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-% \iffalse
-%%
-%% (C) Copyright 1999-2000 Frank Mittelbach, David Carlisle, Chris Rowley
-%% All rights reserved.
-%%
-%% Not for general distribution. In its present form it is not allowed
-%% to put this package onto CD or an archive without consulting the
-%% the authors.
-%%
-% \fi
-%
-
-% \begin{macrocode}
-\def\@tempa#1: #2.dtx,v #3 #4 #5 #6 #7${
- \ProvidesPackage{#2}[#4 #3 #5 #6]}
-\@tempa$Id: xo-page.dtx,v 1.34 2000/08/11 07:14:27 latex3 Exp $
-% \end{macrocode}
-%
-%
-% Ignore white space in this package.
-% \begin{macrocode}
-\IgnoreWhiteSpace
-% \end{macrocode}
-%
-%
-%
-% \subsection{Footnote setup}
-%
-% \begin{macro}{\initialise@footins@action}
-% The |\initialise@footins@action| is a hook to add code to the
-% page initialisation phase related to the footnote insertions. For
-% example, when all footnotes are accumulated in the last column we
-% need to make footnote insertions invisible when gathering
-% material for the first columns.
-% \begin{macrocode}
-\let\initialise@footins@action\relax
-% \end{macrocode}
-% \end{macro}
-%
-%
-% \begin{macro}{\deal@with@footins@action}
-% The |\deal@with@footins@action| hook is called in the
-% |\grab@column@or| and the |best@column@or| output routine to do
-% something to the accumulated footnote insertions if
-% necessary. I.e., it is called for every column.
-% \begin{macrocode}
-\let\deal@with@footins@action\relax
-% \end{macrocode}
-% \end{macro}
-%
-%
-%
-% \begin{macrocode}
-\DeclareTemplateType{footnotesetup}{0}
-% \end{macrocode}
-%
-%
-%
-%
-% \begin{macrocode}
-\DeclareTemplate{footnotesetup}{std}{0}{
- text-sep =+l \skip\footins,
- max-height =+l \dimen\footins,
- }
- {
-
- \global\skip\footins 10pt plus 5pt
- \global\dimen\footins.7\textheight
-
- \DoParameterAssignments
-
- \let\initialise@footins@action\relax
- \let\deal@with@footins@action\relax
-
- \global\count\footins\@m
-
- }
-% \end{macrocode}
-%
-% \begin{macrocode}
-\DeclareTemplate{footnotesetup}{ftnright}{0}{
- text-sep =+l \rcol@footinsskip,
- max-height =+l \dimen\footins,
- }
- {
-
- \global\rcol@footinsskip 10pt plus 5pt
- \global\dimen\footins\textheight
-
- \DoParameterAssignments
-
- \let\initialise@footins@action\initialise@footins@ftnright
- \let\deal@with@footins@action\deal@with@footins@ftnright
-
- }
-% \end{macrocode}
-%
-%
-% Setting |max-height| as done below has not the desired effect and
-% needs investigation.\footnote{FIX!}
-%
-% \begin{macrocode}
-\DeclareTemplate{footnotesetup}{margin}{0}{
- max-height =+l \dimen\footins,
- }
- {
-
- \global\dimen\footins.7\textheight
-
- \DoParameterAssignments
-
- \let\initialise@footins@action\initialise@footins@margin
- \let\deal@with@footins@action\deal@with@footins@margin
-
-% \end{macrocode}
-% If the footnote do not appear within the columns we have to
-% ensure that the |\insert| does not change the page
-% calculations. This needs changes in two places:
-% \begin{macrocode}
- \global\count\footins\z@
- \global\skip\footins \z@
-
- }
-% \end{macrocode}
-%
-%
-%
-%
-% \subsubsection{Footnote setup ftnright}
-%
-% In this section we provide the code for running all footnotes in the
-% last column.
