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+%D \module
+%D [ file=hand-ini, % moved from enco-ini / pro
+%D version=2000.12.27, % 1998.12.03,
+%D title=\CONTEXT\ Handling Macros,
+%D subtitle=Initialization,
+%D author=Hans Hagen,
+%D date=\currentdate,
+%D copyright={PRAGMA / Hans Hagen \& Ton Otten}]
+%C
+%C This module is part of the \CONTEXT\ macro||package and is
+%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
+%C details.
+
+%D {\em This module is experimental and implements font
+%D specific features, like hanging punctuation.}
+
+\unprotect
+
+\startmessages dutch library: handlings
+ title: handling
+ 1: font afhandeling --
+ 2: font afhandeling -- wordt geladen
+ 3: onbekende font afhandeling --
+\stopmessages
+
+\startmessages english library: handlings
+ title: handling
+ 1: font handling --
+ 2: font handling -- is loaded
+ 3: unknown font handling --
+\stopmessages
+
+\startmessages german library: handlings % to do
+ title: handling
+ 1: Font Verarbeitung --
+ 2: Font Verarbeitung -- ist geladen
+ 3: unknown font handling --
+\stopmessages
+
+\startmessages czech library: handlings % to do
+ title: handling
+ 1: font handling --
+ 2: font handling -- is loaded
+ 3: unknown font handling --
+\stopmessages
+
+\startmessages italian library: handlings % to do
+ title: handling
+ 1: font handling --
+ 2: font handling -- is loaded
+ 3: unknown font handling --
+\stopmessages
+
+\startmessages norwegian library: handlings % to do
+ title: handling
+ 1: font handling --
+ 2: font handling -- is loaded
+ 3: unknown font handling --
+\stopmessages
+
+\startmessages romanian library: handlings % to do
+ title: handling
+ 1: font handling --
+ 2: font handling -- is loaded
+ 3: unknown font handling --
+\stopmessages
+
+\startmessages french library: handlings
+ title: manipulation
+ 1: manipulation -- de police
+ 2: la manipulation -- de police est chargée
+ 3: manipulation -- inconnue de police
+\stopmessages
+
+\newif\iftracefonthandling % \tracefonthandlingtrue
+
+\newif\ifskiphandlingdef \skiphandlingdeffalse
+
+\newtoks\everyenablefonthandling
+
+% much in common with hz/protruding defs
+% todo: fix others
+
+\let\normalchar\char % also done in enco-ini
+
+\def\dosetsomehandling#1#2#3 #4 % no define since directly set
+ {\ifskiphandlingdef \else
+ \doifnumberelse{\string#2}
+ {#1{#2#3}{#4}}
+ {\doifelsenothing{#3}
+ {#1{`#2}{#4}}
+ {\let\char\empty
+ \doifnumberelse{\csname#2#3\endcsname}{#1{\csname#2#3\endcsname}{#4}}\donothing
+ \let\char\normalchar}}%
+ \fi}
+
+\def\dosetpairhandling#1#2#3 #4 #5 % no define since directly set
+ {\ifskiphandlingdef \else
+ \doifnumberelse{\string#2}
+ {#1{#2#3}{#4}{#5}}
+ {\doifelsenothing{#3}
+ {#1{`#2}{#4}{#5}}
+ {\let\char\empty
+ \doifnumberelse{\csname#2#3\endcsname}{#1{\csname#2#3\endcsname}{#4}{#5}}\donothing
+ \let\char\normalchar}}%
+ \fi}
+
+% \def\dosettriplethandling#1#2#3 #4 #5 #6 % no define since directly set
+% {\ifskiphandlingdef \else
+% \doifnumberelse{\string#2}
+% {#1{#2#3}{#4}{#5}{#6}}
+% {\doifelsenothing{#3}
+% {#1{`#2}{#4}{#5}{#6}}
+% {\let\char\empty
+% \doifnumberelse{\csname#2#3\endcsname}{#1{\csname#2#3\endcsname}{#4}{#5}{#6}}\donothing
+% \let\char\normalchar}}%
+% \fi}
+
+\def\dosetquartethandling#1#2#3 #4 #5 #6 #7 % no define since directly set
+ {\ifskiphandlingdef \else
+ \doifnumberelse{\string#2}
+ {#1{#2#3}{#4}{#5}{#6}{#7}}
