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%D \module
%D [ file=blob-ini,
%D version=2010.04.06,
%D title=\CONTEXT\ \LUA\ Typesetting,
%D subtitle=Initialization,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
\writestatus{loading}{ConTeXt Lua Typesetting / Initialization}
%D This is a prelude to typesetting at the \LUA\ end. The code
%D is already quite old but will only get nice when we are further
%D down the road (close to version 1.00 of \LUATEX). Typesetting in
%D pure \LUA\ sometimes makes sense.
\registerctxluafile{node-typ}{autosuffix} % experimental
\registerctxluafile{blob-ini}{autosuffix}
\unprotect
% \widthofstring % defined in lua
% \heightofstring % defined in lua
% \depthofstring % defined in lua
% \heightanddepthofstring % defined in lua
\permanent\def\wdofstring#1{\dimexpr\widthofstring {#1}\relax} % assured an dimen
\permanent\def\htofstring#1{\dimexpr\heightofstring{#1}\relax} % assured an dimen
\permanent\def\dpofstring#1{\dimexpr\depthofstring {#1}\relax} % assured an dimen
\permanent\def\hdofstring#1{\dimexpr\totalofstring {#1}\relax} % assured an dimen
\aliased\let\heightanddepthofstring\totalofstring
\aliased\let\htdpofstring \hdofstring
% \let\hd\htdp % if yes then move this
% This one takes anything that can be typeset
\permanent\protected\def\setwidthof#1\to#2{\edef#2{\widthofstring{#1}}}
\protect \endinput
% \starttext
%
% \startluacode
% local b = blobs.new()
% blobs.append(b,"Hello world.\n Here we are.\n\n And Again!")
% blobs.pack(b)
% blobs.write(b)
% \stopluacode
%
% \stoptext
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