slide: Propagate the `outline?' parameter in `slide-(sub)?topic'.

* src/guile/skribilo/package/slide.scm (slide-topic): Propagate the
  `outline?' parameter as an option.
  (slide-subtopic): Likewise.

git-archimport-id: skribilo@sv.gnu.org--2006/skribilo--devo--1.2--patch-1

1 files changed, 0 insertions, 664 deletions

diff --git a/skribe/skr/slide.skr b/skribe/skr/slide.skr
deleted file mode 100644
index f8638ad..0000000
--- a/skribe/skr/slide.skr
+++ /dev/null
@@ -1,664 +0,0 @@
-;*=====================================================================*/
-;*    serrano/prgm/project/skribe/skr/slide.skr                        */
-;*    -------------------------------------------------------------    */
-;*    Author      :  Manuel Serrano                                    */
-;*    Creation    :  Fri Oct  3 12:22:13 2003                          */
-;*    Last change :  Mon Aug 23 09:08:21 2004 (serrano)                */
-;*    Copyright   :  2003-04 Manuel Serrano                            */
-;*    -------------------------------------------------------------    */
-;*    Skribe style for slides                                          */
-;*=====================================================================*/
-
-;*---------------------------------------------------------------------*/
-;*    slide-options                                                    */
-;*---------------------------------------------------------------------*/
-(define &slide-load-options (skribe-load-options))
-
-;*---------------------------------------------------------------------*/
-;*    &slide-seminar-predocument ...                                   */
-;*---------------------------------------------------------------------*/
-(define &slide-seminar-predocument 
-   "\\special{landscape}
-   \\slideframe{none}
-   \\centerslidesfalse
-   \\raggedslides[0pt]
-   \\renewcommand{\\slideleftmargin}{0.2in}
-   \\renewcommand{\\slidetopmargin}{0.3in}
-   \\newdimen\\slidewidth \\slidewidth 9in")
-
-;*---------------------------------------------------------------------*/
-;*    &slide-seminar-maketitle ...                                     */
-;*---------------------------------------------------------------------*/
-(define &slide-seminar-maketitle 
-   "\\def\\labelitemi{$\\bullet$}
-   \\def\\labelitemii{$\\circ$}
-   \\def\\labelitemiii{$\\diamond$}
-   \\def\\labelitemiv{$\\cdot$}
-   \\pagestyle{empty}
-   \\slideframe{none}
-   \\centerslidestrue
-   \\begin{slide}
-   \\date{}
-   \\maketitle
-   \\end{slide}
-   \\slideframe{none}
-   \\centerslidesfalse")
-
-;*---------------------------------------------------------------------*/
-;*    &slide-prosper-predocument ...                                   */
-;*---------------------------------------------------------------------*/
-(define &slide-prosper-predocument 
-   "\\slideCaption{}\n")
-
-;*---------------------------------------------------------------------*/
-;*    %slide-the-slides ...                                            */
-;*---------------------------------------------------------------------*/
-(define %slide-the-slides '())
-(define %slide-the-counter 0)
-(define %slide-initialized #f)
-(define %slide-latex-mode 'seminar)
-
-;*---------------------------------------------------------------------*/
-;*    %slide-initialize! ...                                           */
-;*---------------------------------------------------------------------*/
-(define (%slide-initialize!)
-   (unless %slide-initialized
-      (set! %slide-initialized #t)
-      (case %slide-latex-mode
-	 ((seminar)
-	  (%slide-seminar-setup!))
-	 ((advi)
-	  (%slide-advi-setup!))
-	 ((prosper)
-	  (%slide-prosper-setup!))
-	 (else
-	  (skribe-error 'slide "Illegal latex mode" %slide-latex-mode)))))
-      
-;*---------------------------------------------------------------------*/
-;*    slide ...                                                        */
-;*---------------------------------------------------------------------*/
-(define-markup (slide #!rest opt
-		      #!key 
-		      (ident #f) (class #f)
-		      (toc #t)
-		      title (number #t)
-		      (vspace #f) (vfill #f)
-		      (transition #f)
-		      (bg #f) (image #f))
-   (%slide-initialize!)
