedate{1997/07/07}\def\docdate{\filedate} 
-%  \MakeShortVerb{\|} 
-%  \date{\docdate} 
-%  \title{\textsf{chemsym} -- a \LaTeX{} Macro for Chemical  
-%  Symbols\thanks{This document describes \textsf{chemsym} version  
-%  \fileversion , and was last updated \docdate .}} 
-%  \author{Mats Dahlgren\\ (\texttt{matsd@homenet.se})}  
-%  \begin{document} 
-%  \maketitle 
-%  \begin{abstract} 
-%  This document describes the \textsf{chemsym} package, which makes  
-%  it easier to type chemical symbols correctly, without having  
-%  to worry about math mode or text mode.  Furthermore,  
-%  \textsf{chemsym} makes both the super- and the subscript commands  
-%  (|^| and |_|) and `\cdot' (|\cdot|) available in text mode.  
-%  \\ This file and the package:\ 
-%  Copyright \copyright\ 1997 by Mats Dahlgren.  All rights 
-%  reserved.  
-%  \end{abstract} 
-%    
-%  \section{Introduction} 
-%  \textsf{chemsym} is a \LaTeX{} package which makes it easier to  
-%  type chemical symbols correctly.  It defines a command for  
-%  each element of the periodic table (the 109 first),   
-%  Deuterium, the Methyl, Ethyl and Butyl groups\footnote{% 
-%  Suggested by Ulf Henriksson (\texttt{ulf@physchem.kth.se}).}  
-%  (for the Propyle group, use |\Pr|, Praseodymium), and the  
-%  $-$OH, $-$COOH, and $-$CH groups.   
-%  The use of the commands results in a up-right  
-%  chemical symbol, regardless of whether it is used in  
-%  math mode or text mode.  If not followed by a sub- or  
-%  superscript, a |(|, a |)|, a |[|, or a |]| a small space  
-%  is added (slightly less than what `|\,|' gives). 
-%   
-%  For elements 104-109 there is a (yet not settled)  
-%  discussion on which names and symbols to use.  I have chosen  
-%  to use the names recommended by IUPAC.  These  
-%  recommendations were published in ``Names and symbols of  
-%  transfermium elements (IUPAC recommendations 1994)'',  
-%  \textit{Pure and Applied Chemistry} \textbf{1994},  
-%  \textsl{66}(12), 2419-2421.  The recommended names are  
-%  Dubnium, \Db, Joliotium, \Jl, Rutherfordium, \Rf, Bohrium,  
-%  \Bh, Hahnium, \Hn, and Meitnerium, \Mt, respectively.  
-%    
-%  \section{Userguide} 
-%  \subsection{Requirements}      
-%  The file |chemsym.sty| must be available in the user's 
-%  |TEXINPUTS| directories.   
-%  It requires \LaTeXe{} of 1996/12/01 (or newer). 
-%    
-%  \subsection{Usage} 
-%  The package is included by stating\\ 
-%  |  \usepackage[|\textit{option}|]{chemsym}| \\ 
-%  In the document preamble. 
-%  The only option which has any effect on \textsf{chemsym} is  
-%  |collision|, see below. 
-%    
-%  \subsection{Commands}          
-%   
-%  \DescribeMacro{chemical} \DescribeMacro{symbols}  
-%  The \textsf{chemsym} package defines 116 user commands; one for  
-%  each of the 109 first elements, Deuterium, the Methyl,  
-%  Ethyl and Butyl groups 
-%  (for the Propyle group, use |\Pr|, Praseodymium), and the  
-%  $-$OH, $-$COOH, and $-$CH groups.  The command  
-%  names are all made up of the chemical symbol preceeded by  
-%  `|\|'; thus for Nitrogen, \N, you type |\N|, and for Mercury,  
-%  \Hg, |\Hg|, etc.  These commands appear to be robust. 
-%  To obtain `\CH_2', you simply type `|\CH_2|' in your input  
-%  file; `\CH_3' is obtained by typing `|\CH_3|' (of course). 
-%  
-%  \DescribeMacro{\H}   \DescribeMacro{\O}   \DescribeMacro{\P}  
-%  \DescribeMacro{\S}   \DescribeMacro{\Re}  \DescribeMacro{\Pr}  
-%  Since there are six commands in \TeX /\LaTeX{}  
-%  already of this kind (|\H|, |\O|, |\P|, |\S|, |\Re|, and  
-%  |\Pr|), and one environment in $\mathcal{AMS}$-\LaTeX{}  
-%  \DescribeMacro{Sb} 
-%  (the |Sb| environment),\footnote{Thanks to Thorsten L\"{o}hl  
-%  (\texttt{lohl@uni-muenster.de}) for pointing out this.}  
-%  these old commands have to be renamed.   
-%  The names of choice are shown in the table below.   
-%  \MakeShortVerb{\+} 
-%  \DeleteShortVerb{\|} 
-%  \begin{center} 
-%  \begin{tabular}{|l|l|l|}  \hline 
-%  \TeX{} & With \textsf{chemsym} & Use/Example \\ 
-%  command & you write & \\ \hline  
-%  +\H+ & +\h+ & The accent in `\h{o}' \\ \hline  
-%  +\O+ & +\OO+ & \OO \\ \hline  
-%  +\P+ & +\PP+ & \PP \\ \hline  
-%  +\S+ & +\Ss+ & \Ss \\ \hline   
-%  +\Re+ & +\re+ & $\re$ (in math mode) \\ \hline  
-%  +\Pr+ & +\pr+ & $\pr$ (in math mode) \\ \hline  
-%  +\begin{Sb}+ & +\begin{SB}+ & (with $\mathcal{AMS}$-\LaTeX) \\ \hline  
-%  +\end{Sb}+ & +\end{SB}+ & (with $\mathcal{AMS}$-\LaTeX) \\ \hline  
-%  \end{tabular} 
-%  \end{center} 
-%  \DeleteShortVerb{\+} 
-%  \MakeShortVerb{\|} 
-%  \DescribeMacro{\kemtkn}  
-%  Also, |\kemtkn|, a command  
-%  for defining other chemical symbols and similar functions is  
-%  available.  |\kemtkn| takes one mandatory argument (the  
-%  string to treat as a chemical symbol).  Two other  
-%  \DescribeMacro{\nsrrm}   \DescribeMacro{\nsrrms}  
-%  internal commands, |\nsrrm| and |\nsrrms| are also  
-%  available.  |\nsrrm| simply puts its (mandatory) argument in  
-%  |mathrm|.  |\nsrrms| does the same, but also adds a small  
-%  space after it.  This space is a second, optional, argument  
-%  to |\nsrrms| which should be given in |em| units (without  
-%  `|em|').  The default is |0.1em|. 
