diff options
Diffstat (limited to 'luatexbase-regs.dtx')
| -rw-r--r-- | luatexbase-regs.dtx | 95 |
1 files changed, 46 insertions, 49 deletions
diff --git a/luatexbase-regs.dtx b/luatexbase-regs.dtx index 7d1a25d..6ccfa08 100644 --- a/luatexbase-regs.dtx +++ b/luatexbase-regs.dtx @@ -88,10 +88,7 @@ and the derived files \ProvidesFile{luatexbase-regs.drv} [DATE DESC] \documentclass{ltxdoc} -\makeatletter -\newcommand\eTeX{$\m@th\varepsilon$-\TeX} -\newcommand\LuaTeX{Lua\TeX} -\makeatother +\input lltxb-dtxstyle.tex \EnableCrossrefs \CodelineIndex \begin{document} @@ -120,48 +117,48 @@ and the derived files % % \GetFileInfo{luatexbase-regs.drv} % -% \title{The \textsf{luatexbase-regs} package} +% \title{The \pk{luatexbase-regs} package} % \date{DATE} % \author{% -% Manuel P\'egouri\'e-Gonnard \\ \texttt{mpg@elzevir.fr} \and -% \'Elie Roux \\ \texttt{elie.roux@telecom-bretagne.eu}} +% Manuel P\'egouri\'e-Gonnard \\ \email{mpg@elzevir.fr} \and +% \'Elie Roux \\ \email{elie.roux@telecom-bretagne.eu}} % % \maketitle % % \begin{abstract} -% This package extends the register allocation scheme of Plain~\TeX\ and -% \LaTeX\ to take advantage of the increased number of registers available in -% \LuaTeX. +% This package extends the register allocation scheme of \plaintex and +% \latex to take advantage of the increased number of registers available in +% \luatex. % \end{abstract} % % \section{Documentation} % -% Since the Plain~\TeX\ and \LaTeX\ formats are both frozen, they fail to take -% into account the extended resources provided by newer \TeX-like engines. -% This package focuses on the allocation scheme for registers. \TeX82 provides +% Since the \plaintex and \latex formats are both frozen, they fail to take +% into account the extended resources provided by newer \tex-like engines. +% This package focuses on the allocation scheme for registers. \texe provides % $6$ kinds or registers: count, dimen, skip, muskip, box and toks and has % $256$ registers of each kind. \eTeX\ and most of its descendants add one -% kind of register (marks) and offers $2^{15} = 32768$ of each kind. \LuaTeX\ +% kind of register (marks) and offers $2^{15} = 32768$ of each kind. \luatex % provides $2^{16} = 65536$ registers of each kind. (It also provides new % register-like resources, but this package addresses only the resources % inherited from \eTeX.) % -% More precisely, \textsf{luatexbase-regs} loads the \textsf{etex} package (or +% More precisely, \pk{luatexbase-regs} loads the \pk{etex} package (or % makes sure it is preloaded in the format) and then adapts it to the new -% limits of \LuaTeX. Thus, all macros defined by the \textsf{etex} package are -% made available (most notably, \verb+\loccount+, \verb+\globcountblk+, -% \verb+\loccountblk+ and alike). However, if a register of some kind has been +% limits of \luatex. Thus, all macros defined by the \pk{etex} package are +% made available (most notably, |\loccount|, |\globcountblk|, +% |\loccountblk| and alike). However, if a register of some kind has been % locally allocated before this package is loaded, then the number of % allocatable registers of this kind will not be extended to $65536$. To avoid -% this, load \textsf{luatexbase-regs} earlier. +% this, load \pk{luatexbase-regs} earlier. % -% The Plain~\TeX\ and \LaTeX\ formats define a new kind of resource: +% The \plaintex and \latex formats define a new kind of resource: % \emph{inserts} which are merely a family (count, dimen, skip, box) of % registers with the same number. Inserts allocation begins at $255$ and goes % toward $0$. Thus we can make room for more inserts by making allocation of -% count-, dimen-, skip- and box-registers start from $256$. With real \eTeX, +% count-, dimen-, skip- and box-registers start from $256$. With real \etex, % it may be a bad idea since registers with index greater than $256$ have -% degraded performance due to implementation details, but with \LuaTeX the +% degraded performance due to implementation details, but with \luatex the % performance is uniform, so we just do it. % % \clearpage @@ -174,7 +171,7 @@ and the derived files % % \subsection{Preliminaries} % -% Reload protection, especially for Plain TeX. +% Reload protection, especially for \plaintex. % % \begin{macrocode} \csname lltxb@regs@loaded\endcsname @@ -194,7 +191,7 @@ and the derived files \x{luatexbase-regs}[2010/01/14 Registers allocation for LuaTeX (mpg)] % \end{macrocode} % -% Make sure \LuaTeX\ is used. +% Make sure \luatex is used. % % \begin{macrocode} \begingroup\expandafter\expandafter\expandafter\endgroup @@ -218,7 +215,7 @@ and the derived files \fi % \end{macrocode} % -% Make sure the catcode of @ is correct, especially for Plain~\TeX. +% Make sure the catcode of @ is correct, especially for \plaintex. % % \begin{macrocode} \expandafter\edef\csname lltxb@AtEnd\endcsname{% @@ -228,8 +225,8 @@ and the derived files % % \subsection{Main content} % -% If running \LaTeX, load \texttt{etex.sty}. If not, either -% \texttt{etex.src} was loaded at format generation time, or we cannot do +% If running \latex, load \file{etex.sty}. If not, either +% \file{etex.src} was loaded at format generation time, or we cannot do % anything. % % \begin{macrocode} @@ -240,8 +237,8 @@ and the derived files % \end{macrocode} % % To the best of my (mpg) knowledge, all Plain-based formats built with -% \eTeX-enabled engines in \TeX\,Live load \texttt{etex.src}. However, -% let's be careful and check that \texttt{etex.sty} or \texttt{etex.src} is +% \etex-enabled engines in \texlive load \file{etex.src}. However, +% let's be careful and check that \file{etex.sty} or \file{etex.src} is % loaded. % % \begin{macrocode} @@ -274,12 +271,12 @@ and the derived files \ifnum\count276=32768 \count276=65536 \fi % \end{macrocode} % -% \verb|\box| registers and \verb|mark|s were previously defined -% using \verb|\mathchardef| since it had the biggest range under \eTeX -% (15-bit number). However, this is not enough for \LuaTeX's extended -% registers. Fortunately, \verb|chardef|'s range is extended, and now large -% enough, so use it everywhere instead of \verb+\mathchardef+. Do this -% inside a group and use \verb+\toks0+ to store the list of actions. +% |\box| registers and |\mark|s were previously defined +% using |\mathchardef| since it had the biggest range under \etex +% (15-bit number). However, this is not enough for \luatex's extended +% registers. Fortunately, |\chardef|'s range is extended, and now large +% enough, so use it everywhere instead of |\mathchardef|. Do this +% inside a group and use |\toks0| to store the list of actions. % % \begin{macrocode} \begingroup \toks0{} @@ -290,7 +287,7 @@ and the derived files % Notice that the auxiliary macros will automatically expand to the desired % level when necessary, see below. % -% First, here are the definitions from \texttt{etex.src}, in a form adapted +% First, here are the definitions from \file{etex.src}, in a form adapted % to our needs. % % \begin{macrocode} @@ -319,8 +316,8 @@ and the derived files }} % \end{macrocode} % -% Then, the definitions from \texttt{etex.sty} since they are subtly -% different (\verb+\outer+ status, but also optional spaces or \verb+=+ +% Then, the definitions from \file{etex.sty} since they are subtly +% different (|\outer| status, but also optional spaces or |=| % signs). % % \begin{macrocode} @@ -382,10 +379,10 @@ and the derived files \the\toks0 % \end{macrocode} % -% Finally, make allocation of \verb|\count|, \verb|\dimen|, \verb|skip| and -% \verb|\box| start with numbers $>255$, in order to free the lower numbers -% for insertions. Be careful with \verb|\new...| macros which are -% \verb|\outer| in Plain, since we're in the middle of an \verb|\if| test. +% Finally, make allocation of |\count|, |\dimen|, |skip| and +% |\box| start with numbers $>255$, in order to free the lower numbers +% for insertions. Be careful with |\new...| macros which are +% |\outer| in Plain, since we're in the middle of an |\if| test. % % \begin{macrocode} \expandafter\let\csname newcount\endcsname\globcount @@ -404,15 +401,15 @@ and the derived files % % \section{Test files} % -% Here we test only the two main formats: Plain~\TeX\ (with -% \texttt{etex.src} -% loaded) and \LaTeX, both with the \LuaTeX\ engine. Those correspond to -% the \texttt{luatex} and \texttt{lualatex} commands in \TeX\,Live. +% Here we test only the two main formats: \plaintex (with \file{etex.src} +% loaded) and \latex, both with the \luatex engine. Those correspond to +% the \cmdname{luatex} and \cmdname{lualatex} commands in \texlive. % % We want to make sure we can globally and locally allocate $30000$ -% registers of each kind, and still globally allocate $100$ -% \verb+\insert+s. (Those numbers are not optimal, but they should be -% enough for testing purposes.) +% registers of each kind, and still globally allocate $100$ |\insert|s. +% Next we globally allocate a bloc of $3000$ registers of each kind, and +% locally a block of $1000$. (Those numbers are not optimal, but they +% should be enough for testing purposes.) % % \begin{macrocode} %<testplain>\input luatexbase-regs.sty |