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diff --git a/Master/texmf-dist/source/latex/unicode-math/um-doc-nfsssummary.tex b/Master/texmf-dist/source/latex/unicode-math/um-doc-nfsssummary.tex new file mode 100644 index 00000000000..645664b4bde --- /dev/null +++ b/Master/texmf-dist/source/latex/unicode-math/um-doc-nfsssummary.tex @@ -0,0 +1,84 @@ +%%^^A%% um-doc-nfsssummary.tex -- part of UNICODE-MATH <wspr.io/unicode-math> + +\section{Documenting maths support in the NFSS} + +In the following, \meta{NFSS decl.} stands for something like |{T1}{lmr}{m}{n}|. + +\begin{description} +\item[Maths symbol fonts] Fonts for symbols: $\propto$, $\leq$, $\rightarrow$ + +\cmd\DeclareSymbolFont\marg{name}\meta{NFSS decl.}\\ +Declares a named maths font such as |operators| from which symbols are defined with \cmd\DeclareMathSymbol. + +\item[Maths alphabet fonts] Fonts for {\font\1=cmmi10 at 10pt\1 ABC}\,–\,{\font\1=cmmi10 at 10pt\1 xyz}, {\font\1=eufm10 at 10pt\1 ABC}\,–\,{\font\1=cmsy10 at 10pt\1 XYZ}, etc. + +\cmd\DeclareMathAlphabet\marg{cmd}\meta{NFSS decl.} + +For commands such as \cmd\mathbf, accessed +through maths mode that are unaffected by the current text font, and which are used for +alphabetic symbols in the \ascii\ range. + +\cmd\DeclareSymbolFontAlphabet\marg{cmd}\marg{name} + +Alternative (and optimisation) for \cmd\DeclareMathAlphabet\ if a single font is being used +for both alphabetic characters (as above) and symbols. + +\item[Maths `versions'] Different maths weights can be defined with the following, switched +in text with the \cmd\mathversion\marg{maths version} command. + +\cmd\SetSymbolFont\marg{name}\marg{maths version}\meta{NFSS decl.}\\ +\cmd\SetMathAlphabet\marg{cmd}\marg{maths version}\meta{NFSS decl.} + +\item[Maths symbols] Symbol definitions in maths for both characters (=) and macros (\cmd\eqdef): +\cmd\DeclareMathSymbol\marg{symbol}\marg{type}\marg{named font}\marg{slot} +This is the macro that actually defines which font each symbol comes from and how they behave. +\end{description} +Delimiters and radicals use wrappers around \TeX's \cmd\delimiter/\cmd\radical\ primitives, +which are re-designed in \XeTeX. The syntax used in \LaTeX's NFSS is therefore not so relevant here. +\begin{description} +\item[Delimiters] A special class of maths symbol which enlarge themselves in certain contexts. + +\cmd\DeclareMathDelimiter\marg{symbol}\marg{type}\marg{sym.\ font}\marg{slot}\marg{sym.\ font}\marg{slot} + +\item[Radicals] Similar to delimiters (\cmd\DeclareMathRadical\ takes the same syntax) but +behave `weirdly'. +\end{description} +In those cases, glyph slots in \emph{two} symbol fonts are required; one for the small (`regular') case, +the other for situations when the glyph is larger. This is not the case in \XeTeX. + +Accents are not included yet. + +\paragraph{Summary} + +For symbols, something like: +\begin{Verbatim} +\def\DeclareMathSymbol#1#2#3#4{ + \global\mathchardef#1"\mathchar@type#2 + \expandafter\hexnumber@\csname sym#2\endcsname + {\hexnumber@{\count\z@}\hexnumber@{\count\tw@}}} +\end{Verbatim} +For characters, something like: +\begin{Verbatim} +\def\DeclareMathSymbol#1#2#3#4{ + \global\mathcode`#1"\mathchar@type#2 + \expandafter\hexnumber@\csname sym#2\endcsname + {\hexnumber@{\count\z@}\hexnumber@{\count\tw@}}} +\end{Verbatim} +\endinput + +% /© +% +% ------------------------------------------------ +% The UNICODE-MATH package <wspr.io/unicode-math> +% ------------------------------------------------ +% This package is free software and may be redistributed and/or modified under +% the conditions of the LaTeX Project Public License, version 1.3c or higher +% (your choice): <http://www.latex-project.org/lppl/>. +% ------------------------------------------------ +% Copyright 2006-2017 Will Robertson, LPPL "maintainer" +% Copyright 2010-2017 Philipp Stephani +% Copyright 2011-2017 Joseph Wright +% Copyright 2012-2015 Khaled Hosny +% ------------------------------------------------ +% +% ©/ |