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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% HyAcc-CM.tex is a system for European language hyphenation
%%% using the original CM fonts. It is based on an earlier
%%% system given by Jacques D\'esarm\'enien
%%% for French in his fePlain format of the mid 1980's.
%%%
%%% AIM:
%%% Permit automatic TeX hyphenation, under the
%%% original Computer Modern font norm, in words containing
%%% composite accented characters;
%%% more precisely, allow those hyphenations
%%% that occur far from the accents. Without
%%% HyAcc-CM.tex, hyphenation is blocked near and after the
%%% first accented character.
%%%
%%% SETUP:
%%% \input at some point after Plain has been
%%% compiled with appropriate hyphenation patterns for the
%%% languages to be used. See HyMaster.tex for a typical
%%% example.
%%%
%%% COMMANDS:
%%% --- \JDaccents a modified international version of
%%% J. Desarmenien's e-accute accent in his "fePlain" format;
%%% hyphenation except near accents. This is default.
%%% --- \GFaccents similar to \JDaccents, but slightly
%%% fragile (for LaTeX); it avoids a dot matrix (low
%%% resolution) printer bug afflicting \JDaccents. From
%%% German.sty corrected for French and international use.
%%% --- \DKaccents gives Knuth's regime under which no
%%% hyphenation is allowed beyond first accent in word with
%%% accent.
%%%
%%% PECULIARITY:
%%% By default, non-zero lc and uc codes for the
%%% sporadic characters \ae, \AE, \oe, \OE,
%%% \o, \O, \i, \j following an oecumenical policy
%%% of M. Ferguson and D. Taupin.
%%% --- \noMLcodes makes them zero
%%% (Knuth's Plain setting) and
%%% --- \MLcodes returns to our default.
%%%
%%% RESTRICTIONS:
%%% For fonts of the original Computer Modern
%%% norm and NOT not the Cork norm.
%%% Do not use prose accents in math mode.
%%%
%%% VIRTUES:
%%% decent hyphenation without special European fonts;
%%% compatibility with Knuth's documentation.%%XX
%%% Temporary 100% return to Knuth's regime is possible
%%% via \DKaccents\noMLcodes
%%%
%%% HISTORY AND PROGRAMMER DOCUMENTATION see HyAcc-CM.doc.
%%%
%%% POSTING: by Daniel Flipo <flipo@frcitl81.bitnet> and
%%% Laurent Siebenmannn <siebenmann@LALCLS.IN2P3.FR> ftp
%%% rsovax.ups.circe.fr [130.84.128.100] logon: anonymous,
%%% password: your name.
%%%
%%% VERSION : August, 1992
%%% Modifications: Polish \ogonek added,
%%% \box0 replaced by \box\hy@accbox
\def\Msg{\immediate\write16}
%% Prevent this file from being loaded twice!
\let\this\relax
\ifx\JDaccents\undefined\relax
\else\Msg{}%
\Msg{ *** \string\JDaccents\space
already defined.}%
\let\this\endinput
\fi
\this
%% If \allowhyphens is already defined
%% (by German.tex for instance), just complain.
\ifx\undefined\allowhyphens
\let\this\relax
\else
\Msg{}%
\message{ *** \string\allowhyphens\space
(from German.tex) already defined.}%
\let\this\endinput
\fi
\this
%%XX
\def\W@{\immediate\write16}%
\W@{ *************************************************** }
\W@{ HyAcc-CM INTERNATIONAL ACCENTUATION MECHANISM FOR CM FONTS}
\W@{ permitting decent hyphenation of words with accents.}
\W@{ Version of Aug 1992.}
\W@{ Updates: ftp rsovax.ups.circe.fr [130.84.128.100].}
\W@{ *************************************************** }
\chardef\JDCatAt=\the\catcode`\@
\catcode`\@=11
\catcode`\~=12 %% was 13
\newbox\hy@accbox
\def\hyaccent#1#2{{\accent#1 #2}\@Allowhyphens{#2}}%
%% for \JDaccents
\def\@@allowhyphens{\penalty\@M\hskip\z@skip}%% for sporadics
\def\@@Allowhyphens#1{\setbox\hy@accbox\hbox{#1}%% \hyaccent