-%
-% \begin{macro}{\saved@footins}
-%
-% \begin{macrocode}
-\newbox\saved@footins
-% \end{macrocode}
-% \end{macro}
-%
-%
-%
-% \begin{macro}{\rcol@footinsskip}
-% \begin{macrocode}
-\newskip\rcol@footinsskip
-% \end{macrocode}
-% \end{macro}
-%
-%
-%
-%
-%
-% \begin{macro}{\initialise@footins@ftnright}
-% \begin{macrocode}
-\def \initialise@footins@ftnright {
- \global\setbox\saved@footins\box\voidb@x
- \global\skip\footins\z@
- \global\count\footins\z@
- \global\dimen\footins\textheight
-}
-% \end{macrocode}
-% \end{macro}
-%
-%
-%
-%
-%
-% \begin{macro}{\deal@with@footins@ftnright}
-% \begin{macrocode}
-\def \deal@with@footins@ftnright {
-%<*trace>
- \@tracepush{deal@with@footins@ftnright}
-%</trace>
-% \end{macrocode}
-% If we are not in the last column we save any footnote accumulated
-% in |\footins| in a separate |\saved@footins| box. This way any
-% later code that checks |\footins| for constraints will not fire
-% incorrectly.
-% \begin{macrocode}
- \ifnum\curr@col@count<\col@count
-%<*trace>
- \tr@ce{not~ last~ col}
-%</trace>
- \ifvoid\footins
- \else
- \global\setbox\saved@footins
- \vbox{\unvbox\saved@footins
- \unvbox\footins}
- \fi
-% \end{macrocode}
-% If we are in the second last column we have to change the
-% procedure: we now have to return all saved footnotes to the MVL
-% and modify the insertion register values so that from now on
-% footnotes need space in the column.\footnote{Not correctly
-% handled is the case that we have accumulated more than a full
-% column of footnotes before!}
-% \begin{macrocode}
- \count@\col@count
- \advance\count@\m@ne
- \ifnum\curr@col@count=\count@ % cur col = second last col
-%<*trace>
- \tr@ce{second~ last~ col}
-%</trace>
- \global\count\footins\@m
- \global\skip\footins\rcol@footinsskip
- \ifvoid\saved@footins
- \else
- \insert\footins{\unvbox\saved@footins}
- \fi
- \fi
- \fi
-%<*trace>
- \@tracepop{deal@with@footins@ftnright}
-%</trace>
-}
-% \end{macrocode}
-% \end{macro}
-%
-%
-%
-%
-% \begin{macro}{\deal@with@footins@margin}
-% \begin{macrocode}
-\def \deal@with@footins@margin {
-%<*trace>
- \@tracepush{deal@with@footins@margin}
-%</trace>
- \ifvoid\footins
- \else
- \global\setbox\saved@footins
- \vbox{\unvbox\saved@footins
- \unvbox\footins}
- \fi
-%<*trace>
- \@tracepop{deal@with@footins@margin}
-%</trace>
-}
-% \end{macrocode}
-% \end{macro}
-%
-%
-%
-%
-% \begin{macro}{\deal@with@footins@margin}
-% \begin{macrocode}
-\def \initialise@footins@margin {
- \global\setbox\saved@footins\box\voidb@x
-}
-% \end{macrocode}
-% \end{macro}
-%
-%
-%
-%
-% \subsection{A basic page setup template}
-%
-%
-% \begin{macro}{\test@named@key}
-% This should perhaps be made more general
-% \begin{macrocode}
-\def\test@named@key #1#2#3#4 {
- \global\expandafter\let \expandafter #1
- \csname #2 \endcsname
- \ifx #1 \relax
- \PackageError{template}{#3~ unknown}
- {#3~ can~ be~ either~ #4}
- \fi
-}
-% \end{macrocode}
-% \end{macro}
-%
-%
-%
-%
-% \begin{macro}{\DeclareFloatArea}
-% We declare new float areas and (for the moment) internally use the
-% template mechanism. But this is more or less overkill and should
-% probably be replaced in the end.
