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%D \module
%D [ file=typo-cap,
%D version=2009.03.27, % code moved from core-spa.mkiv
%D title=\CONTEXT\ Typesetting Macros,
%D subtitle=Capping,
%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 / Caps}
\unprotect
\registerctxluafile{typo-cap}{1.001}
\definesystemattribute[case][public]
%D \macros
%D {Word, Words, WORD, WORDS}
%D
%D This is probably not the right place to present the next set
%D of macros.
%D
%D \starttyping
%D \Word {far too many words}
%D \Words{far too many words}
%D \WORD {far too many words}
%D \WORDS{far too many words}
%D \stoptyping
%D
%D \typebuffer
%D
%D This calls result in:
%D
%D \startlines
%D \getbuffer
%D \stoplines
%D
%D \showsetup{Word}
%D \showsetup{Words}
%D \showsetup{WORD}
%D \showsetup{WORDS}
% test \WORD{test TEST \TeX} test
% test \word{test TEST \TeX} test
% test \Word{test TEST \TeX} test
\unexpanded\def\setcharactercasing[#1]%
{\ctxcommand{setcharactercasing("#1")}}
% todo: names casings
\unexpanded\def\WORD {\groupedcommand{\setcharactercasing[\v!WORD ]}{}}
\unexpanded\def\word {\groupedcommand{\setcharactercasing[\v!word ]}{}}
\unexpanded\def\Word {\groupedcommand{\setcharactercasing[\v!Word ]}{}}
\unexpanded\def\Words{\groupedcommand{\setcharactercasing[\v!Words]}{}}
% This might become:
%
% \unexpanded\def\WORD {\bgroup\def\g_word{\setcharactercasing[\v!WORD ]}\afterassignment\g_word\let\nexttoken}
% \unexpanded\def\word {\bgroup\def\g_word{\setcharactercasing[\v!word ]}\afterassignment\g_word\let\nexttoken}
% \unexpanded\def\Word {\bgroup\def\g_word{\setcharactercasing[\v!Word ]}\afterassignment\g_word\let\nexttoken}
% \unexpanded\def\Words{\bgroup\def\g_word{\setcharactercasing[\v!Words]}\afterassignment\g_word\let\nexttoken}
%
% so no longer {\Word test} and { } mandate (also later \groupedcommands will go)
\let\WORDS\WORD
\let\words\word
%D \macros
%D {kap,KAP,Kap,Kaps,nokap,userealcaps,usepseudocaps}
%D
%D We already introduced \type{\cap} as way to capitalize
%D words. This command comes in several versions:
%D
%D \startbuffer
%D \cap {let's put on a \cap{cap}}
%D \cap {let's put on a \nocap{cap}}
%D \CAP {let's put on a \\{cap}}
%D \Cap {let's put on a \\{cap}}
%D \Caps{let's put on a cap}
%D \stopbuffer
%D
%D \typebuffer
%D
%D Note the use of \type{\nocap}, \type{\\} and the nested
%D \type{\cap}.
%D
%D \startlines
%D \getbuffer
%D \stoplines
%D
%D These macros show te main reason why we introduced the
%D smaller \type{\tx} and \type{\txx}.
%D
%D \starttyping
%D \cap\romannumerals{1995}
%D \stoptyping
%D
%D This at first sight unusual capitilization is completely
%D legal.
%D
%D \showsetup{smallcapped}
%D \showsetup{notsmallcapped}
%D \showsetup{CAPPED}
%D \showsetup{SmallCapped}
%D \showsetup{SmallCaps}
%D
%D The difference between pseudo and real caps is demonstrated
%D below:
%D
%D \startbuffer
%D \usepseudocaps \cap{Hans Hagen}
%D \userealcaps \cap{Hans Hagen}
%D \stopbuffer
%D
%D \typebuffer
%D
%D \getbuffer
%D
%D The \type {\bgroup} trickery below is needed because of
%D \type {\groupedcommand}.