-   (let ((s (new container
-	       (markup 'slide)
-	       (ident (symbol->string (gensym 'slide)))
-	       (class class)
-	       (required-options '(:title :number :toc))
-	       (options `((:number
-			   ,(cond
-			       ((number? number)
-				(set! %slide-the-counter number)
-				number)
-			       (number
-				(set! %slide-the-counter
-				      (+ 1 %slide-the-counter))
-				%slide-the-counter)
-			       (else
-				#f)))
-			  (:toc ,toc)
-			  ,@(the-options opt :ident :class :vspace :toc)))
-	       (body (if vspace
-			 (list (slide-vspace vspace) (the-body opt))
-			 (the-body opt))))))
-      (set! %slide-the-slides (cons s %slide-the-slides))
-      s))
-
-;*---------------------------------------------------------------------*/
-;*    ref ...                                                          */
-;*---------------------------------------------------------------------*/
-(define %slide-old-ref ref)
-
-(define-markup (ref #!rest opt #!key (slide #f))
-   (if (not slide)
-       (apply %slide-old-ref opt)
-       (new unresolved
-	  (proc (lambda (n e env)
-		   (cond
-		      ((eq? slide 'next)
-		       (let ((c (assq n %slide-the-slides)))
-			  (if (pair? c)
-			      (handle (cadr c))
-			      #f)))
-		      ((eq? slide 'prev)
-		       (let ((c (assq n (reverse %slide-the-slides))))
-			  (if (pair? c)
-			      (handle (cadr c))
-			      #f)))
-		      ((number? slide)
-		       (let loop ((s %slide-the-slides))
-			  (cond
-			     ((null? s)
-			      #f)
-			     ((= slide (markup-option (car s) :number))
-			      (handle (car s)))
-			     (else
-			      (loop (cdr s))))))
-		      (else
-		       #f)))))))
-   
-;*---------------------------------------------------------------------*/
-;*    slide-pause ...                                                  */
-;*---------------------------------------------------------------------*/
-(define-markup (slide-pause)
-   (new markup
-      (markup 'slide-pause)))
-
-;*---------------------------------------------------------------------*/
-;*    slide-vspace ...                                                 */
-;*---------------------------------------------------------------------*/
-(define-markup (slide-vspace #!rest opt #!key (unit 'cm))
-   (new markup
-      (markup 'slide-vspace)
-      (options `((:unit ,unit) ,@(the-options opt :unit)))
-      (body (the-body opt))))
-
-;*---------------------------------------------------------------------*/
-;*    slide-embed ...                                                  */
-;*---------------------------------------------------------------------*/
-(define-markup (slide-embed #!rest opt 
-			    #!key 
-			    command
-			    (geometry-opt "-geometry")
-			    (geometry #f) (rgeometry #f)
-			    (transient #f) (transient-opt #f)
-			    (alt #f)
-			    &skribe-eval-location)
-   (if (not (string? command))
-       (skribe-error 'slide-embed
-		     "No command provided"
-		     command)
-       (new markup
-	  (markup 'slide-embed)
-	  (loc &skribe-eval-location)
-	  (required-options '(:alt))
-	  (options `((:geometry-opt ,geometry-opt) 
-		     (:alt ,alt)
-		     ,@(the-options opt :geometry-opt :alt)))
-	  (body (the-body opt)))))
-
-;*---------------------------------------------------------------------*/
-;*    slide-record ...                                                 */
-;*---------------------------------------------------------------------*/
-(define-markup (slide-record #!rest opt #!key ident class tag (play #t))
-   (if (not tag)
-       (skribe-error 'slide-record "Tag missing" tag)
-       (new markup 
-	  (markup 'slide-record)
-	  (ident ident)
-	  (class class)
-	  (options `((:play ,play) ,@(the-options opt)))
-	  (body (the-body opt)))))
-
-;*---------------------------------------------------------------------*/
-;*    slide-play ...                                                   */