+ {\doifelsenothing{#3}
+ {#1{`#2}{#4}{#5}{#6}{#7}}
+ {\let\char\empty
+ \doifnumberelse{\csname#2#3\endcsname}{#1{\csname#2#3\endcsname}{#4}{#5}{#6}{#7}}\donothing
+ \let\char\normalchar}}%
+ \fi}
+
+
+% \def\doinhsomehandling#1#2 #3 %
+% {\ifskiphandlingdef \else
+% \let\char\empty
+% \doifnumberelse{\csname#2\endcsname}{#1{\csname#2\endcsname}{`#3}}\donothing
+% \let\char\normalchar
+% \fi}
+
+\def\doinhsomehandling#1#2#3 #4 % to be checked
+ {\ifskiphandlingdef \else
+ \if#3\relax\relax
+ #1{`#2}{`#4}%
+ \else
+ \let\char\empty
+ \doifnumberelse{\csname#2#3\endcsname}{#1{\csname#2#3\endcsname}{`#4}}\donothing
+ \let\char\normalchar
+ \fi
+ \fi}
+
+% adjustspacing
+
+\newdimen\adjustdimen \let\handledfont\font
+
+\ifx\undefined\pdfadjustspacing % we don't use pdftex
+
+ \let\enableadjusting \relax
+ \let\disableadjusting \relax
+ \let\setadjusting \gobbletwoarguments
+
+ \def\defineadjustfactor #1 #2 {}
+ \def\inheritadjustfactor #1 #2 {}
+
+ \let\setfontadjusting \gobbleoneargument
+
+\else
+
+ \def\enableadjusting {\pdfadjustspacing\plustwo}
+ \def\disableadjusting {\pdfadjustspacing\zerocount}
+
+ \appendtoks \disableadjusting \to \everyforgetall % Here or not here?
+
+ \def\dododefineadjustfactor#1#2%
+ {\adjustdimen#2pt\multiply\adjustdimen\plusthousand\divide\adjustdimen\maxcard\relax
+ \efcode\handledfont#1\adjustdimen}
+
+ \beginETEX
+
+ \def\dododefineadjustfactor#1#2%
+% {\efcode\handledfont#1\dimexpr#2pt*\plusthousand/\maxcard\relax}
+ {\efcode\handledfont#1\dimexpr#2\onepoint*\plusthousand/\maxcard\relax}
+
+ \endETEX
+
+ \def\dodoinheritadjustfactor#1#2%
+ {\efcode\handledfont#1\efcode\handledfont#2\relax}
+
+ \def\defineadjustfactor#1 #2 %
+ {\setfonttoks
+ \let\inherithandling\inheritadjustfactor
+ \appendtoks\dosetsomehandling\dododefineadjustfactor#1 #2 \to\fonttoks}
+
+ \def\inheritadjustfactor#1 #2 %
+ {\setfonttoks
+ \appendtoks\doinhsomehandling\dodoinheritadjustfactor#1 #2 \to\fonttoks}
+
+ \ifnum\pdftexversion<120
+ \let\@@pdfexpandbonus\plusthousand
+ \else
+ \def\@@pdfexpandbonus{autoexpand}%
+ \fi
+
+ \def\setfontadjusting#1%
+ {\doifvalue{\@fha@\@fha@#1\c!type}\v!hz{\dosetfontadjusting{#1}}}
+
+ \def\dosetfontadjusting#1%
+ {\iftracefonthandling\showfontadjusting{#1}\fi
+ \pdffontexpand\handledfont
+ \csname\@fha@\@fha@#1\c!max \endcsname\space
+ \csname\@fha@\@fha@#1\c!min \endcsname\space
+ \csname\@fha@\@fha@#1\c!step\endcsname\space
+ \@@pdfexpandbonus\relax}
+
+ \def\showfontadjusting#1%
+ {\writestatus\m!handlings{[adjust]\space#1\space
+ \csname\@fha@\@fha@#1\c!max \endcsname/%
+ \csname\@fha@\@fha@#1\c!min \endcsname/%
+ \csname\@fha@\@fha@#1\c!step\endcsname\space
+ \fontname\handledfont}}
+\fi
+
+\ifx\setfontadjusting\gobbleoneargument \else
+ \appendtoks
+ \setfontadjusting\askedfonthandling
+ \to \everyenablefonthandling
+\fi
+
+% protruding
+
+\newif\ifembasedprotruding \embasedprotrudingfalse
+
+\newdimen\lproddimen \newdimen\rproddimen \let\handledfont\font
+
+\ifx\undefined\pdfprotrudechars % we don't use pdftex
+
+ \let\enableprotruding \relax
+ \let\disableprotruding \relax
+ \let\setprotrudingfactor \gobbleoneargument
+
+ \def\defineprotrudefactor #1 #2 #3 {}
+ \def\inheritprotrudefactor #1 #2 {}
+
+\else
+
+ \def\enableprotruding {\pdfprotrudechars\plustwo}
+ \def\disableprotruding{\pdfprotrudechars\zerocount}
+
+ \appendtoks \disableprotruding \to \everyforgetall % Here or not here?
