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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}{1.001} % experimental
\registerctxluafile{blob-ini}{1.001}
%D For the moment here:
\unprotect
% this one takes simple (utf) strings
\def\widthofstring#1{\ctxcommand{widthofstring(\!!bs#1\!!es)}}
% this one takes anything that can be typeset
\unexpanded\def\setwidthof#1\to#2%
{\bgroup
\setbox\scratchbox\hbox{#1}%
\expanded{\egroup\def\noexpand#2{\the\wd\scratchbox}}}
\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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