-;*---------------------------------------------------------------------*/
-(define-markup (slide-play #!rest opt #!key ident class tag color)
-   (if (not tag)
-       (skribe-error 'slide-play "Tag missing" tag)
-       (new markup 
-	  (markup 'slide-play)
-	  (ident ident)
-	  (class class)
-	  (options `((:color ,(if color (skribe-use-color! color) #f))
-		     ,@(the-options opt :color)))
-	  (body (the-body opt)))))
-
-;*---------------------------------------------------------------------*/
-;*    slide-play* ...                                                  */
-;*---------------------------------------------------------------------*/
-(define-markup (slide-play* #!rest opt 
-			    #!key ident class color (scolor "#000000"))
-   (let ((body (the-body opt)))
-      (for-each (lambda (lbl)
-		   (match-case lbl
-		      ((?id ?col)
-		       (skribe-use-color! col))))
-		body)
-      (new markup
-	 (markup 'slide-play*)
-	 (ident ident)
-	 (class class)
-	 (options `((:color ,(if color (skribe-use-color! color) #f))
-		    (:scolor ,(if color (skribe-use-color! scolor) #f))
-		    ,@(the-options opt :color :scolor)))
-	 (body body))))
-
-;*---------------------------------------------------------------------*/
-;*    base                                                             */
-;*---------------------------------------------------------------------*/
-(let ((be (find-engine 'base)))
-   (skribe-message "Base slides setup...\n")
-   ;; slide-pause
-   (markup-writer 'slide-pause be
-      :action #f)
-   ;; slide-vspace
-   (markup-writer 'slide-vspace be
-      :options '()
-      :action #f)
-   ;; slide-embed
-   (markup-writer 'slide-embed be
-      :options '(:alt :geometry-opt)
-      :action (lambda (n e)
-		 (output (markup-option n :alt) e)))
-   ;; slide-record
-   (markup-writer 'slide-record be
-      :options '(:tag :play)
-      :action (lambda (n e)
-		 (output (markup-body n) e)))
-   ;; slide-play
-   (markup-writer 'slide-play be
-      :options '(:tag :color)
-      :action (lambda (n e)
-		 (output (markup-option n :alt) e)))
-   ;; slide-play*
-   (markup-writer 'slide-play* be
-      :options '(:tag :color :scolor)
-      :action (lambda (n e)
-		 (output (markup-option n :alt) e))))
-
-;*---------------------------------------------------------------------*/
-;*    slide-body-width ...                                             */
-;*---------------------------------------------------------------------*/
-(define (slide-body-width e)
-   (let ((w (engine-custom e 'body-width)))
-      (if (or (number? w) (string? w)) w 95.)))
-
-;*---------------------------------------------------------------------*/
-;*    html-slide-title ...                                             */
-;*---------------------------------------------------------------------*/
-(define (html-slide-title n e)
-   (let* ((title (markup-body n))
-          (authors (markup-option n 'author))
-          (tbg (engine-custom e 'title-background))
-          (tfg (engine-custom e 'title-foreground))
-          (tfont (engine-custom e 'title-font)))
-      (printf "<center><table cellspacing='0' cellpadding='0' width=\"~a\" class=\"skribetitle\"><tbody>\n<tr>"
-              (html-width (slide-body-width e)))
-      (if (string? tbg)
-          (printf "<td bgcolor=\"~a\">" tbg)
-          (display "<td>"))
-      (if (string? tfg)
-          (printf "<font color=\"~a\">" tfg))
-      (if title
-          (begin
-             (display "<center>")
-             (if (string? tfont)
-                 (begin
-                    (printf "<font ~a><strong>" tfont)
-                    (output title e)
-                    (display "</strong></font>"))
-                 (begin
-		    (printf "<div class=\"skribetitle\"><strong><big><big><big>")
-                    (output title e)
-		    (display "</big></big></big></strong</div>")))
-             (display "</center>\n")))
-      (if (not authors)