-%  \DescribeMacro{^}   \DescribeMacro{_}  
-%  For convenience when typing chemical formulas and units with  
-%  exponents, the super- and subscript commands |^| and |_| are  
-%  made available also outside of math mode, provided the option  
-%  |collision| is \emph{not} specified.  Thus, with  
-%  \textsf{chemsym} you can type |m^2| instead of |m$^2$| for m^2 also  
-%  in text mode.  Analogously, you can type |\H_2\O| for \H_2\O{}  
-%  in both math and text mode and get the same result.   
-%  Notice that text which you may put in the arguments of |^|  
-%  and |_| automatically is set in math mode.  So if you want  
-%  `M_{\mathrm{q}}' you must type |M_{\mathrm{q}}| and not only  
-%  |M_q|, the latter comes out as `M_q'.  (This feature is not  
-%  seriously disturbing since this feature with |^| and |_| is  
-%  intended to be used mainly with numbers in the arguments.)   
-%  
-%  \DescribeMacro{\cdot} Futhermore, the |\cdot| command  
-%  (producing a `\cdot') is also available outside math mode.  This  
-%  feature is included to facilitate typing formulas like  
-%  ``\CH_3\cdot\CH_3'' (|\CH_3\cdot\CH_3|) also in text  
-%  mode.\footnote{Also suggested by Ulf Henriksson  
-%  (\texttt{ulf@physchem.kth.se}).}  
-%   
-%  \subsection{The \texttt{collision} option} 
-%   
-%  \DescribeMacro{collision} 
-%  To avoid probelms with other packages due to |^| (and |_|) being  
-%  active, this may be swithced off by stating the option  
-%  |collision| when loading the \textsf{chemsym} package.  If you get  
-%  the following error message (or a similar), you are likely to have  
-%  such a collision with \textsf{chemsym} involved (in this case with  
-%  \textsf{longtable}): 
-%  \begin{verbatim} 
-%    ! Argument of ^ has an extra }. 
-%    <inserted text>  
-%                    \par  
-%    l.120 \end{longtable} 
-%                       
-%    ?  
-%  \end{verbatim} 
-%  To solve the problem, state the |collision| option \emph{and}  
-%  delete the |.aux| file before running \LaTeX{} again.  Some  
-%  packages contain |^^J|-constructs which may not always be apparent  
-%  to the user.  One example, which collides with  
-%  \textsf{chemsym}, is 
-%  the \textsf{multicol} package's warning if you specify only one  
-%  column.  In that case, the error message is: 
-%  \begin{verbatim} 
-%    ! Argument of ^ has an extra }. 
-%    <inserted text>  
-%                    \par  
-%    l.18 \begin{multicols}{1} 
-%                           
-%    ?  
-%  \end{verbatim} 
-%  In this case, you \emph{may} come around the problem by specifying  
-%  a number of columns $\geq 2$; if not, specify the |collision|  
-%  option for the \textsf{chemsym} package. 
-%   
-%  \section{Examples} 
-%   
-%  This section gives some simple examples of the use of  
-%  \textsf{chemsym}.  To write the formula for water in both math  
-%  and text mode,  
-%  you type |\H_2\O{}|, which gives \H_2\O{} as result.  Notice  
-%  that this differs from typing |\H$_2$\O|, which gives  
-%  \H$_2$\O{} as result.  In the first example, there is not  
-%  any extra space added after the \H .  This addition of space  
-%  makes formulas like \H\C\N{} (|\H\C\N|) easier to read than  
-%  just typing |HCN|: HCN. 
-%   
-%  \newcommand{\hH}{\kemtkn{{}^2H}}   
-%  The use of the commands of \textsf{chemsym} is specially useful  
-%  when chemical symbols are used as indices in equations.   
-%  The following example illustrates this: 
-%  \begin{equation} 
-%  \mathcal{M}_{\Fe(\H_2\O)_6} = 6\mathcal{M}_{\H_2\O} + \mathcal{M}_{\Fe} 
-%  \end{equation} 
-%  which was obtained by typing  
-%  \begin{verbatim} 
-%  \begin{equation} 
-%  \mathcal{M}_{\Fe(\H_2\O)_6} = 6\mathcal{M}_{\H_2\O} + \mathcal{M}_{\Fe} 
-%  \end{equation} 
-%  \end{verbatim} 
-%  It is also easy  
-%  to define other chemical symbols commands, such as commands  
-%  for specific isotopes.  Suppose you rather want to use the  
-%  notation \hH{} than \D{} for Deuterium.  This may be  
-%  defined as:\\ \hspace*{2mm} |\newcommand{\hH}{\kemtkn{{}^2H}}|\\  
-%  (which was  
-%  used above: \ldots |notation \hH{} than \D{} for|\ldots).  
-%  Internally, \textsf{chemsym} uses a syntax like this to def ine 
-%  the various commands for the chemical symbols.\footnote{To make  
-%  the command robust,  
-%  say \texttt{\textbackslash newcommand$\{$\textbackslash hH$\}\{$ 
-%  \textbackslash protect\textbackslash kemtkn$\{\{\}\} 
-%  \hat{\ }$2H$\}\}$} 
-%  or use the command \texttt{\textbackslash DeclareRobustCommand}  
-%  instead of \texttt{\textbackslash newcommand}.}   
-%  
-%  After running |chemsym.ins| through \LaTeXe, you can typeset  
-%  the Periodic Table of the Elements by running \LaTeXe{} on  
-%  the file |pertab.tex|.  (It fits fine on an A4 paper, and there  
-%  should be no problem with a U.S.\ lettersize paper as well.)    
-%  The Periodic Table requires the \textsf{rotating} package, which  
-%  in turn requires the packages \textsf{graphicx} and  
-%  \textsf{ifthen}. 
-%   
-%  \section{Known Problems}   
-%   
-%  \begin{itemize} 
-%  \item 
-%  Since \textsf{chemsym} makes |^| and |_| active, it will collide  
-%  with other packages which make use of constructs like |^^J|  
-%  (\textit{e.~g.} the \textsf{longtable} package).  To avoid this  
-%  problem, specify the option |collision| when loading  
-%  \textsf{chemsym} (or globally).   
-%  \item  
-%  If the \textsf{chemsym} package is used together with the  
-%  \textsf{rotating} or \textsf{amstex} package, \textsf{chemsym}  
-%  should be loaded last.   
-%  \item  
-%  If the \textsf{chemsym} package is used together with the  
-%  \textsf{fancyheadings} package, \textsf{fancyheadings}  
-%  should be loaded after \textsf{chemsym}.\footnote{Thanks 
-%  to Lars Reinton (\texttt{larsr@stud.unit.no}) for 
-%  pointing out this.} 
-%  \item Since \textsf{chemsym} makes |_| and |^| active, these  
-%  characters cannot be used in labels when using the  
-%  \textsf{chemsym} package, nor in file names loaded in \LaTeX{} runs  
-%  loading the \textsf{chemsym} package (unless you specify the  
-%  |collision| option).\footnote{Thanks to Axel  
-%  (\texttt{i0080108@ws.rz.tu-bs.de}) for pointing out this problem.} 
-%  \item Also since |^| is made active, when following after a prime  
-%  in math mode (|'|), a ``double superscript'' error is produced  
-%  unless a double bracing (|{}|) is included before the |^|  
-%  character.\footnote{Thanks to Jeroen Paasschens  
-%  (\texttt{paassche@natlab.research.philips.com}) for bringing my  
-%  attention to this problem.}  Thus, you should type |x'{}^2|  
-%  instead of |x'^2| when using \textsf{chemsym} to obtain $x'{}^2$. 