\penalty\@M\hskip-\wd\hy@accbox #1}%
%% for \GFaccents
\def\preLetterSkip@{\ifcat
a\next\relax\penalty\@M\hskip\z@\fi} %XXspacing
\def\@@@Allowhyphens#1{\noexpand
\futurelet\next\preLetterSkip@}
\let\next\relax %% avoids some mysterious errormessages
%% in case you uncautiously use %%XX
%% accents in messages, %%XX
%% \GFaccents\message{Imb\'ecile!}
%%% Composite accents for CM fonts
%% TeXbook p. 52
\def\DoCMAccents{%% cf \dospecials of Plain
\do`"12..%% grave
\do'"13..%% accute
\do^"5E..%% hat
\do""7F..%% umlaut
\do~"7E..%% tilde
\do="16..%% macron (bar over)
\do."5F..%% dot over
\do u"15..%% breve
\do v"14..%% check
\do H"7D..%% long umlaut
%%\t tie absent see below
}
\def\CheckPeriod#1{\if#1.\else
\errmessage{ !!! Error in DoAccChars data}\fi}
\def\DoAccent#1#2.#3{\CheckPeriod{#3}%
\expandafter
\def\csname #1\endcsname##1{%
\relax\hyaccent{#2}{##1}}%
}
\let\do\DoAccent
\DoCMAccents %% Sets up principal new accent macros
%%% Residual accents : \c,\aa,\AA,\l,\L
\def\oldCedilla#1{\setbox\hy@accbox\hbox{#1}%
\ifdim\ht\hy@accbox=1ex\accent24 #1%
\else{\ooalign{\unhbox\hy@accbox\crcr\hidewidth\char24\hidewidth}}%
\fi}
\def\c#1{{\oldCedilla#1}\@Allowhyphens{#1}}
\def\L{\char32 L}
\def\l{\char32 l}
\def\AA{\leavevmode\setbox\hy@accbox\hbox{h}%
\dimen@\ht\hy@accbox\advance\dimen@-1ex%
\rlap{\raise.67\dimen@\hbox{\char'27}}\@allowhyphens A}
\def\aa{\hyaccent{"17}{a}}
\def\oldUnderBar#1{\oalign{#1\crcr\hidewidth
\vbox to.2ex{\hbox{\char22}\vss}\hidewidth}}
\def\b#1{\oldUnderBar#1\@Allowhyphens{#1}}% underbar
\def\d#1{\oalign{#1\crcr
\hidewidth.\hidewidth}\@Allowhyphens{#1}}%underdot
\def\t#1{{\edef\next{\the\font}\the\textfont1\accent
"7F\next#1}\@Allowhyphens{#1}}
%% tie; \textfont1 is cmmi
\def\oldOgonek#1{\setbox\hy@accbox=\hbox{`}\ooalign{\hidewidth
\lower\ht\hy@accbox\copy\hy@accbox%%\hidewidth
\crcr#1\crcr}}
\def\ogonek#1{{\oldOgonek#1}\@Allowhyphens{#1}}% ogonek
%%% Sporadic characters in cm
%%% Plain assigns codes 0; Ferguson and Taupin as follows
%%% see article of Taupin (to appear)
%%% For better or worse, this permits hyphenation of
%%% words containing these characters.
%%% More importantly it is a policy that
%%% is language-independant.
%%% But catcodes are left 12 and not 11, to prevent use
%%% in macro names when directly typed.
\def\SetULCodes#1#2{%
\uccode#1=#1\lccode#1=#2
\uccode#2=#1\lccode#2=#2
}
\def\KillULCodes#1#2{%
\uccode#1=0\lccode#1=0
\uccode#2=0\lccode#2=0
}
\def\MLcodes{%
\SetULCodes{"19}{"19} %% \ss (degenerate case)
\SetULCodes{"1D}{"1A} %% \AE,\ae
\SetULCodes{"1E}{"1B} %% \OE,\oe
\SetULCodes{"1F}{"1C} %% \O, \o
\lccode"10="10 %% \i
}
\def\noMLcodes{%
\KillULCodes{"19}{"19} %% \ss (degenerate case)
\KillULCodes{"1D}{"1A} %% \AE,\ae
\KillULCodes{"1E}{"1B} %% \OE,\oe
\KillULCodes{"1F}{"1C} %% \O, \o
\lccode"10=0 %% \i
}
%%% For LaTeX 2.xx necessary change for \parbox macro
\ifx\documentstyle\undefined
\else %% if LaTeX IS loaded, save our new definitions of
%% \' \` and \= for \parbox macro (LaTeX 2.xx)
\let\@acci=\'
\let\@accii=\`
\let\@acciii=\=
\fi
%% JD for Jacques Desarmenien
\def\JDaccents{\let\@Allowhyphens\@@Allowhyphens
\let\@allowhyphens\@@allowhyphens}
%% GF for German French
\def\GFaccents{\let\@Allowhyphens\@@@Allowhyphens
\let\@allowhyphens\@@allowhyphens}
%% DK for Don Knuth
\def\DKaccents{\def\@Allowhyphens##1{\relax}%
\let\@allowhyphens\relax}
%% Back to normal catcodes
\catcode`\~=13
\catcode`\@=\JDCatAt
\MLcodes\JDaccents %% defaults
\endinput
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