-          (display "\n")
-          (html-title-authors authors e))
-      (if (string? tfg)
-          (display "</font>"))
-      (display "</td></tr></tbody></table></center>\n")))
-
-;*---------------------------------------------------------------------*/
-;*    slide-number ...                                                 */
-;*---------------------------------------------------------------------*/
-(define (slide-number)
-   (length (filter (lambda (n)
-		      (and (is-markup? n 'slide)
-			   (markup-option n :number)))
-		   %slide-the-slides)))
-
-;*---------------------------------------------------------------------*/
-;*    html                                                             */
-;*---------------------------------------------------------------------*/
-(let ((he (find-engine 'html)))
-   (skribe-message "HTML slides setup...\n")
-   ;; &html-page-title
-   (markup-writer '&html-document-title he
-      :predicate (lambda (n e) %slide-initialized)
-      :action html-slide-title)
-   ;; slide
-   (markup-writer 'slide he
-      :options '(:title :number :transition :toc :bg)
-      :before (lambda (n e)
-		 (printf "<a name=\"~a\">" (markup-ident n))
-		 (display "<br>\n"))
-      :action (lambda (n e)
-		 (let ((nb (markup-option n :number))
-		       (t (markup-option n :title)))
-		    (skribe-eval
-		     (center 
-			(color :width (slide-body-width e)
-			   :bg (or (markup-option n :bg) "#ffffff")
-			   (table :width 100.
-			      (tr (th :align 'left 
-				     (list
-				      (if nb 
-					  (format "~a / ~a -- " nb 
-						  (slide-number)))
-				      t)))
-			      (tr (td (hrule)))
-			      (tr (td :width 100. :align 'left 
-				     (markup-body n))))
-			   (linebreak)))
-		     e)))
-      :after "<br>")
-   ;; slide-vspace
-   (markup-writer 'slide-vspace he
-      :action (lambda (n e) (display "<br>"))))
-
-;*---------------------------------------------------------------------*/
-;*    latex                                                            */
-;*---------------------------------------------------------------------*/
-(define &latex-slide #f)
-(define &latex-pause #f)
-(define &latex-embed #f)
-(define &latex-record #f)
-(define &latex-play #f)
-(define &latex-play* #f)
-
-(let ((le (find-engine 'latex)))
-   ;; slide-vspace
-   (markup-writer 'slide-vspace le
-      :options '(:unit)
-      :action (lambda (n e)
-		 (display "\n\\vspace{")
-		 (output (markup-body n) e)
-		 (printf " ~a}\n\n" (markup-option n :unit))))
-   ;; slide-slide
-   (markup-writer 'slide le
-      :options '(:title :number :transition :vfill :toc :vspace :image)
-      :action (lambda (n e)
-		 (if (procedure? &latex-slide)
-		     (&latex-slide n e))))
-   ;; slide-pause
-   (markup-writer 'slide-pause le
-      :options '()
-      :action (lambda (n e)
-		 (if (procedure? &latex-pause)
-		     (&latex-pause n e))))
-   ;; slide-embed
-   (markup-writer 'slide-embed le
-      :options '(:alt :command :geometry-opt :geometry 
-		      :rgeometry :transient :transient-opt)
-      :action (lambda (n e)
-		 (if (procedure? &latex-embed)
-		     (&latex-embed n e))))
-   ;; slide-record
-   (markup-writer 'slide-record le
-      :options '(:tag :play)
-      :action (lambda (n e)
-		 (if (procedure? &latex-record)
-		     (&latex-record n e))))
-   ;; slide-play
-   (markup-writer 'slide-play le
-      :options '(:tag :color)
-      :action (lambda (n e)
-		 (if (procedure? &latex-play)
-		     (&latex-play n e))))
-   ;; slide-play*
-   (markup-writer 'slide-play* le
-      :options '(:tag :color :scolor)
-      :action (lambda (n e)
-		 (if (procedure? &latex-play*)
-		     (&latex-play* n e)))))
-
-;*---------------------------------------------------------------------*/
-;*    %slide-seminar-setup! ...                                        */
-;*---------------------------------------------------------------------*/
-(define (%slide-seminar-setup!)