-%  \end{itemize} 
-%   
-%  \section{Sending a Bug Report} 
-%  \textsf{chemsym} is likely to contain bugs, and reports about  
-%  them are most welcome.  Before filing a bug report, 
-%  please take the following actions: 
-%  \begin{enumerate} 
-%  \item Ensure your problem is not due to your own input file,  
-%     package(s), or class(es); 
-%  \item Ensure your problem is not covered in the section  
-%     ''Known Problems'' above; 
-%  \item  Try to locate the problem by writing a minimal  
-%     \LaTeX{} input file which reproduces the problem.   
-%     Include the command\\  
-%     |  \setcounter{errorcontextlines}{999}|\\  
-%     in your input; 
-%  \item Run your file through \LaTeX ; 
-%  \item Send a description of your problem, the input file  
-%     and the log file via e-mail to:\\ 
-%     \hspace*{5mm} \texttt{matsd@homenet.se}. 
-%  \end{enumerate} 
-%  {\itshape Enjoy your \LaTeX!\raisebox{-\baselineskip}{mats d.}} 
-% \StopEventually{\vfill\hfill\scriptsize Copyright \copyright  
-%  1997 by Mats Dahlgren} 
-%  \newpage  
-%  
-%  \section{The Code}  
-%  For the interested reader(s), here is a short description  
-%  of the code.  
-% \iffalse 
-%<*paketkod> 
-% \fi 
-%  First, the package is to identify itself:   
-%    \begin{macrocode}  
-\NeedsTeXFormat{LaTeX2e}[1996/12/01] 
-\ProvidesPackage{chemsym}[1997/07/07 v.1.1 Chemical symbols]  
-%    \end{macrocode} 
-%  First in the real code, we have to rename the old functions  
-%  |\H|, |\O|, |\P|, |\S|, |\Re|, and |\Pr|: 
-%    \begin{macrocode} 
-\let\h=\H 
-\let\OO=\O 
-\let\PP=\P 
-\let\Ss=\S 
-\let\re=\Re 
-\let\pr=\Pr 
-%    \end{macrocode} 
-%  Here we check if the $\mathcal{AMS}$-\LaTeX{} package is  
-%  loaded, and if so, change the |Sb| environment to be called |SB|. 
-%    \begin{macrocode} 
-\@ifundefined{Sb}{\def\Sb{\protect\kemtkn{Sb}}}% 
-  {\let\SB=\Sb \let\endSB=\endSb} 
-%    \end{macrocode} 
-%  Now, we make |^|, |_|, and |\cdot| work without |$...$|  
-%  also in text mode -- if not switched off.     
-%  To do this, we need a boolean and some  
-%  option processing\ldots   
-%    \begin{macrocode} 
-\newif  \ifc@llsn  \c@llsnfalse 
-\DeclareOption{collision}{\global\c@llsntrue} 
-\DeclareOption*{\OptionNotUsed} 
-\ProcessOptions* 
-\ifc@llsn\AtEndDocument{% 
-  \PackageWarningNoLine{chemsym}{Due to possible collisions with other  
-  \MessageBreak packages, super- and subscrips are not avaliable  
-  \MessageBreak outside math mode despite your loading of `chemsym'}} 
-\else 
-  \def\sprscrpt#1{\ensuremath{^{#1}}} 
-  \def\sbscrpt#1{\ensuremath{_{#1}}} 
-  \catcode`\^ \active  
-  \catcode`\_ \active  
-  \let^=\sprscrpt  
-  \let_=\sbscrpt  
-\fi 
-\@ifundefined{cd@t}{% 
-\let\cd@t=\cdot 
-\def\cdot{\ensuremath{\cd@t}}}{} 
-%    \end{macrocode} 
-%  (The |\@ifundefined| is required for local compatibility reasons  
-%  at my former site.)   
-%  Then, some general macros are defined: 
-%    \begin{macrocode} 
-\newcommand{\nsrrm}[1]{\ensuremath{\mathrm{#1}}} 
-\newcommand{\nsrrms}[2][0.1]{\ensuremath{\mathrm{#2}\kern #1em}} 
-\newcommand{\kemtkn}[1]{\@ifnextchar_{\nsrrm{#1}}{\@ifnextchar^{\nsrrm{#1}}% 
-  {\@ifnextchar){\nsrrm{#1}}{\@ifnextchar({\nsrrm{#1}}% 
-  {\@ifnextchar]{\nsrrm{#1}}{\@ifnextchar[{\nsrrm{#1}}{\nsrrms{#1}}}}}}}} 
-%    \end{macrocode} 
-%  As you can see, you can change the spacing in the chemical  
-%  formulas by making changes to |\nsrrms|.  This you can do  
-%  with |\renewcommand|  
-%  in your document preamble or in another package file.   