-% \begin{macrocode}
-\def\DeclareFloatArea#1#2{
- \xdef\known@areas{\known@areas#1}
- \DeclareInstance{floatareasetup}{#1}{std}
- { name = #1, #2 }
-% \end{macrocode}
-% We need to do some intialisation here in case the area isn't
-% really used. (Since it is added to |\known@areas| it will be
-% considered and that will die if the initialisation isn't done)
-% \begin{macrocode}
- \UseInstance{floatareasetup}{#1}
-}
-% \end{macrocode}
-% \end{macro}
-%
-%
-%
-% \begin{macrocode}
-\DeclareTemplateType{floatareasetup}{0}
-% \end{macrocode}
-%
-% \begin{macrocode}
-\DeclareTemplate{floatareasetup}{std}{0}{
- name =n \floatareasetup@name,
- class-close-list=n \floatareasetup@class@close,
- all-close-list =n \floatareasetup@all@close,
- max-float-num =C \floatareasetup@maxfloats,
- }
- {
-
- \DoParameterAssignments
-% \end{macrocode}
-%
-% Declare area data structures if necessary\ldots
-% \begin{macrocode}
- \@ifundefined{\floatareasetup@name @float@count}
- {\expandafter\newcount\csname \floatareasetup@name
- @float@count\endcsname}
- {}
-% \end{macrocode}
-% \ldots and initialise them
-% \begin{macrocode}
- \global\expandafter\let
- \csname pagesetup@ \floatareasetup@name @float@num\endcsname
- \floatareasetup@maxfloats
- \global\expandafter\let
- \csname pagesetup@ \floatareasetup@name @class@close\endcsname
- \floatareasetup@class@close
- \global\expandafter\let
- \csname pagesetup@ \floatareasetup@name @all@close\endcsname
- \floatareasetup@all@close
-% \end{macrocode}
-% Let's not forget that area itself (some macros wouldn't like if
-% this is |\relax| rather than |\@empty|.
-% \begin{macrocode}
- \global\expandafter\let
- \csname area@\floatareasetup@name\endcsname
- \@empty
-}
-% \end{macrocode}
-%
-%
-% \begin{macrocode}
-\DeclareTemplateType{pagesetup2}{0}
-% \end{macrocode}
-%
-% \begin{macrocode}
-\DeclareTemplate{pagesetup2}{std}{0}{
- column-num =+c \col@count,
- column-width =+l \columnwidth,
- column-height =+l \textheight, % FMi tmp
- column-sep =+l \columnsep,
- max-float-num =C \pagesetup@max@float@num,
- float-callout-constraint =n \pagesetup@float@callout,
- float-callout-span-constraint =n \pagesetup@float@callout@span,
- bottom-float-footnote-constraint =n \pagesetup@float@footnote,
- flush-float-callout-constraint =n \pagesetup@flush@float@callout,
- flush-float-callout-span-constraint =n \pagesetup@flush@float@callout@span,
- flush-bottom-float-footnote-constraint =n
- \pagesetup@flush@float@footnote,
-%
-% \end{macrocode}
-%
-% \begin{macrocode}
- area-list =n \pagesetup@area@list,
-% \end{macrocode}
-% \begin{macrocode}
- defer-class-close-list=n \pagesetup@ddd@class@close,
- defer-all-close-list =n \pagesetup@ddd@all@close,
-% \end{macrocode}
-%
-% \begin{macrocode}
- footnote-setup =i {footnotesetup} \pagesetup@footnote@setup,
-% \end{macrocode}
-%
-% \begin{macrocode}
- float-float-sep =+l \pagesetup@float@float@sep,
- float-area-sep =+l \pagesetup@float@area@sep,
- float-text-sep =+l \pagesetup@float@text@sep,
- float-inline-sep =+l \pagesetup@float@inline@sep,
-% \end{macrocode}
-%
-% \begin{macrocode}
- grid-point-sep =+L \pagesetup@grid@point@sep,
- }
- {
-% \end{macrocode}
-% We start off with ensuring that we are at the top of a page. This
-% is a temporary solution until after pagesetup is more settled and
-% those bits which are only possible if there is nothing left on
-% recent contributions are properly separated from those things
-% which can be changed midway.