+
+ \lproddimen1000\onepoint \divide\lproddimen\maxcard
+ \rproddimen1000\onepoint \divide\rproddimen\maxcard
+
+ \def\setprotrudingfactor#1%
+ {\doifvalue{\@fha@\@fha@#1\c!type}\v!hanging{\dosetprotrudingfactor{#1}}}
+
+ \beginTEX
+
+ \def\dosetprotrudingfactor#1% no \onepoint instead of pt
+ {\lproddimen\csname\@fha@\@fha@#1\c!left\endcsname\s!pt
+ \multiply\lproddimen\plusthousand\divide\lproddimen\maxcard\relax
+ \rproddimen\csname\@fha@\@fha@#1\c!right\endcsname\s!pt
+ \multiply\rproddimen\plusthousand\divide\rproddimen\maxcard\relax
+ \iftracefonthandling\showprotrudingfactor{#1}\fi}
+
+ \endTEX
+
+ \beginETEX \dimexpr
+
+ \def\dosetprotrudingfactor#1% no \onepoint instead of pt
+ {\lproddimen\dimexpr\csname\@fha@\@fha@#1\c!left \endcsname\onepoint*\plusthousand/\maxcard\relax
+ \rproddimen\dimexpr\csname\@fha@\@fha@#1\c!right\endcsname\onepoint*\plusthousand/\maxcard\relax
+ \iftracefonthandling\showprotrudingfactor{#1}\fi}
+
+ \endETEX
+
+ \def\showprotrudingfactor#1%
+ {\writestatus\m!handlings{[protrude]\space#1\space
+ \csname\@fha@\@fha@#1\c!left \endcsname\space
+ \csname\@fha@\@fha@#1\c!right\endcsname\space
+ \fontname\handledfont}}
+
+ \beginETEX \fontcharwd
+
+ % division before multiplication, else overflow with "sa>5"
+
+ \newdimen\protrudethreshold \protrudethreshold=36pt
+
+ % keep this
+
+ % \def\redodefineprotrudefactor#1%
+ % {\ifdim\emwidth>\protrudethreshold
+ % \divide\scratchdimen\emwidth
+ % \multiply\scratchdimen\fontcharwd\handledfont#1\relax
+ % \else
+ % \multiply\scratchdimen\fontcharwd\handledfont#1\relax
+ % \divide\scratchdimen\emwidth
+ % \fi}
+
+ % \def\dododefineprotrudefactor#1#2#3%
+ % {\scratchdimen#2\lproddimen
+ % \ifembasedprotruding \else
+ % \redodefineprotrudefactor{#1}%
+ % \fi
+ % \lpcode\handledfont#1\scratchdimen
+ % \scratchdimen#3\rproddimen
+ % \ifembasedprotruding \else
+ % \redodefineprotrudefactor{#1}%
+ % \fi
+ % \rpcode\handledfont#1\scratchdimen}
+
+ \def\dododefineprotrudefactor#1#2#3%
+ {\lpcode\handledfont#1\dimexpr#2\lproddimen
+ \ifembasedprotruding \else
+ \ifdim\emwidth>\protrudethreshold
+ /\emwidth*\fontcharwd\handledfont#1%
+ \else
+ *\fontcharwd\handledfont#1/\emwidth
+ \fi
+ \fi
+ \relax
+ \rpcode\handledfont#1\dimexpr#3\rproddimen
+ \ifembasedprotruding \else
+ \ifdim\emwidth>\protrudethreshold
+ /\emwidth*\fontcharwd\handledfont#1%
+ \else
+ *\fontcharwd\handledfont#1/\emwidth
+ \fi
+ \fi
+ \relax}
+
+ \endETEX
+
+ \beginTEX
+
+ \ifx\undefined\charbox \newbox\charbox \fi
+
+ \def\protrudethreshold{36\onepoint}
+
+ \def\redodefineprotrudefactor
+ {\ifdim\emwidth>\protrudethreshold
+ \divide\scratchdimen\emwidth
+ \multiply\scratchdimen\wd\charbox
+ \else
+ \multiply\scratchdimen\wd\charbox
+ \divide\scratchdimen\emwidth
+ \fi}
+
+ \def\dododefineprotrudefactor#1#2#3%
+ {\setbox\charbox{\handledfont\char#1}% ! yet untested !