-%  Then we define the  
-%  110 commands for chemical symbols: 
-%    \begin{macrocode} 
-\renewcommand{\H}{\protect\kemtkn{H}} % modified  
-\newcommand{\D}{\protect\kemtkn{D}}  
-\newcommand{\He}{\protect\kemtkn{He}}  
-\newcommand{\Li}{\protect\kemtkn{Li}}  
-\newcommand{\Be}{\protect\kemtkn{Be}}  
-\newcommand{\B}{\protect\kemtkn{B}}  
-\newcommand{\C}{\protect\kemtkn{C}}  
-\newcommand{\N}{\protect\kemtkn{N}}  
-\renewcommand{\O}{\protect\kemtkn{O}} % modified 
-\newcommand{\F}{\protect\kemtkn{F}}  
-\newcommand{\Ne}{\protect\kemtkn{Ne}}  
-\newcommand{\Na}{\protect\kemtkn{Na}}  
-\newcommand{\Mg}{\protect\kemtkn{Mg}}  
-\newcommand{\Al}{\protect\kemtkn{Al}}  
-\newcommand{\Si}{\protect\kemtkn{Si}}  
-\renewcommand{\P}{\protect\kemtkn{P}} % modified  
-\renewcommand{\S}{\protect\kemtkn{S}} % modified  
-\newcommand{\Cl}{\protect\kemtkn{Cl}}  
-\newcommand{\Ar}{\protect\kemtkn{Ar}}  
-\newcommand{\K}{\protect\kemtkn{K}}  
-\newcommand{\Ca}{\protect\kemtkn{Ca}}  
-\newcommand{\Sc}{\protect\kemtkn{Sc}}  
-\newcommand{\Ti}{\protect\kemtkn{Ti}}  
-\newcommand{\V}{\protect\kemtkn{V}}  
-\newcommand{\Cr}{\protect\kemtkn{Cr}}  
-\newcommand{\Mn}{\protect\kemtkn{Mn}}  
-\newcommand{\Fe}{\protect\kemtkn{Fe}}  
-\newcommand{\Co}{\protect\kemtkn{Co}}  
-\newcommand{\Ni}{\protect\kemtkn{Ni}}  
-\newcommand{\Cu}{\protect\kemtkn{Cu}}  
-\newcommand{\Zn}{\protect\kemtkn{Zn}}  
-\newcommand{\Ga}{\protect\kemtkn{Ga}}  
-\newcommand{\Ge}{\protect\kemtkn{Ge}}  
-\newcommand{\As}{\protect\kemtkn{As}}  
-\newcommand{\Se}{\protect\kemtkn{Se}}  
-\newcommand{\Br}{\protect\kemtkn{Br}}  
-\newcommand{\Kr}{\protect\kemtkn{Kr}}  
-\newcommand{\Rb}{\protect\kemtkn{Rb}}  
-\newcommand{\Sr}{\protect\kemtkn{Sr}}  
-\newcommand{\Y}{\protect\kemtkn{Y}}  
-\newcommand{\Zr}{\protect\kemtkn{Zr}}  
-\newcommand{\Nb}{\protect\kemtkn{Nb}}  
-\newcommand{\Mo}{\protect\kemtkn{Mo}}  
-\newcommand{\Tc}{\protect\kemtkn{Tc}}  
-\newcommand{\Ru}{\protect\kemtkn{Ru}}  
-\newcommand{\Rh}{\protect\kemtkn{Rh}}  
-\newcommand{\Pd}{\protect\kemtkn{Pd}}  
-\newcommand{\Ag}{\protect\kemtkn{Ag}}  
-\newcommand{\Cd}{\protect\kemtkn{Cd}}  
-\newcommand{\In}{\protect\kemtkn{In}}  
-\newcommand{\Sn}{\protect\kemtkn{Sn}}  
-\renewcommand{\Sb}{\protect\kemtkn{Sb}}  % modified with AMS-LaTeX  
-\newcommand{\Te}{\protect\kemtkn{Te}}   
-\newcommand{\I}{\protect\kemtkn{I}}  
-\newcommand{\Xe}{\protect\kemtkn{Xe}}  
-\newcommand{\Cs}{\protect\kemtkn{Cs}}  
-\newcommand{\Ba}{\protect\kemtkn{Ba}}  
-\newcommand{\La}{\protect\kemtkn{La}}  
-\newcommand{\Ce}{\protect\kemtkn{Ce}}  
-\renewcommand{\Pr}{\protect\kemtkn{Pr}} % modified  
-\newcommand{\Nd}{\protect\kemtkn{Nd}}   
-\newcommand{\Pm}{\protect\kemtkn{Pm}}  
-\newcommand{\Sm}{\protect\kemtkn{Sm}}  
-\newcommand{\Eu}{\protect\kemtkn{Eu}}  
-\newcommand{\Gd}{\protect\kemtkn{Gd}}  
-\newcommand{\Tb}{\protect\kemtkn{Tb}}  
-\newcommand{\Dy}{\protect\kemtkn{Dy}}  
-\newcommand{\Ho}{\protect\kemtkn{Ho}}  
-\newcommand{\Er}{\protect\kemtkn{Er}}  
-\newcommand{\Tm}{\protect\kemtkn{Tm}}  
-\newcommand{\Yb}{\protect\kemtkn{Yb}}  
-\newcommand{\Lu}{\protect\kemtkn{Lu}}  
-\newcommand{\Hf}{\protect\kemtkn{Hf}}  
-\newcommand{\Ta}{\protect\kemtkn{Ta}}  
-\newcommand{\W}{\protect\kemtkn{W}}  
-\renewcommand{\Re}{\protect\kemtkn{Re}} % modified  
-\newcommand{\Os}{\protect\kemtkn{Os}}   
-\newcommand{\Ir}{\protect\kemtkn{Ir}}   
-\newcommand{\Pt}{\protect\kemtkn{Pt}}   
-\newcommand{\Au}{\protect\kemtkn{Au}}  
-\newcommand{\Hg}{\protect\kemtkn{Hg}}  
-\newcommand{\Tl}{\protect\kemtkn{Tl}}  
-\newcommand{\Pb}{\protect\kemtkn{Pb}}  
-\newcommand{\Bi}{\protect\kemtkn{Bi}}  
-\newcommand{\Po}{\protect\kemtkn{Po}}  
-\newcommand{\At}{\protect\kemtkn{At}}  
-\newcommand{\Rn}{\protect\kemtkn{Rn}}  
-\newcommand{\Fr}{\protect\kemtkn{Fr}}  
-\newcommand{\Ra}{\protect\kemtkn{Ra}}  
-\newcommand{\Ac}{\protect\kemtkn{Ac}}  
-\newcommand{\Th}{\protect\kemtkn{Th}}  
-\newcommand{\Pa}{\protect\kemtkn{Pa}}  
-\newcommand{\U}{\protect\kemtkn{U}}  
-\newcommand{\Np}{\protect\kemtkn{Np}}  
-\newcommand{\Pu}{\protect\kemtkn{Pu}}  
-\newcommand{\Am}{\protect\kemtkn{Am}}  
-\newcommand{\Cm}{\protect\kemtkn{Cm}}  
-\newcommand{\Bk}{\protect\kemtkn{Bk}}  
-\newcommand{\Cf}{\protect\kemtkn{Cf}}  
-\newcommand{\Es}{\protect\kemtkn{Es}}  
-\newcommand{\Fm}{\protect\kemtkn{Fm}}  
-\newcommand{\Md}{\protect\kemtkn{Md}}  
-\newcommand{\No}{\protect\kemtkn{No}}  
-\newcommand{\Lr}{\protect\kemtkn{Lr}}  
-\newcommand{\Db}{\protect\kemtkn{Db}}  
-\newcommand{\Jl}{\protect\kemtkn{Jl}}  
-\newcommand{\Rf}{\protect\kemtkn{Rf}}  
-\newcommand{\Bh}{\protect\kemtkn{Bh}}  
-\newcommand{\Hn}{\protect\kemtkn{Hn}}  
-\newcommand{\Mt}{\protect\kemtkn{Mt}}  
-%    \end{macrocode} 
-%  At last, we define the three alkyle groups and some other  
-%  useful groups as chemical symbols:   
-%    \begin{macrocode} 
-\newcommand{\Me}{\protect\kemtkn{Me}}  
-\newcommand{\Et}{\protect\kemtkn{Et}}  
-\newcommand{\Bu}{\protect\kemtkn{Bu}}  
-\newcommand{\OH}{\protect\kemtkn{OH}} 
-\newcommand{\COOH}{\protect\kemtkn{COOH}} 
-\newcommand{\CH}{\protect\kemtkn{CH}} 
-%    \end{macrocode} 
-%  This brings us to the end of \textsf{chemsym}.  Hope you'll  
-%  enjoy it! 