-% \begin{macrocode}
- \newpage
-
- \global\col@count\@ne
- \def\pagesetup@max@float@num{3}
- \def\pagesetup@float@callout{column}
- \def\pagesetup@float@footnote{none}
- \def\pagesetup@flush@float@callout{\pagesetup@float@callout}
- \def\pagesetup@flush@float@footnote{\pagesetup@float@footnote}
- \def\pagesetup@float@callout@span{flexible}
- \def\pagesetup@flush@float@callout@span{\pagesetup@float@callout@span}
-% \end{macrocode}
-%
-% \begin{macrocode}
- \let\pagesetup@ddd@class@close\maxdimen %impossible value
- \let\pagesetup@ddd@all@close\@empty
-% \end{macrocode}
-%
-% \begin{macrocode}
-% tmp:
- \def\pagesetup@footnote@setup{\UseTemplate{footnotesetup}{std}{}}
-% \end{macrocode}
-%
-% \begin{macrocode}
- \global\let\pagesetup@grid@point@sep\z@ % no grid points by default
-
- \DoParameterAssignments
-% \end{macrocode}
-%
-% \begin{macrocode}
- \ifdim \pagesetup@grid@point@sep = \z@
- \global\let\snap@to@grid\dummy@snap@to@grid
-% \end{macrocode}
-% Next two lines need some refinement, we need some mechanism to
-% fully disable those grid points. |\IgnoreAlignToGrid| doesn't do
-% the trick.\footnote{FIX!}
-% \begin{macrocode}
- \IgnoreAlignToGrid
- \global\let\std@AlignToGrid\relax
- \else
- \global\let\snap@to@grid\std@snap@to@grid
- \ObeyAlignToGrid
- \fi
-% \end{macrocode}
-% Split the |\pagesetup@float@text@sep| specification and store the
-% minus part in |\pagesetup@float@text@shrink|. Right now the plus
-% part is not used. Actually this is only really necessary if we do
-% grid typesetting but we do it anyway so that the spec is always
-% checked for offending infinite stretch.
-% \begin{macrocode}
- \split@skip{float-text-sep}
- \pagesetup@float@text@sep
- \dimen@
- {\global\pagesetup@float@text@shrink}
-% \end{macrocode}
-%
-% \begin{macrocode}
- \split@skip{float-inline-sep}
- \pagesetup@float@inline@sep
- \dimen@
- {\global\pagesetup@float@inline@shrink}
- \global\pagesetup@float@inline@sep \@ne\pagesetup@float@inline@sep
-% \end{macrocode}
-%
-% \begin{macrocode}
- \global\hsize\columnwidth
- \global\linewidth\columnwidth
-
-% all taken away from AtBeginDocument (where it is was added in xo-final)
- \setlength \@tempdima {\headheight + \headsep}
- \xdef \pagebodytopvpos {\the\@tempdima}
-
- \setlength \@tempdima {\@tempdima + \textheight}
- \xdef \pagebodybotvpos {\the\@tempdima}
-
-%% horiz
- \setlength \@tempdima {\columnwidth + \columnsep}
- \xdef \columndisplacement {\the\@tempdima}
-
-% \end{macrocode}
-%
-% Perhaps we could use |\known@areas| instead and save the
-% test (would need a change in xo-place as well!).\footnote{Check!}
-% \begin{macrocode}
- \ifx\pagesetup@ddd@class@close\maxdimen % not set?