+ \scratchdimen#2\lproddimen
+ \ifembasedprotruding \else
+ \redodefineprotrudefactor
+ \fi
+ \lpcode\handledfont#1\scratchdimen
+ \scratchdimen#3\rproddimen
+ \ifembasedprotruding \else
+ \redodefineprotrudefactor
+ \fi
+ \rpcode\handledfont#1\scratchdimen}
+
+ \endTEX
+
+ \def\dodoinheritprotrudefactor#1#2%
+ {\lpcode\handledfont#1\lpcode\handledfont#2\relax
+ \rpcode\handledfont#1\rpcode\handledfont#2\relax}
+
+ \def\defineprotrudefactor#1 #2 #3 %
+ {\setfonttoks
+ \let\inherithandling\inheritprotrudefactor
+ \appendtoks\dosetpairhandling\dododefineprotrudefactor#1 #2 #3 \to\fonttoks}
+
+ \def\inheritprotrudefactor#1 #2 %
+ {\setfonttoks
+ \appendtoks\doinhsomehandling\dodoinheritprotrudefactor#1 #2 \to\fonttoks}
+
+\fi
+
+\ifx\setprotrudingfactor\gobbleoneargument \else
+ \appendtoks
+ \setprotrudingfactor\askedfonthandling
+ \to \everyenablefonthandling
+\fi
+
+% Basic support for a new pdftex feature: space factors
+%
+% \knbccode -- kern before char code
+% \knbscode -- kern before space code
+% \stbscode -- stretch before space code
+% \shbscode -- shrink before space code
+%
+% Setting \knsbcode\font`\.=200 means that if a period sits before
+% a interword space (glue), then the interword glue will be increased
+% by an amount of 1em*200/1000, i.e. the value is given in thousandths
+% of an em. (HTT)
+
+\newdimen\spfacdimen
+
+\ifx\undefined\pdfadjustinterwordglue % we don't use pdftex
+
+ \let\enablespacehandling \relax
+ \let\disablespacehandling \relax
+ \let\enablekernhandling \relax
+ \let\disablekernhandling \relax
+
+ \let\setspacehandling \gobbleoneargument
+
+ \def\definespacefactor #1 #2 #3 #4 #5 {}
+ \def\inheritspacefactor #1 #2 {}
+
+\else
+
+ \def\enablespacehandling {\pdfadjustinterwordglue\plusone }
+ \def\disablespacehandling{\pdfadjustinterwordglue\minusone}
+ \def\enablekernhandling {\pdfprependkern \plusone }
+ \def\disablekernhandling {\pdfprependkern \minusone}
+
+ \appendtoks \disablespacehandling \to \everyforgetall % Here or not here?
+
+ \def\dosetspacehandling#1%
+ {\spfacdimen\csname\@fha@\@fha@#1\c!factor\endcsname\s!pt
+ \multiply\spfacdimen\plusthousand\divide\spfacdimen\maxcard\relax}
+
+ \def\setspacehandling#1%
+ {\doifvalue{\@fha@\@fha@#1\c!type}\v!spacing{\dosetspacehandling{#1}}}
+
+ \def\dododefinespacefactor#1#2#3#4#5%
+ {\sfcode#1\plusthousand
+ \knbccode\handledfont#1\dimexpr#2\spfacdimen\relax
+ \knbscode\handledfont#1\dimexpr#3\spfacdimen\relax
+ \stbscode\handledfont#1\dimexpr#4\spfacdimen\relax
+ \shbscode\handledfont#1\dimexpr#5\spfacdimen\relax}
+
+ \def\dodoinheritspacefactor#1#2%
+ {\sfcode#1\plusthousand
+ \knbccode\handledfont#1\knbccode\handledfont#2\relax
+ \knbscode\handledfont#1\knbscode\handledfont#2\relax
+ \stbscode\handledfont#1\stbscode\handledfont#2\relax
+ \shbscode\handledfont#1\shbscode\handledfont#2\relax}
+
+ \def\definespacefactor#1 #2 #3 #4 #5 %
+ {\setfonttoks
+ \let\inherithandling\inheritspacefactor
+ \appendtoks\dosetquartethandling\dododefinespacefactor#1 #2 #3 #4 #5 \to\fonttoks}
+
+ \def\inheritspacefactor#1 #2 %