-% \iffalse 
-%</paketkod> 
-%<*periodsyst> 
-\documentclass[]{article} 
-\usepackage[dvips]{rotating} 
-\usepackage{chemsym} 
-\textwidth=170mm 
-\oddsidemargin=-6mm 
-\evensidemargin=-6mm 
-\textheight=270mm 
-\topmargin=-25mm  
-\parindent=0em 
-\parskip=3ex 
-\pagestyle{empty} 
-\renewcommand{\nsrrms}[2][0]{\ensuremath{\mathrm{#2}\kern #1em}} 
-\begin{document} 
-\setlength{\tabcolsep}{3pt} 
-\begin{sidewaystable} 
-\vspace*{-24mm} 
-\begin{tabular}{|*{18}{c|}}  
-\multicolumn{18}{c}{ } \\[3mm]  
-\multicolumn{18}{c}{\LARGE Periodic Table of the Elements} \\  
-\multicolumn{18}{c}{with relative atomic masses 1993 according to IUPAC} \\  
-\multicolumn{18}{c}{ } \\[-2mm] \hline 
-\textbf{1} & \textbf{2} & \textbf{3} & \textbf{4} & \textbf{5} &  
-\textbf{6} & \textbf{7} & \textbf{8} & \textbf{9} & \textbf{10} &  
-\textbf{11} & \textbf{12} & \textbf{13} & \textbf{14} & \textbf{15} &  
-\textbf{16} & \textbf{17} & \textbf{18} \\  
-\textbf{(I)} & \textbf{(II)} & & & & & & & & & & & \textbf{(III)} &  
-\textbf{(IV)} & \textbf{(V)} & \textbf{(VI)} & \textbf{(VII)} &  
-\textbf{(VIII)} \\ \hline  
-\multicolumn{18}{c}{ } \\[-2mm] \cline{1-1} \cline{18-18} 
-_1 & \multicolumn{16}{c|}{ } & _2\\  
-\H & \multicolumn{16}{c|}{ } & \He\\  
-^{1.00794} & \multicolumn{16}{c|}{ } & ^{4.002602} \\ \cline{1-2}  
-\cline{7-8} \cline{13-18} 
-_3 & _4 & \multicolumn{4}{c|}{ } &  
-\multicolumn{2}{c|}{_{\mathrm{Atomic\ number}}} &  
-\multicolumn{4}{c|}{ } 
-& _5 & _6 & _7 &  
-_8 & _9 & _{10}\\  
-\Li & \Be & \multicolumn{4}{c|}{ } &  
-\multicolumn{2}{c|}{Symbol} &  \multicolumn{4}{c|}{ } 
-& \B & \C & \N & \O & \F & \Ne\\  
-^{6.941} & ^{9.012182} & \multicolumn{4}{c|}{ } &  
-\multicolumn{2}{c|}{^{\mathrm{Relative\ atomic\ mass}^\ast}} &  
-\multicolumn{4}{c|}{ } & ^{10.811} &  
-^{12.011} & ^{14.00674} & ^{15.9994} & ^{18.9984032} & ^{20.1797} \\  
-\cline{1-2} \cline{7-8} \cline{13-18} 
-_{11} & _{12} & \multicolumn{10}{c|}{ } & _{13} &  
-_{14} & _{15} & _{16} & _{17} & _{18} \\  
-\Na & \Mg & \multicolumn{10}{c|}{ } & \Al &  
-\Si & \P & \S & \Cl & \Ar\\  
-^{22.989768} & ^{24.3050} & \multicolumn{10}{c|}{ } &  
-^{26.981539} & ^{28.0855} & ^{30.973762} & ^{32.066} &  
-^{35.4527} & ^{39.948} \\ \hline  
-_{19} & _{20} & _{21} & _{22} & _{23} & _{24} &  
-_{25} & _{26} & _{27} & _{28} & _{29} & _{30} &  
-_{31} & _{32} & _{33} & _{34} & _{35} & _{36}\\  
-\K & \Ca & \Sc & \Ti & \V & \Cr & \Mn & \Fe & \Co & \Ni & \Cu & \Zn &  
-\Ga & \Ge & \As & \Se & \Br & \Kr\\  
-^{39.0983} & ^{40.078} & ^{44.955910} & ^{47.867} &  
-^{50.9415} & ^{51.9961} & ^{54.93805} & ^{55.845} &  
-^{58.93320} & ^{58.6934} & ^{63.546} & ^{65.39} & ^{69.723} &  
-^{72.61} & ^{74.92159} & ^{78.96} & ^{79.904} & ^{83.80} \\ \hline 
-_{37} & _{38} & _{39} & _{40} & _{41} & _{42} &  
-_{43} & _{44} & _{45} & _{46} & _{47} & _{48} &  
-_{49} & _{50} & _{51} & _{52} & _{53} & _{54} \\  
-\Rb & \Sr & \Y & \Zr & \Nb & \Mo &  
-\Tc & \Ru & \Rh & \Pd & \Ag & \Cd &  
-\In & \Sn & \Sb & \Te & \I & \Xe\\  
-^{85.4678} & ^{87.62} & ^{88.90585} & ^{91.224} & ^{92.90638} &  
-^{95.94} & ^{(98)} & ^{101.07} & ^{102.90550} & ^{106.42} &  
-^{107.8682} & ^{112.411} & ^{114.818} & ^{118.710} &  
-^{121.760} & ^{127.60} & ^{126.90447} & ^{131.29} \\ \hline 
-_{55} & _{56} & & _{72} & _{73} & _{74} &  
-_{75} & _{76} & _{77} & _{78} & _{79} & _{80} &  
-_{81} & _{82} & _{83} & _{84} & _{85} & _{86} \\  
-\Cs & \Ba & \raisebox{1.5mm}[0pt][0pt]{\La --} & \Hf & \Ta &  
-\W & \Re & \Os & \Ir & \Pt & \Au & \Hg &  
-\Tl & \Pb & \Bi & \Po & \At & \Rn\\  
-^{132.90543} & ^{137.327} & \raisebox{1.5mm}[0pt][0pt]{\Lu} &  
-^{178.49} & ^{180.9479} &  
-^{183.84} & ^{186.207} & ^{190.23} & ^{192.217} & ^{195.08} &  
-^{196.96654} & ^{200.59} & ^{204.3833} & ^{207.2} &  
-^{208.98037} & ^{(209)} & ^{(210)} & ^{(222)} \\ 
-\hline   
-_{87} & _{88} & & _{104} & _{105} & _{106} &   
-_{107} & _{108} & _{109} & \multicolumn{1}{c}{$_{\ast\ast}$} \\  
-\Fr & \Ra & \raisebox{1.5mm}[0pt][0pt]{\Ac --} & \Db & \Jl &  
-\Rf & \Bh & \Hn & \Mt\\  
- ^{(223)} & ^{(226)} & \raisebox{1.5mm}[0pt][0pt]{\Lr} & ^{(261)} &  
-^{(262)} & ^{(263)} & ^{(262)} & ^{(265)} & ^{(266)} \\ 
-\cline{1-9}   
-\multicolumn{18}{c}{ } \\ \cline{3-17} 
-\multicolumn{2}{c|}{ } & _{57} & _{58} & _{59} & _{60} & _{61}  
-& _{62} & _{63} & _{64} & _{65} & _{66} & _{67} & _{68} & _{69}  
-& _{70} & _{71} \\  
-\multicolumn{2}{c|}{ } & \La &  
-\Ce & \Pr & \Nd & \Pm & \Sm & \Eu & \Gd & \Tb & \Dy & \Ho & \Er & \Tm &  
-\Yb & \Lu \\  
-\multicolumn{2}{c|}{ } & ^{138.9055} & ^{140.115} &  
-^{140.90765} & ^{144.24} & ^{(145)} & ^{150.36} & ^{151.965} &  
