diff options
Diffstat (limited to 'Master/texmf-dist/source/latex/base/encguide.tex')
| -rw-r--r-- | Master/texmf-dist/source/latex/base/encguide.tex | 121 |
1 files changed, 64 insertions, 57 deletions
diff --git a/Master/texmf-dist/source/latex/base/encguide.tex b/Master/texmf-dist/source/latex/base/encguide.tex index d15bbdcdb22..a38ce10f789 100644 --- a/Master/texmf-dist/source/latex/base/encguide.tex +++ b/Master/texmf-dist/source/latex/base/encguide.tex @@ -1,39 +1,39 @@ % \iffalse meta-comment % -% Copyright 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 +% Copyright 1993-2014 % The LaTeX3 Project and any individual authors listed elsewhere -% in this file. -% +% in this file. +% % This file is part of the LaTeX base system. % ------------------------------------------- -% +% % It may be distributed and/or modified under the % conditions of the LaTeX Project Public License, either version 1.3c % 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 1.3c or later is part of all distributions of LaTeX +% and version 1.3c or later is part of all distributions of LaTeX % version 2005/12/01 or later. -% +% % This file has the LPPL maintenance status "maintained". -% +% % The list of all files belonging to the LaTeX base distribution is % given in the file `manifest.txt'. See also `legal.txt' for additional % information. -% -% The list of derived (unpacked) files belonging to the distribution -% and covered by LPPL is defined by the unpacking scripts (with +% +% The list of derived (unpacked) files belonging to the distribution +% and covered by LPPL is defined by the unpacking scripts (with % extension .ins) which are part of the distribution. -% +% % \fi % $Id: encguide.tex 5713 2006-01-18 23:29:23Z robin $ % - + \NeedsTeXFormat{LaTeX2e}[1995/12/01] - + \documentclass{ltxguide}[1994/11/20] - + \usepackage[T1]{fontenc} \IfFileExists{lmodern.sty}{\usepackage{lmodern}}{} \usepackage{textcomp} @@ -175,7 +175,7 @@ \else \count@="80 \setbox0=\hbox{\X - \loop\char\count@\advance\count@ by1 \ifnum\count@<"100 + \loop\char\count@\advance\count@ by1 \ifnum\count@<"100 \repeat}% \ifdim\wd0>0pt \let\top\tophalf\else\let\top\notophalf\fi \beginchart\X{\hfill\llap{\textbf{#1, \large#2}\label{fonttable:#1}}}\normalchart @@ -187,18 +187,18 @@ \setcounter{tocdepth}{3} \title{\LaTeX{} font encodings} - + \author{Frank Mittelbach \and Robin Fairbairns \and Werner Lemberg \and \LaTeX3 Project Team.} - -\date{\copyright~Copyright 1995--1997, 2005, 2006 \\[5pt] 6 January 2006} - + +\date{\copyright~Copyright 1995--2014 \\[5pt] 23 March 2014} + \begin{document} - + \maketitle - + \tableofcontents - + \section{Introduction} This document explains the ideas that underpin \LaTeX{} font @@ -259,7 +259,7 @@ The Computer Modern text encoding raises problems in unmodified \verb"\accent" commands. Even in those Western European languages for which the \Enc{OT1} encoding has symbols for the necessary \verb"\accent"-based diacritics, this shortcoming ruins typesetting of -running text. +running text. With the advent of \TeX{}\,3, with its ability to switch between hyphenation pattern sets, it was clear that the situation could not @@ -300,11 +300,11 @@ most likely be delayed still further. \subsection{Further information} - + For a general introduction to \LaTeX, including the new features of \LaTeXe, you should read \emph{\LaTeXbook}, Leslie Lamport, Addison Wesley, 2nd~ed, 1994. - + A more detailed description of the new features of \LaTeX, including an overview of more than 200 packages and nearly 1000 ready to run examples, is to be found in \emph{\LaTeXcomp{} second edition} by Frank Mittelbach and @@ -314,11 +314,11 @@ The \LaTeX{} project sponsored a report on Mathematical % spelt out in full font encodings, which is worth reading for its insight into the problems of defining the way in which math is used: see~\cite{ziegler,clasen,clasen-vieth}. - + The \LaTeX{} font selection scheme is based on \TeX, which is described by its developer in \emph{The \TeX book}, Donald E.