- \let\pagesetup@ddd@class@close\pagesetup@area@list
- \fi
-% \end{macrocode}
-%
-% \begin{macrocode}
- \test@named@key
- \std@check@callout@constraints
- {check@callout@\pagesetup@float@callout}
- {float-callout-constraint}
- {`none',~ `page',~ `column',~ or~ `after'}
-% \end{macrocode}
-%
-% \begin{macrocode}
- \test@named@key
- \relaxed@check@callout@constraints
- {check@callout@\pagesetup@flush@float@callout}
- {flush-float-callout-constraint}
- {`none',~ `page',~ `column',~ or~ `after'}
-% \end{macrocode}
-%
-% \begin{macrocode}
- \test@named@key
- \std@check@some@constraints
- {check@float@footnote@\pagesetup@float@footnote}
- {bottom-float-footnote-constraint}
- {`none'~ or~ `forbidden'}
-% \end{macrocode}
-%
-% \begin{macrocode}
- \test@named@key
- \relaxed@check@some@constraints
- {check@float@footnote@\pagesetup@flush@float@footnote}
- {flush-bottom-float-footnote-constraint}
- {`none'~ or~ `forbidden'}
-% \end{macrocode}
-%
-% \begin{macrocode}
- \test@named@key
- \std@calculate@target@fl@column
- {calculate@target@fl@column@\pagesetup@float@callout@span}
- {float-callout-span-constraint}
- {`strict'~ or~ `flexible'}
-% \end{macrocode}
-%
-% \begin{macrocode}
- \test@named@key
- \relaxed@calculate@target@fl@column
- {calculate@target@fl@column@\pagesetup@flush@float@callout@span}
- {flush-float-callout-span-constraint}
- {`strict'~ or~ `flexible'}
-% \end{macrocode}
-%
-% \begin{macrocode}
- \global\let\check@some@constraints\std@check@some@constraints
- \global\let\check@callout@constraints\std@check@callout@constraints
- \global\let\calculate@target@fl@column\std@calculate@target@fl@column
-% \end{macrocode}
-%
-% \begin{macrocode}
- \global\let\used@areas\@empty
-% \end{macrocode}
-%
-% \begin{macrocode}
- \expandafter
- \@for \expandafter \@tempa \expandafter:\expandafter=
- \pagesetup@area@list \do
- {
-% \end{macrocode}
-% Perhaps the instance should be called the moment we declare the
-% area. on the other hand calling it within the page setup would
-% allow to use collections!\footnote{Think and decide}
-% \begin{macrocode}
- \xdef\used@areas{\used@areas\@tempa}
-% after next line \@tempa is gone ... David, template.sty needs a cleanup
- \UseInstance{floatareasetup}{\@tempa}
-%\show\@tempa
- }
-
-% \end{macrocode}
-%
-% \begin{macrocode}
- \pagesetup@footnote@setup
-% \end{macrocode}
-%
-% Finally another bit of the initalisation that we have to redo at
-% this point since now some of the values may have
-% changed.\footnote{Temporary solution until the initialisation bit
-% and the pagesetup is properly sorted out.}
-% \begin{macrocode}
- \initialise@next@page
- \setup@collection@or
- }
-%
-% \end{macrocode}
-%
-% \begin{macrocode}
-\endinput
-% \end{macrocode}
-%
-% \endinput
-%
-% $Log: xo-page.dtx,v $
-% Revision 1.34 2000/08/11 07:14:27 latex3
-% added header
-%
-% Revision 1.33 2000/08/07 19:50:48 latex3
-% setup the collection@or again when a pagesetup is selected since its
-% parameter might have changed.