-^{157.25} & ^{158.92534} & ^{162.50} & ^{164.93032} &  
-^{167.26} & ^{168.93421} & ^{173.04} & ^{174.967} \\ \cline{3-17} 
-\multicolumn{2}{c|}{ } & _{89} &  
-_{90} & _{91} & _{92} & _{93} & _{94} & _{95} &  
-_{96} & _{97} & _{98} & _{99} & _{100} &  
-_{101} & _{102} & _{103} \\  
-\multicolumn{2}{c|}{ } & \Ac &  
-\Th & \Pa & \U & \Np & \Pu & \Am & \Cm & \Bk & \Cf & \Es & \Fm &  
-\Md & \No & \Lr \\  
-\multicolumn{2}{c|}{ } & ^{(227)} & ^{(232.0381)}& ^{(231.03588)} &  
-^{(238.0289)}& ^{(237)} & ^{(239)} & ^{(243)} & ^{(247)} &  
-^{(247)} & ^{(251)} & ^{(252)} & ^{(257)} & ^{(258)} &  
-^{(259)} & ^{(262)} \\ \cline{3-17} 
-\multicolumn{18}{c}{ } \\[5mm] 
-\multicolumn{1}{r}{$^\ast$} &  
-\multicolumn{17}{l}{Relative atomic mass based on  
-$A_{\mathrm{r}}(^{12}\C )\equiv 12$ (after IUPAC ``Atomic Weights  
-of the Elements 1993'', \textit{Pure and Applied Chemistry,}  
-\textbf{1994,} \textsl{66}(12), 2423-} \\ 
-\multicolumn{1}{c}{{ }} &  
-\multicolumn{17}{l}{2444). For elements which lack stable isotope(s) is  
-the mass number for the most stable isotope given in parentheses,  
-or for \Th, \Pa{} and \U{} the relative }\\ 
-\multicolumn{1}{c}{{ }} &  
-\multicolumn{17}{l}{atomic mass given by IUPAC for the isotopic mixture  
-present on Earth.  } \\ 
-\multicolumn{1}{r}{$^{\ast\ast}$} &  
-\multicolumn{17}{l}{Chemical symbols for elements 104 -- 109  
-according to IUPAC ``Names and Symbols of Transfermium Elements  
-(IUPAC Recommendations 1994)'', \textit{Pure} } \\  
-\multicolumn{1}{c}{{ }} &  
-\multicolumn{17}{l}{\textit{and Applied Chemistry,}  
-\textbf{1994,} \textsl{66}(12), 2419-2421.} \\ 
-\multicolumn{18}{r}{\scriptsize Copyright \copyright{} 1995 - 1997  
-  by Mats Dahlgren.} \\ 
-\end{tabular} 
-\end{sidewaystable} 
-\end{document} 
-%</periodsyst> 
-% \fi 
-% \Finale 
-% 
-\endinput  
diff --git a/Master/texmf-dist/source/latex/chemsym/chemsym.ins b/Master/texmf-dist/source/latex/chemsym/chemsym.ins
deleted file mode 100644
index 3532b9db20f..00000000000
--- a/Master/texmf-dist/source/latex/chemsym/chemsym.ins
+++ /dev/null
@@ -1,58 +0,0 @@
-%
-%  This is file `chemsym.ins', the installation file for the 
-%  `chemsym' package.  Last revised 1997/07/07.  
-%
-%  Copyright (c) 1995-97 by Mats Dahlgren <matsd@homenet.se>.
-%  All rights reserved.
-
-%  You may use the `chemsym' package freely, but at your own
-%  risk.  The author of chemsym.dtx and chemsym.ins (the
-%  complete `chemsym' package distribution) can not be held
-%  responsible for any consequence of your using any of these
-%  files, or files created from these, including hardware,
-%  software, and data damage.  You may not make any changes to
-%  the files chemsym.dtx or chemsym.ins.  You may incorporate
-%  the code from these files in other files under different
-%  names, provided the original author is given full credit for
-%  his work and that you yourself take the complaints from the
-%  user(s) of your file(s).  You may freely distribute the
-%  files chemsym.dtx and chemsym.ins, provided: 1. You do not
-%  charge money for the distribution or use of these files except
-%  for a nominal charge for diskettes and postage; and 2. You
-%  always distribute `chemsym.dtx' and `chemsym.ins' together
-%  at the same time. 
-% 
-\NeedsTeXFormat{LaTeX2e}[1996/12/01]
-\def\batchfile{chemsym.ins}
-\input docstrip.tex
-
-
-\keepsilent
-\preamble
-
-
-Copyright (c) 1995-97 by Mats Dahlgren <matsd@homenet.se>. 
-All rights reserved.  See the file `chemsym.ins' for information
-on how you may (re-)distribute the `chemsym' package files.
-
-
-\endpreamble
-
-
-\generate{\file{chemsym.sty}{\from{chemsym.dtx}{paketkod}}%
-  \file{pertab.tex}{\from{chemsym.dtx}{periodsyst}}}
-
-
-\Msg{************************************************************}
-\Msg{ }
-\Msg{  To finish the installation you have to move the file}
-\Msg{  `chemsym.sty' into a directory searched by TeX.}
-\Msg{ }
-\Msg{  To type-set the documentation, run the file `chemsym.dtx'}
-\Msg{  through LaTeX.  A Periodic table of the elements can be}
-\Msg{  obtained by running `pertab.tex' through LaTeX.}
-\Msg{ }
-\Msg{***********************************************************}
-%%  
-%%  end of file chemsym.ins
-%% 
diff --git a/Master/texmf-dist/tex/latex/chemsym/chemsym.sty b/Master/texmf-dist/tex/latex/chemsym/chemsym.sty
deleted file mode 100644
index d1faf883934..00000000000
--- a/Master/texmf-dist/tex/latex/chemsym/chemsym.sty
+++ /dev/null
@@ -1,167 +0,0 @@
-%%
-%% This is file `chemsym.sty',
-%% generated with the docstrip utility.
