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-rw-r--r--Master/texmf-dist/doc/generic/FAQ-en/faq-symbols.tex66
1 files changed, 43 insertions, 23 deletions
diff --git a/Master/texmf-dist/doc/generic/FAQ-en/faq-symbols.tex b/Master/texmf-dist/doc/generic/FAQ-en/faq-symbols.tex
index e1c8caac05f..07050510f3d 100644
--- a/Master/texmf-dist/doc/generic/FAQ-en/faq-symbols.tex
+++ b/Master/texmf-dist/doc/generic/FAQ-en/faq-symbols.tex
@@ -1,4 +1,4 @@
-% $Id: faq-symbols.tex,v 1.14 2012/01/16 23:37:15 rf10 Exp rf10 $
+% $Id: faq-symbols.tex,v 1.15 2014/01/28 18:17:36 rf10 Exp rf10 $
\section{Symbols, etc.}
@@ -53,7 +53,7 @@ symbols from a variety of font families.
Mathematicians commonly use special lettering for the real numbers and
other standard number sets. Traditionally these were typeset in bold.
-In the ordinary course of events, mathematicians do not have
+In the ordinary course of events, but mathematicians do not have
access to bold chalk, so they invented special symbols that are now
often used for the number sets. Such symbols are known as
``blackboard bold'' (or double-stroked) letters; in place of the heavier
@@ -96,16 +96,23 @@ A document that shows the \FontName{bbm}, \FontName{bbold},
a feel for their appearance, is available (\acro{CTAN} package
\Package{blackboard}).
+The \Package{boondox} font set consists of Type~1 versions of the
+\acro{STIX} mathematics set (the originals are distributed in
+\acro{OTF} format). The set contains a font
+`BOONDOXDoubleStruck-Regular' (blackboard bold) (as well as a `bold'
+version of that.
+
An alternative source of Type~1 fonts with blackboard bold characters
may be found in the steadily increasing set of complete families, both
commercial and free, that have been prepared for use with \AllTeX{}
(see % beware line break
\htmlonly{``}\Qref[question]{choice of outline fonts}{Q-psfchoice}\htmlonly{''}).
Of the free sets, the \FontName{txfonts} and \FontName{pxfonts} families
-both come with replicas of \FontName{msam} and \FontName{msbm}
-(though, as noted elsewhere, there are other reasons not to use these
-fonts). The \FontName{mathpazo} family includes a ``mathematically
-significant'' choice of blackboard bold characters, and the
+both come with replicas of \FontName{msam} and \FontName{msbm}, but
+(as noted elsewhere, there are other reasons not to use these fonts);
+revised versions of the fonts, \FontName{newtx} and \FontName{newpx}
+are better adjusted. The \FontName{mathpazo} family includes a
+``mathematically significant'' choice of blackboard bold characters, and the
\FontName{fourier} fonts contain blackboard bold upper-case letters,
the digit `1', and lower-case `k'.
@@ -140,9 +147,12 @@ the meaning of laziness (in this respect!).
\item[doublestroke fonts]\CTANref{doublestroke}
\item[fourier fonts]\CTANref{fourier}
\item[mathpazo fonts]\CTANref{mathpazo}
+\item[newpx]\CTANref{newpx}
+\item[newtx]\CTANref{newtx}
\item[pxfonts]\CTANref{pxfonts}
\item[txfonts]\CTANref{txfonts}
\end{ctanrefs}
+\LastEdit{2013-12-04}
\Question[Q-scriptfonts]{Better script fonts for maths}
@@ -241,32 +251,41 @@ catalogue entries.
\end{ctanrefs}
\LastEdit{2011-08-17}
-\Question[Q-boldgreek]{Setting bold Greek letters in \LaTeX{}}
+\Question[Q-boldgreek]{Setting bold Greek letters in \LaTeX{} maths}
The issue here is complicated by the fact that \csx{mathbf} (the
command for setting bold \emph{text} in \TeX{} maths) affects a select
-few mathematical symbols (the uppercase Greek letters). However
-lower-case Greek letters behave differently from upper-case Greek
-letters (due to Knuth's esoteric font encoding decisions). However,
-\csx{mathbf} \emph{can't} be used even for upper-case Greek letters in
-the \AMSLaTeX{} \Package{amsmath} package, which
-disables this font-switching and you must use one of the techniques
-outlined below.
-
-The \plaintex{} solution \emph{does} work, in a limited way:
+few mathematical `symbols' (the uppercase Greek letters).
+
+In the default configuration, lower-case Greek letters behave
+differently from upper-case Greek letters (the lower-case greek
+letters are in the maths fonts, while the upper-case letters are in
+the original (OT1-encoded) text fonts).
+
+The \plaintex{} solution \emph{does} work, in a limited way; you set a
+maths \emph{style}, before you start an equation; thus
\begin{quote}
\begin{verbatim}
{\boldmath$\theta$}
\end{verbatim}
\end{quote}
-but \csx{boldmath} may not be used in maths mode, so this `solution'
-requires arcana such as:
+does the job, but \csx{boldmath} may not be used in maths mode. As a
+result, this solution requires that you embed single bold characters
+in a text box:
\begin{quote}
\begin{verbatim}
$... \mbox{\boldmath$\theta$} ...$
\end{verbatim}
\end{quote}
-which then causes problems in superscripts, etc.
+which then causes problems in superscripts, etc. With
+\Package{amsmath} loaded,
+\begin{quote}
+\begin{verbatim}
+$... \text{\boldmath$\theta$} ...$
+\end{verbatim}
+\end{quote}
+does the trick (and is less bad in regard to superscripts, etc), but
+is an unsatisfactory solution, too.
These problems may be addressed by using a bold mathematics package.
\begin{itemize}
@@ -278,14 +297,15 @@ These problems may be addressed by using a bold mathematics package.
comprehensive than \csx{bm}) covers almost all common cases.
\end{itemize}
-All these solutions cover all mathematical symbols, not merely Greek
-letters.
+All these solutions apply to all mathematical symbols, not merely
+Greek letters.
\begin{ctanrefs}
\item[bm.sty]Distributed as part of \CTANref{2etools}[bm]
\item[amsbsy.sty]Distributed as part of \AMSLaTeX{} \CTANref{amslatex}[amsbsy]
\item[amsmath.sty]Distributed as part of \AMSLaTeX{}
\CTANref{amslatex}[amsmath]
\end{ctanrefs}
+\LastEdit{2013-06-12}
\Question[Q-prinvalint]{The Principal Value Integral symbol}
@@ -583,11 +603,11 @@ options available to the \AllTeX{} user, is already supported by
package. Similar support is also in the works for
\Qref*{\LuaTeX{}}{Q-luatex}.
\begin{ctanrefs}
+\item[boondox \nothtml{\rmfamily}fonts]\CTANref{boondox}
\item[cmolddig \nothtml{\rmfamily}fonts]\CTANref{cmolddig}
\item[eco \nothtml{\rmfamily}fonts]\CTANref{eco}
\item[fontinst]\CTANref{fontinst}
\item[fontspec.sty]\CTANref{fontspec}
\item[mathpazo \nothtml{\rmfamily}fonts]\CTANref{mathpazo}
\end{ctanrefs}
-\LastEdit{2013-05-14}
-
+\LastEdit{2013-12-04}