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+%-*-tex-*-
+% Copyright Michael J. Ferguson, INRS-Telecommunications
+% All rights reserved.
+
+% ========= Syntactic Compability Forms ============
+% Each of these has a token list that is inserted before each
+% particular insert ... and in a group.
+% in \begin... \end.. pairs
+\newtoks\everytopinsert
+\newtoks\everymidinsert
+\newtoks\everypageinsert
+\def\begintopinsert{\begingroup\the\everytopinsert\topinsert}
+\def\beginmidinsert{\begingroup\the\everymidinsert\midinsert}
+\def\beginpageinsert{\begingroup\the\everypageinsert\pageinsert}
+
+\def\e@ndinsert{\endinsert\endgroup}
+
+\let\endtopinsert = \e@ndinsert
+\let\endmidinsert = \e@ndinsert
+\let\endpageinsert = \e@ndinsert
+
+% ============= Figure, Table, etc inserts ==========
+
+% Assumptions
+% The form is described by three letters, eg "fig" or "tbl"
+% If the list file exists, the page info is written.
+% \writelistfile must be defined
+% \autonumber, \autoreference, \ref, \quietref, \veryraggedright
+% If autonumbering is on, then
+% \silent, \autofignum ..
+% An "fig" form and "tbl" form are defined. These need
+% \figurelabel, and \tablelabel respectively. These are
+% usually defined in the \englishversion and \versionfrancaise
+% The insert forms use \beginmidinsert ... \endmidinsert.
+
+
+% Defaults --- to be set.
+% \captiontextfraction ... inrsdef.tex
+% \captionskip ... inrsdef.tex
+% \topcaptiontrue or \topcaptionfalse ... inrsdef.tex
+% \figurelabel or \figlabel ... english.tex or francais.tex
+% \tablelabel or \tbllabel ... english.tex or francais.tex
+% \captionnumfont ... inrsfont.tex
+% \captiontitlefont ... inrsfont.tex
+% \captionbodyfont ... inrsfont.tex
+% \captionbodyon <off> ... inrsdef.tex
+
+
+% This is a general form for an insert with a caption, under it
+% if \topcaptionfalse and over it if \topcaptiontrue
+% The particular form is identified with a (usually) three letter sequence
+% such as "fig" or "tbl". There can be an associated list file for
+% automatic generation of the page list for the items.
+% The basic form is a non-floating type, enclosed in $$ ... $$ to give
+% correct spacing. This can be put in an insert to make it float.
+% Full page forms require \vfill above and/or below for top, bottom, or center.
+
+% The caption box measures its size and centers the text if it is short
+% or puts it in a \vbox which is \captiontextfraction of the \hsize
+% if it is not.
+% The \captionskip is the spacing between the caption and the actual
+% item in the text. This may be a table or figure or ....
+
+% \let\captionnumfont = \bf
+% \let\captiontextfont = \relax % defaults to "outside font"
+% \def\captiontextfraction{0.8}
+
+\def\captionbox#1#2{\setbox0=\hbox{{\captionnumfont #1}\quad #2}
+ \ifdim 1\wd0 < \captiontextfraction\hsize
+ \centerline{\unhbox0}
+ \else
+ \centerline{\vbox{\hsize=\captiontextfraction\hsize
+ \veryraggedright
+ \setbox0=\hbox{{\captionnumfont #1}\quad}
+ \hangindent=1\wd0 \hangafter=1
+ \noindent\unhbox0
+ \captiontitlefont #2}}%
+ \fi}
+
+% A caption is assumed to have both a <title> that will appear in the
+% list, if any and a <caption body> that will appear only when the caption is
+% printed. The default is to have \captionbody ... "active" and to turn it
+% off when making lists.
+% This is done with two commands \captionbodyon and \captionbodyoff
+% associated with a <caption body> is a <caption body font>
+
+\def\captionbodyon{\def\captionbody##1{\captionbodyfont ##1}}
+\def\captionbodyoff{\def\captionbody##1{}}
+
+
+% \rect <hor dimen> by <vert dimen>} A centered rectangular box to act
+% as a place holder if there is a figure to be pasted in later.
+\def\r@ect{\centerline{\vbox{\hrule
+ \hbox{\vrule height \the\dimen2
+ \hskip \dimen0
+ \vrule height \the\dimen2}
+ \hrule
+ }}}
+\def\rect #1by{\dimen0 #1\afterassignment\r@ect \dimen2}
+
+% ======= This is the general insert form =======
+% #1 is the name of the insert form, #2 is the tag or number, #3 is the title
+% #4 is the actual insert form value ... ie figure or table or ...
+
+% This is the glue specification between the caption and the body of the
+% insert
+
+\newskip\captionskip %\captionskip=2ex
+
+% This is a switch that controls whether the caption is above or below the
+% the body of the insert
+
+\newif\iftopcaption %\topcaptionfalse % defaulted
+
+% This is the general form of the insert --- it requires both \autonumber
+% and \autoreference to work. By selectively turning on/off these
+% switches, multipart figures are possible.
+
+\def\geninsertform #1#2#3#4{
+ \ifautonumber
+ \silent{\expandafter\csname auto#1num\endcsname{#2}}\relax
+ \edef\i@nsnum{\csname:@#2\endcsname}\else
+ \edef\i@nsnum{#2}\fi
+ {\def\captionbody##1{}\edef\t@out{\noexpand\writelistfile
+ {#1}{\csname #1tocout\endcsname}{\i@nsnum}{#3}}\t@out}\relax
+ $$\vbox{\normalbaselines
+ \iftopcaption
+ \captionbox{\csname #1label\endcsname\i@nsnum}{#3}
+ \vskip \captionskip
+ \centerline{\vbox{#4}}
+ \else
+ \centerline{\vbox{#4}}
+ \vskip \captionskip
+ \captionbox{\csname #1label\endcsname\i@nsnum}{#3}
+ \fi
+ \vss}$$}
+
+
+% ========== Special Cases ============
+% These define simple forms for standard midinserts. It uses
+% \beginmidinsert ... \endmidinsert for consistency
+
+% For Figures
+\def\figureform #1#2#3{\geninsertform {fig}{#1}{#2}{#3}}
+\def\figlabel{\figurelabel }
+\def\figureinsert #1#2#3{\beginmidinsert
+ \figureform{#1}{#2}{#3}
+ \endmidinsert }
+
+%\def\figtocout{\string\figtoc} % actually set in inrsdef.tex
+
+
+% For Tables
+\def\tableform #1#2#3{\geninsertform {tbl}{#1}{#2}{#3}}
+\def\tbllabel{\tablelabel }
+\def\tableinsert #1#2#3{\beginmidinsert
+ \tableform{#1}{#2}{#3}
+ \endmidinsert }
+%\def\tbltocout{\string\tbltoc} % actually set in inrsdef.tex
+
+
+% Comment ---- \endinsert in Plain has a pre and post \bigskip
+% This should probably be removed and the spacing always controlled by
+% the $$ ... $$. Instead, if the \everymidinsert form were used it
+% would be possible to remove it with \everymidinsert = {\let\bigskip=\relax \ No newline at end of file