-%%
-%% The original source files were:
-%%
-%% chemsym.dtx  (with options: `paketkod')
-%% 
-%% 
-%% Copyright (c) 1995-97 by Mats Dahlgren <matsd@homenet.se>.
-%% All rights reserved.  See the file `chemsym.ins' for information
-%% on how you may (re-)distribute the `chemsym' package files.
-%% 
-%% 
-\NeedsTeXFormat{LaTeX2e}[1996/12/01]
-\ProvidesPackage{chemsym}[1997/07/07 v.1.1 Chemical symbols]
-\let\h=\H
-\let\OO=\O
-\let\PP=\P
-\let\Ss=\S
-\let\re=\Re
-\let\pr=\Pr
-\@ifundefined{Sb}{\def\Sb{\protect\kemtkn{Sb}}}%
-  {\let\SB=\Sb \let\endSB=\endSb}
-\newif  \ifc@llsn  \c@llsnfalse
-\DeclareOption{collision}{\global\c@llsntrue}
-\DeclareOption*{\OptionNotUsed}
-\ProcessOptions*
-\ifc@llsn\AtEndDocument{%
-  \PackageWarningNoLine{chemsym}{Due to possible collisions with other
-  \MessageBreak packages, super- and subscrips are not avaliable
-  \MessageBreak outside math mode despite your loading of `chemsym'}}
-\else
-  \def\sprscrpt#1{\ensuremath{^{#1}}}
-  \def\sbscrpt#1{\ensuremath{_{#1}}}
-  \catcode`\^ \active
-  \catcode`\_ \active
-  \let^=\sprscrpt
-  \let_=\sbscrpt
-\fi
-\@ifundefined{cd@t}{%
-\let\cd@t=\cdot
-\def\cdot{\ensuremath{\cd@t}}}{}
-\newcommand{\nsrrm}[1]{\ensuremath{\mathrm{#1}}}
-\newcommand{\nsrrms}[2][0.1]{\ensuremath{\mathrm{#2}\kern #1em}}
-\newcommand{\kemtkn}[1]{\@ifnextchar_{\nsrrm{#1}}{\@ifnextchar^{\nsrrm{#1}}%
-  {\@ifnextchar){\nsrrm{#1}}{\@ifnextchar({\nsrrm{#1}}%
-  {\@ifnextchar]{\nsrrm{#1}}{\@ifnextchar[{\nsrrm{#1}}{\nsrrms{#1}}}}}}}}
-\renewcommand{\H}{\protect\kemtkn{H}} % modified
-\newcommand{\D}{\protect\kemtkn{D}}
-\newcommand{\He}{\protect\kemtkn{He}}
-\newcommand{\Li}{\protect\kemtkn{Li}}
-\newcommand{\Be}{\protect\kemtkn{Be}}
-\newcommand{\B}{\protect\kemtkn{B}}
-\newcommand{\C}{\protect\kemtkn{C}}
-\newcommand{\N}{\protect\kemtkn{N}}
-\renewcommand{\O}{\protect\kemtkn{O}} % modified
-\newcommand{\F}{\protect\kemtkn{F}}
-\newcommand{\Ne}{\protect\kemtkn{Ne}}
-\newcommand{\Na}{\protect\kemtkn{Na}}
-\newcommand{\Mg}{\protect\kemtkn{Mg}}
-\newcommand{\Al}{\protect\kemtkn{Al}}
-\newcommand{\Si}{\protect\kemtkn{Si}}
-\renewcommand{\P}{\protect\kemtkn{P}} % modified
-\renewcommand{\S}{\protect\kemtkn{S}} % modified
-\newcommand{\Cl}{\protect\kemtkn{Cl}}
-\newcommand{\Ar}{\protect\kemtkn{Ar}}
-\newcommand{\K}{\protect\kemtkn{K}}
-\newcommand{\Ca}{\protect\kemtkn{Ca}}
-\newcommand{\Sc}{\protect\kemtkn{Sc}}
-\newcommand{\Ti}{\protect\kemtkn{Ti}}
-\newcommand{\V}{\protect\kemtkn{V}}
-\newcommand{\Cr}{\protect\kemtkn{Cr}}
-\newcommand{\Mn}{\protect\kemtkn{Mn}}
-\newcommand{\Fe}{\protect\kemtkn{Fe}}
-\newcommand{\Co}{\protect\kemtkn{Co}}
-\newcommand{\Ni}{\protect\kemtkn{Ni}}
-\newcommand{\Cu}{\protect\kemtkn{Cu}}
-\newcommand{\Zn}{\protect\kemtkn{Zn}}
-\newcommand{\Ga}{\protect\kemtkn{Ga}}
-\newcommand{\Ge}{\protect\kemtkn{Ge}}
-\newcommand{\As}{\protect\kemtkn{As}}
-\newcommand{\Se}{\protect\kemtkn{Se}}
-\newcommand{\Br}{\protect\kemtkn{Br}}
-\newcommand{\Kr}{\protect\kemtkn{Kr}}
-\newcommand{\Rb}{\protect\kemtkn{Rb}}
-\newcommand{\Sr}{\protect\kemtkn{Sr}}
-\newcommand{\Y}{\protect\kemtkn{Y}}
-\newcommand{\Zr}{\protect\kemtkn{Zr}}
-\newcommand{\Nb}{\protect\kemtkn{Nb}}
-\newcommand{\Mo}{\protect\kemtkn{Mo}}
-\newcommand{\Tc}{\protect\kemtkn{Tc}}
-\newcommand{\Ru}{\protect\kemtkn{Ru}}
-\newcommand{\Rh}{\protect\kemtkn{Rh}}
-\newcommand{\Pd}{\protect\kemtkn{Pd}}
-\newcommand{\Ag}{\protect\kemtkn{Ag}}
-\newcommand{\Cd}{\protect\kemtkn{Cd}}
-\newcommand{\In}{\protect\kemtkn{In}}
-\newcommand{\Sn}{\protect\kemtkn{Sn}}
-\renewcommand{\Sb}{\protect\kemtkn{Sb}}  % modified with AMS-LaTeX
-\newcommand{\Te}{\protect\kemtkn{Te}}
-\newcommand{\I}{\protect\kemtkn{I}}
-\newcommand{\Xe}{\protect\kemtkn{Xe}}
-\newcommand{\Cs}{\protect\kemtkn{Cs}}
-\newcommand{\Ba}{\protect\kemtkn{Ba}}
-\newcommand{\La}{\protect\kemtkn{La}}
-\newcommand{\Ce}{\protect\kemtkn{Ce}}
-\renewcommand{\Pr}{\protect\kemtkn{Pr}} % modified
-\newcommand{\Nd}{\protect\kemtkn{Nd}}
-\newcommand{\Pm}{\protect\kemtkn{Pm}}
-\newcommand{\Sm}{\protect\kemtkn{Sm}}
-\newcommand{\Eu}{\protect\kemtkn{Eu}}
-\newcommand{\Gd}{\protect\kemtkn{Gd}}
-\newcommand{\Tb}{\protect\kemtkn{Tb}}