~Knuth, Addison Wesley, 1986, revised in 1991 to include the features of \TeX~3. - + For more information about \TeX{} and \LaTeX, please contact your local \TeX{} Users Group, or the international \TeX{} Users Group (\url{http://www.tug.org}). @@ -369,7 +369,7 @@ start with |E|, whilst |U| is for Unknown or Unclassified encodings. change from font to font, a number of problems arise, so it is best to develop encodings that can be used with a large number of fonts in parallel. This allows documents to be typeset using different fonts without problems. - + The \Enc{TS1} encoding is a good example of a \emph{bad} encoding (even though it was developed with the best intentions) as a huge number of fonts can only implement parts of it. Similarly, the fact that the few sets of @@ -378,7 +378,7 @@ start with |E|, whilst |U| is for Unknown or Unclassified encodings. problems. Don't add to this if possible! \end{quote} - + \subsection{128$^+$ glyph encodings (text)} The `OT' series of font encodings start with Donald Knuth's original @@ -408,7 +408,7 @@ signifying `original', or just `old'. \verb=\=, \verb={=, and \verb=}= are only available in the typewriter fonts and the \textdollar{} and \textsterling{} signs share the same position (in different font shapes). - + This means that direct selection of these slots can produce unpredictable results, e.g., typing \texttt{\string<} or \verb=\symbol{'74}= in a document can yield `\textquestiondown'. @@ -437,7 +437,7 @@ signifying `original', or just `old'. The \Enc{OT3} encoding was never really used with \LaTeXe{} following the introduction of the TIPA system which offers much better support for IPA. In particular, no \File{ot3enc.def} - file was ever produced. + file was ever produced. \end{encodinginfo} @@ -467,7 +467,7 @@ signifying `original', or just `old'. \end{encodinginfo} - + \begin{encodinginfo}{OT6} {Armenian text encoding} @@ -479,6 +479,13 @@ signifying `original', or just `old'. This encoding was allocated to permit use of Dachian's Armenian fonts in a standard \LaTeX{} environment. + + Because of license issues the \texttt{artmr} fonts are not necessarily + included in distributed \TeX{} installations (and for this reason the + corresponding encoding table is not shown below). However, the fonts + and the support macros can be found on the CTAN archives (look for + \texttt{armtex}). + \end{encodinginfo} @@ -517,7 +524,7 @@ signifying `original', or just `old'. {--- (within each encoding)} {larm1000} {\cite{Berdnikov:eurotex-98}} - + There are too many glyphs in the full Cyrillic complement of languages for all of them to be covered by a single \LaTeX{}-compliant encoding (the lower half of each @@ -546,7 +553,7 @@ signifying `original', or just `old'. The \Enc{T3} encoding (and associated macros) provides the glyphs required in phonetic description according to current International Phonetic Association recommendations \cite{ipa}. - + The \Enc{T3} encoding does \emph{not fulfil} the requirements for \Enc{T} encodings---the name is a historical accident. The correct name would be \Enc{X3}, but due to the fact that this font family has been used under its @@ -563,15 +570,15 @@ signifying `original', or just `old'. {0x00--0xFF} % range(s) of slots used for glyphs {0x24} % range(s) of slots with variable glyphs if any {fcr10} % name of an example font - {\cite{tub:JKn93}} + {\cite{tub:JKn93}} The African Latin fonts contain in their lower half (0--127) the same characters as the European Latin (T1-encoded) Fonts, while in their upper half (128--255) they contain letters and symbols for African languages that use extended -Latin alphabets. +Latin alphabets. Due to lack of space, J\"org had to play the unfortunate trick of -assigning \verb=\textdollar= and \verb=\textsterling= +assigning \verb=\textdollar= and \verb=\textsterling= the same position; users should take these characters from the text companion font, if they are needed. Instead of defining a lot of new control sequences for the single letters, there are three @@ -579,9 +586,9 @@ accent-like control sequences with general purpose: \verb=\m= (Modified-1), \verb=\M= (Modified-2) and \verb=\B= (Barred). -Most standard \LaTeX{} encoding-dependent commands +Most standard \LaTeX{} encoding-dependent commands work. However, the Icelandic special letters are not available and `best -replacements' for \verb=\Th=, \verb=\th=, and \verb=\dh= +replacements' for \verb=\Th=, \verb=\th=, and \verb=\dh= are used (barred T and d resp.). \end{encodinginfo} @@ -667,8 +674,8 @@ itself hasn't been defined so far. \else \expandafter\ifx\csname r@fonttable:ptmr8c\endcsname\relax \else - \space (compare the two tables for \Enc{TS1} on - pages~\pageref{fonttable:tcrm1000} + \space (compare the two tables for \Enc{TS1} on + pages~\pageref{fonttable:tcrm1000} and~\pageref{fonttable:ptmr8c})% \fi \fi. @@ -738,7 +745,7 @@ itself hasn't been defined so far. {---} {cmsy10} {\cite[p.431]{A-W:DKn86}} - + The \Enc{OMS} encoding contains basic mathematical symbols, together with an uppercase ``calligraphic'' Latin alphabet. \end{encodinginfo} @@ -793,7 +800,7 @@ given in \cite{ziegler}. {all} {} {\cite[p.416]{A-W:MG2004}} - + As the name indicates, encodings starting with the letter \Enc{E} are intended for experimental encodings, that are still likely to change. \end{encodinginfo} @@ -805,14 +812,14 @@ given in \cite{ziegler}. {all} {} {\cite[p.416]{A-W:MG2004}} - + `Local' encodings provide the means to develop representation techniques that are suited to a particular \TeX{} environment. While the developer has freedom to specify their encoding as he or she pleases, there is a strong incentive to obey the \LaTeX{} rules for encodings, since it will otherwise be difficult to compose text using the encoding. - + At least it was the intention that \Enc{L..} encodings are local and site dependent. However, a number of such encodings became generally used without ever getting a different name allocated. @@ -828,7 +835,7 @@ given in \cite{ziegler}. {\emph{believed none}} {ptmr8y} {\cite[p.416]{A-W:MG2004}} - + This is an alternative to the \Enc{T1} encoding developed by Y\&Y and used in their commerical \TeX{} implementation. @@ -856,7 +863,7 @@ given in \cite{ziegler}. {\emph{believed none}} {grmn1000} {\cite[p.575]{A-W:MG2004}} - + Currently the main encoding in use for the Greek language. This encoding doesn't conform to the restrictions for @@ -875,7 +882,7 @@ given in \cite{ziegler}. {---} {} {\cite{Adobe:PDF-1.6}, \cite{hyperref}} - + The \Enc{PD1} encoding is a virtual encoding with 256 glyphs needed to produce bookmarks and similar text in PDF document generated with pdf\LaTeX. The encoding is ``virtual'' because by design there are no \TeX{} @@ -891,7 +898,7 @@ given in \cite{ziegler}. {---} {} {\cite{Adobe:PDF-1.6}, \cite{hyperref}} - + Another virtual encoding (with more than 600 characters) for Unicode-encoded bookmarks in PDF documents. \end{encodinginfo} @@ -912,7 +919,7 @@ given in \cite{ziegler}. -\section{Restrictions} +\section{Restrictions} \label{sec:restrictions} @@ -1165,14 +1172,14 @@ accented. For example, |\v{c}| is the \textsc{licr} for `\v{c}'. \ttverb\textunderscore \>OT1,T1\> \textunderscore \> \\ \ttverb\textvisiblespace \>OT1,T1\> \textvisiblespace\> \\ \ttverb\th \>T1 \> \th \> -\end{tabbing} +\end{tabbing} \begin{thebibliography}{99} \addcontentsline{toc}{section}{\numberline{\relax}\refname} - + \bibitem{Adobe:PDF-1.6} \emph{\textsc{PDF} reference}: Adobe portable document format version~1.6. Adobe Systems @@ -1238,9 +1245,9 @@ Michael~J. Ferguson. \bibitem{tub:JKn93} J\"org Knappen. -\newblock Fonts for Africa: The fc Fonts. +\newblock Fonts for Africa: The fc Fonts. \newblock {\em {TUG}boat}, 14(2):104, 1993. - + \bibitem{Knappen:TB17-2-96} J\"org Knappen: \emph{The \Pkg{dc} fonts~1.3: Move towards stability and completeness}. In: TUGBoat 17\#2, 1996. @@ -1249,7 +1256,7 @@ J\"org Knappen. \bibitem{A-W:DKn86} Donald~E. Knuth. \newblock {\em The {\TeX}book}. -\newblock Volume~A of {\em Computers \& {T}ypesetting\/}, +\newblock Volume~A of {\em Computers \& {T}ypesetting\/}, May 1989. \newblock Eight printing. @@ -1278,7 +1285,7 @@ Frank Mittelbach and Michel Goossens. \url{http://unicode.org}. \bibitem{ziegler} Justin Ziegler, \emph{Technical - Report on Math Font Encodings}, June 1994, + Report on Math Font Encodings}, June 1994, \url{http://www.tug.org/twg/mfg/papers/ltx3pub/l3d007.ps.gz}. \end{thebibliography} @@ -1305,7 +1312,7 @@ for each font it fails to find.) \ftable{plr10}{OT4} -\ftable{artmr10}{OT6} +%\ftable{artmr10}{OT6} \ftable{ecrm1000}{T1} |