\let\disablepseudocaps\relax % maybe used elsewhere
\newconditional\c_typo_capitals_pseudo
\unexpanded\def\usepseudocaps{\settrue \c_typo_capitals_pseudo}
\unexpanded\def\userealcaps {\setfalse\c_typo_capitals_pseudo}
\usepseudocaps
% we use char0 as placeholder for the larger font
%
% here we keep the \groupedcommand
\unexpanded\def\pseudosmallcapped{\groupedcommand{\setcharactercasing [\v!WORD ]\signalcharacter\tx}{}} % all upper
\unexpanded\def\pseudoSmallcapped{\groupedcommand{\setcharactercasing [\v!capital]\signalcharacter\tx}{}} % one upper + font
\unexpanded\def\pseudoSmallCapped{\groupedcommand{\setcharactercasing [\v!Capital]\signalcharacter\tx}{}} % some upper + font
\unexpanded\def\realsmallcapped {\groupedcommand{\sc\setcharactercasing[\v!WORD ]}{}} % all lower
\unexpanded\def\realSmallcapped {\groupedcommand{\sc\setcharactercasing[\v!Word ]}{}} % one upper + font
\unexpanded\def\realSmallCapped {\groupedcommand{\sc\setcharactercasing[\v!Words ]}{}} % some upper
\unexpanded\def\typo_capitals_smallcaps
{\ifconditional\c_typo_capitals_pseudo
\expandafter\firstoftwoarguments
\else
\expandafter\secondoftwoarguments
\fi}
\unexpanded\def\smallcapped{\typo_capitals_smallcaps\pseudosmallcapped\realsmallcapped}
\unexpanded\def\Smallcapped{\typo_capitals_smallcaps\pseudoSmallcapped\realSmallcapped}
\unexpanded\def\SmallCapped{\typo_capitals_smallcaps\pseudoSmallCapped\realSmallCapped}
\unexpanded\def\autocap{\ifmmode\expandafter\normalcap\else\expandafter\smallcapped\fi}
\appendtoks
\let\normalcap\cap % mathmode cap
\let\cap\autocap
\to \everydump
\let\kap\cap % for old times sake
\let\Caps\SmallCapped % for old times sake
\let\normalsmallcapped\smallcapped
\let\normalWORD \WORD
\let\normalword \word
%D As suggested by WS:
\unexpanded\def\notsmallcapped{\groupedcommand{\setcharactercasing[\v!word]\signalcharacter}{}}
%D \macros
%D {setupcapitals}
%D
%D By default we use pseudo small caps in titles. This can be
%D set up with:
%D
%D \showsetup{setupcapitals}
\let\normalsmallcapped\smallcapped
\definesystemvariable{kk}
\unexpanded\def\setupcapitals
{\dosingleempty\typo_capitals_setup}
\def\typo_capitals_setup[#1]% todo: don't use grouping just a switch
{\getparameters[\??kk][#1]%
\doifelse\@@kktitle\v!yes
{\definealternativestyle[\v!capital ][\normalsmallcapped][\normalsmallcapped]%
\definealternativestyle[\v!smallcaps][\sc ][\sc ]}
{\definealternativestyle[\v!capital ][\normalsmallcapped][\normalWORD ]%
\definealternativestyle[\v!smallcaps][\sc ][\normalWORD ]}%
\doifelse\@@kksc\v!yes\userealcaps\usepseudocaps}
\let\uppercased\normalWORD
\let\lowercased\normalword
\setupcapitals
[\c!title=\v!yes,
\s!sc=\v!no] % no \c!sc any longer
% \definestartstop is not yet in available at core-spa time
%
% \startrandomized \input tufte \stoprandomized
%
% \definestartstop[randomized][\c!before=\dosetattribute{case}{8},\c!after=]
\unexpanded\def\randomizetext{\groupedcommand{\attribute\caseattribute\pluseight}{}}
\definestartstop[randomized][\c!before=\dosetattribute{case}{8},\c!after=]
\protect \endinput
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