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%D \module
%D [ file=typo-brk,
%D version=2009.03.27, % code moved from core-spa.mkiv
%D title=\CONTEXT\ Typesetting Macros,
%D subtitle=Breakpoints,
%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 Typesetting Macros / Breakpoints}
\unprotect
% hm, we cannot prebuild lists, font dependent
%
% -- type nleft nright language left right middle
%
% -- we might eventually stick to only method 5
\registerctxluafile{typo-brk}{}
\definesystemattribute[breakpoint][public,global]
% see below: \exhyphenchar \minusone % we use a different order tha n base tex, so we really need this
\unexpanded\def\definebreakpoints
{\dosingleargument\typo_breakpoints_define}
\def\typo_breakpoints_define[#1]%
{\clf_definebreakpoints{#1}}
\def\definebreakpoint
{\dotripleempty\typo_breakpoints_define_character}
\def\typo_breakpoints_define_character[#1][#2][#3]% name char settings
{\begingroup
\getdummyparameters
[\c!type=\plusone,\c!nleft=\plusthree,\c!nright=\plusthree,%
\s!language=,\c!left=,\c!right=,\c!middle=,\c!range=\v!no,%
#3]%
\clf_definebreakpoint
{#1}%
{#2}%
{\reallanguagetag{\directdummyparameter\s!language}}%
{% maybe deal with #3 at the lua end
type \directdummyparameter\c!type
nleft \directdummyparameter\c!nleft
nright \directdummyparameter\c!nright
right {\directdummyparameter\c!right}%
left {\directdummyparameter\c!left}%
middle {\directdummyparameter\c!middle}%
range {\directdummyparameter\c!range}%
}%
\relax
\endgroup}
\unexpanded\def\setbreakpoints[#1]%
{\exhyphenchar\minusone % we use a different order tha n base tex, so we really need this
\clf_setbreakpoints{#1}}
\unexpanded\def\resetbreakpoints
{\attribute\breakpointattribute\attributeunsetvalue}
\definebreakpoints[compound]
% 1: simple break
% 6: simple break but skip same
\definebreakpoint [compound] [+] [\c!nleft=3,\c!nright=3,\c!type=1] % middle=+,left=,right=
%definebreakpoint [compound] [-] [\c!nleft=3,\c!nright=3,\c!type=1,\c!range=\v!yes] % middle=+,left=,right=
\definebreakpoint [compound] [-] [\c!nleft=3,\c!nright=3,\c!type=6,\c!range=\v!yes] % middle=+,left=,right=
\definebreakpoint [compound] [/] [\c!nleft=3,\c!nright=3,\c!type=1] % middle=+,left=,right=
\definebreakpoint [compound] [(] [\c!nleft=3,\c!nright=3,\c!type=2] % type=5,middle=(,left=(-,right=
\definebreakpoint [compound] [)] [\c!nleft=3,\c!nright=3,\c!type=3] % type=5,middle=),left=,right=-)
\let\installbreakpoint\definebreakpoint % for a while
% \start \hsize 1.5cm \setbreakpoints[compound]
% \definebreakpoint [compound] [-] [nleft=3,nright=3,type=5,left=,right={-},middle={-}]
% \definebreakpoint [compound] [(] [nleft=3,nright=3,type=5,left=,right={(-},middle={(}]
% \definebreakpoint [compound] [)] [nleft=3,nright=3,type=5,left={-)},right=,middle={)}]
% composed-word\par composed(word)\par
% \stop
% \mainlanguage[czech]
% \definebreakpoint [compound] [\number`-] [language=cs,nleft=3,nright=3,type=4]
% \setbreakpoints[compound]
% \start \hsize 1mm test-test \par \stop
%D Maybe some day default:
%
% \setbreakpoints[compound]
\protect \endinput
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