From 9d5c27cd7720260b66f8026e31cbff60ab4fd281 Mon Sep 17 00:00:00 2001 From: Karl Berry Date: Fri, 14 Feb 2020 22:30:22 +0000 Subject: latex-base-dev (14feb20) git-svn-id: svn://tug.org/texlive/trunk@53778 c570f23f-e606-0410-a88d-b1316a301751 --- Master/texmf-dist/doc/latex-dev/base/ltnews32.tex | 177 ++++++++++++++++++++++ 1 file changed, 177 insertions(+) create mode 100644 Master/texmf-dist/doc/latex-dev/base/ltnews32.tex (limited to 'Master/texmf-dist/doc/latex-dev/base/ltnews32.tex') diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews32.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews32.tex new file mode 100644 index 00000000000..410f1c64775 --- /dev/null +++ b/Master/texmf-dist/doc/latex-dev/base/ltnews32.tex @@ -0,0 +1,177 @@ +% \iffalse meta-comment +% +% Copyright 2019-2020 +% The LaTeX3 Project and any individual authors listed elsewhere +% 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 +% https://www.latex-project.org/lppl.txt +% and version 1.3c or later is part of all distributions of LaTeX +% version 2008 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 +% extension .ins) which are part of the distribution. +% +% \fi +% Filename: ltnews32.tex +% +% This is issue 32 of LaTeX News. + +\NeedsTeXFormat{LaTeX2e}[2020-02-02] + +\documentclass{ltnews} +\usepackage[T1]{fontenc} + +\usepackage{lmodern,url,hologo} + +\usepackage{csquotes} +\usepackage{multicol} + +\providecommand\meta[1]{$\langle$\textit{#1}$\rangle$} +\providecommand\option[1]{\texttt{#1}} +\providecommand\env[1]{\texttt{#1}} + + +\providecommand\XeTeX{\hologo{XeTeX}} +\providecommand\LuaTeX{\hologo{LuaTeX}} +\providecommand\pdfTeX{\hologo{pdfTeX}} +\providecommand\MiKTeX{\hologo{MiKTeX}} +\providecommand\CTAN{\textsc{ctan}} +\providecommand\TL{\TeX\,Live} +\providecommand\githubissue[2][]{\ifhmode\unskip\fi + \quad\penalty500\strut\nobreak\hfill + \mbox{\small\slshape(% + \href{https://github.com/latex3/latex2e/issues/\getfirstgithubissue#2 \relax}% + {github issue#1 #2}% + )}% + \par\smallskip} + +% simple solution right now (just link to the first issue if there are more) +\def\getfirstgithubissue#1 #2\relax{#1} + +\providecommand\sxissue[1]{\ifhmode\unskip\fi + \quad\penalty500\strut\nobreak\hfill + \mbox{\small\slshape(\url{https://tex.stackexchange.com/#1})}\par} + +\providecommand\gnatsissue[2]{\ifhmode\unskip\fi + \quad\penalty500\strut\nobreak\hfill + \mbox{\small\slshape(% + \href{https://www.latex-project.org/cgi-bin/ltxbugs2html?pr=#1\%2F#2}% + {gnats issue #1/#2}% + )}% + \par} + +\let\cls\pkg +\providecommand\env[1]{\texttt{#1}} + +\vbadness=1400 % accept slightly empty columns + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +\iffalse % only for TUB production +\usepackage{graphicx} +\makeatletter +% Xe\TeX{} requires reflecting the first E, hence we complain if the +% graphics package is not present. (For plain documents, this can be +% loaded via Eplain.) Also, at Barbara's suggestion, if the current +% font is slanted, we rotate by 180 instead of reflecting so there is at +% least a chance to look ok. (The magic values here seem more or less +% ok for \texttt{cmsl} and \texttt{cmti}.) +% +% \begin{macrocode} +\def\tubreflect#1{% + \@ifundefined{reflectbox}{% + \TBerror{A graphics package must be loaded for \string\XeTeX}% + }{% + \ifdim \fontdimen1\font>0pt + \raise 1.6ex \hbox{\kern.1em\rotatebox{180}{#1}}\kern-.1em + \else + \reflectbox{#1}% + \fi + }% +} +\def\tubhideheight#1{\setbox0=\hbox{#1}\ht0=0pt \dp0=0pt \box0 } +\def\XekernbeforeE{-.125em} +\def\XekernafterE{-.1667em} +\DeclareRobustCommand{\Xe}{\leavevmode + \tubhideheight{\hbox{X% + \setbox0=\hbox{\TeX}\setbox1=\hbox{E}% + \ifdim \fontdimen1\font>0pt \def\XekernbeforeE{0em}\fi + \lower\dp0\hbox{\raise\dp1\hbox{\kern\XekernbeforeE\tubreflect{E}}}% + \kern\XekernafterE}}} +\def\XeTeX{\Xe\TeX} +\def\XeLaTeX{\Xe{\kern.11em \LaTeX}} +\fi +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\publicationmonth{October} +\publicationyear{2020} + +\publicationissue{32} + +\begin{document} + +%\addtolength\textheight{4.2pc} % only for TUB + +\maketitle +{\hyphenpenalty=10000 \spaceskip=3.33pt \hbadness=10000 \tableofcontents} + +\setlength\rightskip{0pt plus 3em} + + +\medskip + + +\section{Introduction} + +This document is under construction \ldots + + + +\section{Other changes to the \LaTeX{} kernel} + + +\subsection{\cs{symbol} in math mode for large Unicode values} + +The \LaTeXe{} kernel defines the command \cs{symbol}, which allows characters to be +typeset by entering their `slot number'. With the \LuaTeX{} and \XeTeX{} engines, these +slot numbers can extend to very large values to accomodate Unicode characters in the upper +Unicode planes (e.g., bold mathematical capital A is slot number \texttt{"1D400} in hex or +\texttt{119808} in decimal). +The \XeTeX{} engine did not allow \cs{symbol} in math mode for values above $2^{16}$, and +this limitation has now been lifted. +% +\githubissue{124} + + +\section{Changes to packages in the \pkg{tools} category} + +\subsection{Support stretchable glue in \texttt{w}-columns} + +If stretchable glue, e.g., \cs{dotfill}, is used in \env{tabular} +columns made with the \pkg{array} package, it stretches as it would in +normal paragraph text. The one exception were \texttt{w}-columns (but +not \texttt{W}-columns) were it got forced to its nominal width (which +in case if \cs{hfill} or \cs{dotfill} is 0\,pt). This has been +corrected and now \texttt{w}-columns behave like all other column +types in this respect. +% +\githubissue{270} + + + + +\end{document} -- cgit v1.2.3