-\newcommand{\Dy}{\protect\kemtkn{Dy}}
-\newcommand{\Ho}{\protect\kemtkn{Ho}}
-\newcommand{\Er}{\protect\kemtkn{Er}}
-\newcommand{\Tm}{\protect\kemtkn{Tm}}
-\newcommand{\Yb}{\protect\kemtkn{Yb}}
-\newcommand{\Lu}{\protect\kemtkn{Lu}}
-\newcommand{\Hf}{\protect\kemtkn{Hf}}
-\newcommand{\Ta}{\protect\kemtkn{Ta}}
-\newcommand{\W}{\protect\kemtkn{W}}
-\renewcommand{\Re}{\protect\kemtkn{Re}} % modified
-\newcommand{\Os}{\protect\kemtkn{Os}}
-\newcommand{\Ir}{\protect\kemtkn{Ir}}
-\newcommand{\Pt}{\protect\kemtkn{Pt}}
-\newcommand{\Au}{\protect\kemtkn{Au}}
-\newcommand{\Hg}{\protect\kemtkn{Hg}}
-\newcommand{\Tl}{\protect\kemtkn{Tl}}
-\newcommand{\Pb}{\protect\kemtkn{Pb}}
-\newcommand{\Bi}{\protect\kemtkn{Bi}}
-\newcommand{\Po}{\protect\kemtkn{Po}}
-\newcommand{\At}{\protect\kemtkn{At}}
-\newcommand{\Rn}{\protect\kemtkn{Rn}}
-\newcommand{\Fr}{\protect\kemtkn{Fr}}
-\newcommand{\Ra}{\protect\kemtkn{Ra}}
-\newcommand{\Ac}{\protect\kemtkn{Ac}}
-\newcommand{\Th}{\protect\kemtkn{Th}}
-\newcommand{\Pa}{\protect\kemtkn{Pa}}
-\newcommand{\U}{\protect\kemtkn{U}}
-\newcommand{\Np}{\protect\kemtkn{Np}}
-\newcommand{\Pu}{\protect\kemtkn{Pu}}
-\newcommand{\Am}{\protect\kemtkn{Am}}
-\newcommand{\Cm}{\protect\kemtkn{Cm}}
-\newcommand{\Bk}{\protect\kemtkn{Bk}}
-\newcommand{\Cf}{\protect\kemtkn{Cf}}
-\newcommand{\Es}{\protect\kemtkn{Es}}
-\newcommand{\Fm}{\protect\kemtkn{Fm}}
-\newcommand{\Md}{\protect\kemtkn{Md}}
-\newcommand{\No}{\protect\kemtkn{No}}
-\newcommand{\Lr}{\protect\kemtkn{Lr}}
-\newcommand{\Db}{\protect\kemtkn{Db}}
-\newcommand{\Jl}{\protect\kemtkn{Jl}}
-\newcommand{\Rf}{\protect\kemtkn{Rf}}
-\newcommand{\Bh}{\protect\kemtkn{Bh}}
-\newcommand{\Hn}{\protect\kemtkn{Hn}}
-\newcommand{\Mt}{\protect\kemtkn{Mt}}
-\newcommand{\Me}{\protect\kemtkn{Me}}
-\newcommand{\Et}{\protect\kemtkn{Et}}
-\newcommand{\Bu}{\protect\kemtkn{Bu}}
-\newcommand{\OH}{\protect\kemtkn{OH}}
-\newcommand{\COOH}{\protect\kemtkn{COOH}}
-\newcommand{\CH}{\protect\kemtkn{CH}}
-\endinput
-%%
-%% End of file `chemsym.sty'.
diff --git a/Master/texmf-dist/tpm/chemsym.tpm b/Master/texmf-dist/tpm/chemsym.tpm
deleted file mode 100644
index bbb2c5f1dc0..00000000000
--- a/Master/texmf-dist/tpm/chemsym.tpm
+++ /dev/null
@@ -1,35 +0,0 @@
-<!DOCTYPE rdf:RDF SYSTEM "../../support/tpm.dtd">
-<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:TPM="http://texlive.dante.de/">
-  <rdf:Description about="http://texlive.dante.de/texlive/Package/chemsym.zip">
-    <TPM:Name>chemsym</TPM:Name>
-    <TPM:Type>Package</TPM:Type>
-    <TPM:Date>2006/01/21 00:25:32</TPM:Date>
-    <TPM:Version></TPM:Version>
-    <TPM:Creator>rahtz</TPM:Creator>
-    <TPM:Title>Macros for typing chemical symbols.</TPM:Title>
-    <TPM:Description>
-The package defines commands for the chemical symbols of the
-elements, which always are typeset in upright font, as they should.
-If not followed by a stoichiometric number, a small space is inserted.
-    </TPM:Description>
-    <TPM:Author>Mats Dahlgren</TPM:Author>
-    <TPM:Size>85941</TPM:Size>
-    <TPM:Build/>
-    <TPM:RunFiles size="7439">
-texmf-dist/tex/latex/chemsym/chemsym.sty
-texmf-dist/tpm/chemsym.tpm
-    </TPM:RunFiles>
-    <TPM:DocFiles size="47745">
-texmf-dist/doc/latex/chemsym/chemsym.dvi
-texmf-dist/doc/latex/chemsym/pertab.dvi
-texmf-dist/doc/latex/chemsym/pertab.tex
-    </TPM:DocFiles>
-    <TPM:SourceFiles size="30757">
-texmf-dist/source/latex/chemsym/00readme.chs
-texmf-dist/source/latex/chemsym/chemsym.dtx
-texmf-dist/source/latex/chemsym/chemsym.ins
-    </TPM:SourceFiles>
-    <TPM:Provides>Package/chemsym</TPM:Provides>
-  </rdf:Description>
-</rdf:RDF>
-
diff --git a/Master/texmf/tpm/collection-science.tpm b/Master/texmf/tpm/collection-science.tpm
index 4265b06f901..677b67737b7 100644
--- a/Master/texmf/tpm/collection-science.tpm
+++ b/Master/texmf/tpm/collection-science.tpm
@@ -28,7 +28,6 @@
       <TPM:Package name="chemarrow"/>
       <TPM:Package name="chemcompounds"/>
       <TPM:Package name="chemcono"/>
-      <TPM:Package name="chemsym"/>
       <TPM:Package name="clrscode"/>
       <TPM:Package name="complexity"/>
       <TPM:Package name="computational-complexity"/>