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%D \module
%D [ file=core-ini,
%D version=2003.12.01,
%D title=\CONTEXT\ Core Macros,
%D subtitle=Additional 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 Core Macros / Additional Initialization}
\unprotect
%D We introduce a couple of variables that are used all over \CONTEXT. Alternatively
%D we could define them in each module but as they are part of the bigger picture we
%D prefer to do it here. Ideally we should hav ea proper dependency tree but it might
%D be that we want to make versions with a smaller footprints in which case one would
%D still need to define the token list registers (unless we could do that runtime).
%D \macros
%D {every...}
%D
%D A few every's.
%D Output routine:
\newtoks \everybeforeoutput
\newtoks \everyafteroutput
%D Shipout:
\newtoks \everyshipout
\newtoks \everybeforeshipout
\newtoks \everyaftershipout
\newtoks \everyfirstshipout
\newtoks \everylastshipout
%D End of run:
\newtoks \everybye
\newtoks \everygoodbye
\newtoks \everynotabene
%D Document:
\newtoks \everysetupdocument
\newtoks \everyendoftextbody
\newtoks \everystarttext
\newtoks \everystoptext
%D Purity:
\newtoks \everyforgetall
\newtoks \everycleanupfeatures
\newtoks \everysimplifycommands
\newtoks \everypreroll
\let\simplifiedcommands\everysimplifycommands % backward compatible, will stay as it's used in styles
\newconditional\simplifyingcommands % public
\unexpanded\def\forgetall {\the\everyforgetall}
\unexpanded\def\cleanupfeatures {\the\everycleanupfeatures}
\unexpanded\def\simplifycommands{\the\everysimplifycommands}
\appendtoks
\settrue\simplifyingcommands
\to \everysimplifycommands
\appendtoks
\everypar\emptytoks % pretty important
\to \everyforgetall
%D Page building:
\newtoks \everybeforepagebody
\newtoks \everyafterpagebody
\let\everypagebody\everybeforepagebody % backward compatible, will become obsolete
%D Floats:
\newtoks \everyinsidefloat
%D Exporting:
\newtoks\everyinitializeexport
%D Sectioning:
%newtoks \everyheadstart
%D Par building (experimental, used in xml <p> .. </p>)
\newtoks \everybeginofpar
\newtoks \everyendofpar
%newtoks \everyparflush
\unexpanded\def\bpar{\the\everybeginofpar\ignorespaces} % may interfere with \everypar
\unexpanded\def\epar{\ifhmode\removeunwantedspaces\the\everyendofpar\fi} % test prevents problems with \bpar\epar
%D Lists:
\newtoks \everylistentry
\newtoks \everysavesortkeys
%D Marks:
%newtoks \everymarking
%D Fonts:
\newtoks \everyfont
\newtoks \everyglobalbodyfont
\newtoks \everydefinedfont
\newtoks \everybodyfont
\newtoks \everyfontswitch
\newtoks \everysetupbodyfont
\newtoks \everyswitchtobodyfont
%D Math:
\newtoks \everybeforedisplayformula
\newtoks \everymathematics
\prependtoks \the\everymathematics \to \everymath
\prependtoks \the\everymathematics \to \everydisplay
%D Tables:
%newtoks \everytable % we need to disstinguish kinds
%D State mess:
\newtoks \everypushsomestate
\newtoks \everypopsomestate
\unexpanded\def\pushsomestates{\the\everypushsomestate}
\unexpanded\def\popsomestates {\the\everypopsomestate }
%D More generic (used to be pushcolor etc)
\newtoks\everystarttextproperties
\newtoks\everystoptextproperties
\unexpanded\def\starttextproperties{\the\everystarttextproperties}
\unexpanded\def\stoptextproperties {\the\everystoptextproperties}
%D \macros
%D {trialtypesetting}
%D
%D We disable trial typesetting in the output routine,
%D just to be sure.
\prependtoks
\resettrialtypesetting
\to \everybeforepagebody
%D \macros
%D {ifinpagebody,ifinsidecolumns,ifdoublesided,ifsinglesided}
%D
%D These will become system modes and conditionals
\newif \ifinpagebody
\newif \ifinsidecolumns
\newif \ifdoublesided \doublesidedfalse
\newif \ifsinglesided \singlesidedtrue
\newif \ifinsidefloat
\newif \ifdoingblocks
\newif \ifgridsnapping
\newif \ifexporting
\newconstant\pageduplexmode % 0 single 1 double 2 mix
\newconstant\pagebodymode % 0 not 1 normal pagebody 2 spread
%D \macros
%D {ifproductionrun}
%D
%D This boolean can be used to bypass certain initializations.
\newif\ifproductionrun
\appendtoks
\productionruntrue
\to \everydump
%D \macros
%D {everyboxedcontent, ifboxedcontent,
%D startboxedcontent, stopboxedcontent}
%D
%D This one is relatively new and will be used as a more robust test for inner
%D situations.
\newif \ifboxedcontent
\newtoks\everyboxedcontent
\appendtoks
\boxedcontenttrue
\to \everyboxedcontent
\unexpanded\def\startboxedcontent{\bgroup\the\everyboxedcontent}
\let\stopboxedcontent\egroup
%D We store some original meanings, maybe in \type {math-ini}.
\let\normalat \at
\let\normalin \in
\let\normalfrom \from
%let\normalover \over
\let\normalabout\about
%D This will be implemented way later:
\let\setlayoutcomponentattribute \gobbleoneargument
\let\resetlayoutcomponentattribute\relax
\let\layoutcomponentboxattribute \empty
\protect \endinput
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