+ {\setfonttoks
+ \appendtoks\doinhsomehandling\dodoinheritspacefactor#1 #2 \to\fonttoks}
+
+\fi
+
+\ifx\setspacehandling\gobbleoneargument \else
+ \appendtoks
+ \setspacehandling\askedfonthandling
+ \to \everyenablefonthandling
+\fi
+
+% font attributes
+
+\let\notagcode\minusone
+
+\ifx\tagcode\undefined
+
+ \def\settagcode #1 #2 {}
+
+\else
+
+ \def\dodosettagcode#1#2%
+ {\tagcode\handledfont#1 #2\relax}
+
+ \def\settagcode#1 #2 %
+ {\setfonttoks
+ \appendtoks\dosetsomehandling\dodosettagcode#1 #2 \to\fonttoks}
+
+\fi
+
+% hook into font mechanism
+
+\let\fonthandling\empty
+
+\beginTEX
+
+ \def\startfonthandling[#1]%
+ {\def\fonthandling{#1}%
+ \expandafter\ifx\csname\@fha@\fonthandling\endcsname\relax
+ \expandafter\newtoks\csname\@fha@\fonthandling\endcsname
+ \fi
+ \setfonttoks}
+
+\endTEX
+
+\beginETEX
+
+ \def\startfonthandling[#1]%
+ {\def\fonthandling{#1}%
+ \ifcsname\@fha@\fonthandling\endcsname\else
+ \expandafter\newtoks\csname\@fha@\fonthandling\endcsname
+ \fi
+ \setfonttoks}
+
+\endETEX
+
+\def\stopfonthandling
+ {\let\fonthandling\empty}
+
+\def\setfonttoks
+ {\@EA\let\@EA\fonttoks\csname\@fha@\fonthandling\endcsname}
+
+\def\definefonthandling
+ {\dotripleempty\dodefinefonthandling}
+
+\def\dodefinefonthandling[#1][#2][#3]%
+ {\ifthirdargument
+ \setvalue{\@fha@\@fha@#1}{#2}%
+ \getparameters
+ [\@fha@\@fha@#1]
+ [\c!type=\v!hanging,%
+ \c!left=1,\c!right=1,%
+ \c!min=20,\c!max=20,\c!step=5,%
+ \c!factor=1,%
+ #3]%
+ \else
+ \setvalue{\@fha@\@fha@\@fha@#1}{#2}%
+ \fi}
+
+\def\setupfonthandling
+ {\dodoubleempty\dosetupfonthandling}
+
+\def\dosetupfonthandling[#1][#2]%
+ {\getparameters[\@fha@\@fha@#1][#2]}
+
+\def\enablehandling
+ {\dodoubleempty\doenablehandling}
+
+\def\doenablehandling[#1][#2]% handling / symbolic fontname
+ {\fastenablehandling{#1}{#2}} % for the moment the same as:
+
+\beginTEX
+
+\def\fastenablehandling#1#2%
+ {\edef\askedfonthandling{#1}%
+ \edef\filoffonthandling{#2}%
+ \@EA\ifx\csname\@fha@\@fha@\@fha@\askedfonthandling\endcsname\relax
+ \@EA\ifx\csname\@fha@\@fha@\askedfonthandling\endcsname\relax
+ \@EAEAEA\nofastenablehandling
+ \else
+ \@EAEAEA\dofastenablehandling
+ \fi
+ \else
+ \@EA\redofastenablehandling
+ \fi}
+
+\def\xfastenablehandling#1%
+ {\edef\askedfonthandling{#1}%
+ \@EA\ifx\csname\@fha@\@fha@\askedfonthandling\endcsname
+ \@EA\nofastenablehandling
+ \else
+ \@EA\dofastenablehandling
+ \fi}
+
+\endTEX
+
+\beginETEX \ifcsname
+
+\def\fastenablehandling#1#2% also gets #2 passed
+ {\edef\askedfonthandling{#1}%
+ \edef\filoffonthandling{#2}%
+ \ifcsname\@fha@\@fha@\@fha@\askedfonthandling\endcsname
+ \@EA\redofastenablehandling
+ \else\ifcsname\@fha@\@fha@\askedfonthandling\endcsname
+ \@EAEAEA\dofastenablehandling
+ \else
+ \@EAEAEA\nofastenablehandling
+ \fi\fi}
+
+\def\xfastenablehandling#1%
+ {\edef\askedfonthandling{#1}%
+ \ifcsname\@fha@\@fha@\askedfonthandling\endcsname
+ \@EA\dofastenablehandling
+ \else
+ \@EA\nofastenablehandling
+ \fi}
+
+\endETEX
+
+\def\redofastenablehandling
+ {\startdirectcharacters
