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% \iffalse meta-comment
%
% Copyright (C) 2018 - 2021 by ChairX
%
% This file may be distributed and/or modified under the
% conditions of the LaTeX Project Public License, either
% version 1.3 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 2005/12/01 or later.
%
% This file contains the documentation of all general mathematics macros .
%
% Macros have to be described by (delete the first %)
% \DescribeMacro{\macro}
% Description and usage of the macro.
%
% The description will appear in the usage
% part of the documentation. Use \subsubsection{} etc. for structuring.
%
% The implementation of the macros defined here has to be written in
% chairxmathGeneral.dtx
%\fi
%
%
% We use the |tensor| package and modify things slightly to fit our
% needs: we provide a decoration command that allows to decorate
% arbitrary math symbols from left and right, top and bottom with
% other math symbols. This can be used to produce tensors with many
% indices. However, this is far too useful to be restricted to tensors
% only. The original |\tensor| macro from the |tensor package| is
% still available under the name |\originaltensor|. Note, that the
% |\tensor| command in |nchairx| is intended for the symbol of tensor
% product, and not for decorating a symbol with indices.
%
% \DescribeMacro{\decorate}
% Decorate a symbol from all sides. The option argument gives the
% decoration in front of the symbol, the first argument the symbol,
% the second (mandatory) argument the decoration after the symbol. For
% each decoration several superscripts and subscripts can be used like
% |\decorate[^a_b^c]{S}{_d^{rt}_e}|:
% $\decorate[^a_b^c]{S}{_d^{rt}_e}$.
%
% \DescribeMacro{\deco}
% We also provide a simpler version of |\decorate| called |\deco|
% which takes five usual arguments and sets them as sub- and
% superscripts before and after the middle symbol
% |\deco{a}{b}{c}{d}{e}|:$\deco{a}{b}{c}{d}{e}$ This can be used to
% define your own macros with decoration. E.g. for bimodules over
% rings one could define
% |\newcommand{\bimodule}[3]{\deco{}{\ring{#1}{\module{#2}}{}{\ring{#3}}}}|
% which can then be used as |\bimodule{R}{E}{S}|:
% $\deco{}{\ring{R}}{\module{E}}{}{\ring{S}}$.
%
% \DescribeMacro{\script}
% Sets the argument in the |scriptfont| and hence allows to create macros
% with fonts consistent with the other |nchairx| macros.
|