-%
-% Revision 1.32 2000/08/06 19:02:51 latex3
-% move parts initialisation to \begin{document}
-% move \newpage in pagesetup template first to ensure that previous page
-% is finished with old values
-%
-% Revision 1.31 2000/08/06 09:02:57 latex3
-% documented that footnotehandling needs fixing
-%
-% Revision 1.30 2000/08/04 10:23:24 latex3
-% removed float-text-shrink and float-inline-shrink keys and instead
-% used \split@skip
-%
-% Revision 1.29 2000/07/26 20:45:51 latex3
-% first implementation of grid point support
-%
-% Revision 1.28 2000/07/21 13:52:53 latex3
-% more renaming for float sequence class concept
-%
-% Revision 1.27 2000/07/18 21:07:03 latex3
-% introduced float sequence classes
-%
-% Revision 1.26 2000/07/12 16:47:44 latex3
-% use grid points properly in template
-%
-% Revision 1.25 2000/07/10 21:04:30 latex3
-% integration of float specing parameters in page setup
-% support for grid typesetting in page setup
-%
-% Revision 1.24 2000/07/04 19:44:58 latex3
-% fix marginal footnote template (did change column calculations)
-%
-% Revision 1.23 2000/06/26 15:01:29 latex3
-% docu update
-%
-% Revision 1.22 2000/06/21 09:56:09 latex3
-% update docu
-%
-% Revision 1.21 2000/06/18 15:00:35 latex3
-% move "Bottom float footnote relation" to xo-place file
-%
-% Revision 1.20 2000/06/16 11:06:05 latex3
-% support float-callout-span-constraint
-%
-% Revision 1.19 2000/06/15 17:49:55 latex3
-% moved macros about placment checking to xo-place since they don't
-% belong here
-%
-% Revision 1.18 2000/06/15 15:21:33 latex3
-% implemented new semantics for area names
-%
-% Revision 1.17 2000/06/13 21:21:08 latex3
-% added support for columnheight (tmp)
-% define \pagebodytopvpos etc inside template so that it can change
-%
-% Revision 1.16 2000/05/03 18:48:42 latex3
-% initialise float area data structure the moment the float area is
-% declared (otherwise you can't declare areas if they are not used!)
-%
-% add keys defer-type-close-list and defer-all-close-list to pagesetup2
-% template
-%
-% Revision 1.15 2000/04/21 19:03:58 latex3
-% added footnote setup
-% cleanup pagesetup code
-%
-% Revision 1.14 2000/04/08 10:48:42 latex3
-% code cleanup
-%
-% Revision 1.13 2000/04/08 08:16:53 latex3
-% default for \pagesetup@flush@float@callout changed
-%
-% Revision 1.12 2000/03/31 17:07:24 latex3
-% don't fail in footnote/float test if there isn't any bottom area at
-% all!
-%
-% Revision 1.11 2000/03/24 15:34:27 latex3
-% version that starts supporting spans (still a hack yet)
-%
-% Revision 1.10 2000/03/22 15:51:51 latex3
-% some normalisations of names
-%
-% Revision 1.9 2000/03/17 20:25:02 latex3
-% initialise fl@0
-% support relaxing constraints when flushing
-%
-% Revision 1.8 2000/03/15 19:58:00 latex3
-% assigning values to \column@number should always be done globally
-%
-% Revision 1.7 2000/03/05 19:41:21 latex3
-% support multiple columns (6 max right now)
-%
-% Revision 1.6 2000/02/26 18:21:16 david
-% fixed footnote bottom constraint code
-%
-% Revision 1.5 2000/02/26 16:52:25 david
-% *** empty log message ***
-%
-% Revision 1.4 2000/02/17 22:41:38 david
-% *** empty log message ***
-%
-% Revision 1.4 2000/02/16 13:41:06 latex3
-% added 3col support
-%
-% Revision 1.3 2000/02/13 14:38:53 latex3
-% was 1.2.1.2
-%
-% Revision 1.2.1.2 2000/02/13 11:51:27 latex3
-% fixed \check@callout@after (hopefully correct now)
-% added \check@some@constraints logic
-%