+ \edef\fonthandling{\csname\@fha@\@fha@\@fha@\askedfonthandling\endcsname}%
+ \rawprocesscommacommand[\fonthandling]\xfastenablehandling
+ \stopdirectcharacters}
+
+\def\dofastenablehandling
+ {\startdirectcharacters
+ \the\everyenablefonthandling
+ \edef\fonthandling{\csname\@fha@\@fha@\askedfonthandling\endcsname}%
+ \checkfonthandling\filoffonthandling
+ \rawprocesscommacommand[\fonthandling]\dodoenablehandling
+ \registerfonthandling\filoffonthandling
+ \stopdirectcharacters}
+
+\def\nofastenablehandling
+ {\the\everyenablefonthandling
+ \let\fonthandling\askedfonthandling
+ \dodoenablehandling\fonthandling}
+
+\beginTEX
+
+\def\dodoenablehandling#1%
+ {\@EA\ifx\csname\@fha@#1\endcsname\relax\else
+ \the\csname\@fha@#1\endcsname
+ \fi}
+
+\endTEX
+
+\beginETEX \ifcsname
+
+\def\dodoenablehandling#1%
+ {\ifcsname\@fha@#1\endcsname
+ \the\csname\@fha@#1\endcsname
+ \fi}
+
+\endETEX
+
+%D We must not use \type {\purefontname} here (was a bug)!
+
+% not robust as long as tex reuses definitions internally
+%
+% \def\checkfonthandling#1% we need a fast compare
+% {\doifelsevalue{#1\s!handling\c!file}{\fontname\font}
+% \skiphandlingdeftrue\skiphandlingdeffalse}
+%
+% \def\registerfonthandling#1%
+% {\@EA\xdef\csname#1\s!handling\c!file\endcsname{\fontname\font}}
+
+\def\checkfonthandling #1{\skiphandlingdeffalse}
+\let\registerfonthandling \gobbleoneargument
+
+%D This one makes live easier (less definitions):
+
+\def\inherithandling #1 #2 %
+ {\inheritprotrudefactor #1 #2 %
+ \inheritadjustfactor #1 #2 }
+
+%D \macros
+%D {usehandling}
+%D
+%D Handling definitions are collected in dedicated files and
+%D loaded only once:
+%D
+%D % \showsetup{usehandling}
+
+\def\dousehandling#1% is the same as encoding
+ {\doifundefined{\c!file\f!handlingprefix#1}%
+ {\letvalueempty{\c!file\f!handlingprefix#1}%
+ \makeshortfilename[\truefilename{\f!handlingprefix#1}]%
+ \startreadingfile
+ \readsysfile\shortfilename
+ {\showmessage\m!handlings2{#1}}
+ {\showmessage\m!handlings3{#1}}%
+ \stopreadingfile}}
+
+\def\usehandling[#1]%
+ {\processcommalist[#1]\dousehandling}
+
+%D New:
+
+\def\overloadcharacter#1 #2 %
+ {\setfonttoks
+ \doifnumberelse{\string#2}
+ {\appendtoks\dooverloadcharacter{#1}{\char#2 }\to\fonttoks}
+ {\appendtoks\dooverloadcharacter{#1}{#2}\to\fonttoks}}
+
+\def\dooverloadcharacter#1%
+ {\setvalue{\characterencoding\string#1}}
+
+%D Let's now see if this macro works:
+
+% \setupfonthandling
+% [\s!default]
+% [\c!links=1,\c!rechts=1,\c!min=20,\c!max=20,\c!stap=5]
+
+% Beware of fonttoks:
+%
+% \startfonthandling[morespacing]
+% \appendtoks
+% \fontdimen2\handledfont=.50em
+% \fontdimen3\handledfont=.25em
+% \fontdimen4\handledfont=.25em
+% \to \fonttoks
+% \stopfonthandling
+%
+% \definefonthandling [morespacing] [morespacing]
+%
+% \definefontsynonym[xtexnansi-lmr7][texnansi-lmr7][handling=morespacing]
+% \definefont[crap][texnansi-lmr7]
+%
+% \crap \the\fontdimen2\font, \the\fontdimen3\font, \the\fontdimen4\font
+
+\usehandling [def]
+
+\protect \endinput
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-07 22:43:38 +0000