-   (skribe-message "Seminar slides setup...\n")
-   (let ((le (find-engine 'latex))
-	 (be (find-engine 'base)))
-      ;; latex configuration
-      (define (seminar-slide n e)
-	 (let ((nb (markup-option n :number))
-	       (t (markup-option n :title)))
-	    (display "\\begin{slide}\n")
-	    (if nb (printf "~a/~a -- " nb (slide-number)))
-	    (output t e)
-	    (display "\\hrule\n"))
-	 (output (markup-body n) e)
-	 (if (markup-option n :vill) (display "\\vfill\n"))
-	 (display "\\end{slide}\n"))
-      (engine-custom-set! le 'documentclass
-	 "\\documentclass[landscape]{seminar}\n")
-      (let ((o (engine-custom le 'predocument)))
-	 (engine-custom-set! le 'predocument
-	    (if (string? o) 
-		(string-append &slide-seminar-predocument o)
-		&slide-seminar-predocument)))
-      (engine-custom-set! le 'maketitle
-	 &slide-seminar-maketitle)
-      (engine-custom-set! le 'hyperref-usepackage
-	 "\\usepackage[setpagesize=false]{hyperref}\n")
-      ;; slide-slide
-      (set! &latex-slide seminar-slide)))
-
-;*---------------------------------------------------------------------*/
-;*    %slide-advi-setup! ...                                           */
-;*---------------------------------------------------------------------*/
-(define (%slide-advi-setup!)
-   (skribe-message "Generating `Advi Seminar' slides...\n")
-   (let ((le (find-engine 'latex))
-	 (be (find-engine 'base)))
-      (define (advi-geometry geo)
-	 (let ((r (pregexp-match "([0-9]+)x([0-9]+)" geo)))
-	    (if (pair? r)
-		(let* ((w (cadr r))
-		       (w' (string->integer w))
-		       (w'' (number->string (/ w' *skribe-slide-advi-scale*)))
-		       (h (caddr r))
-		       (h' (string->integer h))
-		       (h'' (number->string (/ h' *skribe-slide-advi-scale*))))
-		   (values "" (string-append w "x" h "+!x+!y")))
-		(let ((r (pregexp-match "([0-9]+)x([0-9]+)[+](-?[0-9]+)[+](-?[0-9]+)" geo)))
-		   (if (pair? r)
-		       (let ((w (number->string (/ (string->integer (cadr r))
-						   *skribe-slide-advi-scale*)))
-			     (h (number->string (/ (string->integer (caddr r))
-						   *skribe-slide-advi-scale*)))
-			     (x (cadddr r))
-			     (y (car (cddddr r))))
-			  (values (string-append "width=" w "cm,height=" h "cm")
-				  "!g"))
-		       (values "" geo))))))
-      (define (advi-transition trans)
-	 (cond
-	    ((string? trans)
-	     (printf "\\advitransition{~s}" trans))
-	    ((and (symbol? trans)
-		  (memq trans '(wipe block slide)))
-	     (printf "\\advitransition{~s}" trans))
-	    (else
-	     #f)))
-      ;; latex configuration
-      (define (advi-slide n e)
-	 (let ((i (markup-option n :image))
-	       (n (markup-option n :number))
-	       (t (markup-option n :title))
-	       (lt (markup-option n :transition))
-	       (gt (engine-custom e 'transition)))
-	    (if (and i (engine-custom e 'advi))
-		(printf "\\advibg[global]{image=~a}\n" 
-			(if (and (pair? i)
-				 (null? (cdr i)) 
-				 (string? (car i)))
-			    (car i)
-			    i)))
-	    (display "\\begin{slide}\n")
-	    (advi-transition (or lt gt))
-	    (if n (printf "~a/~a -- " n (slide-number)))
-	    (output t e)
-	    (display "\\hrule\n"))
-	 (output (markup-body n) e)
-	 (if (markup-option n :vill) (display "\\vfill\n"))
-	 (display "\\end{slide}\n\n\n"))
-      ;; advi record
-      (define (advi-record n e)
-	 (display "\\advirecord")
-	 (when (markup-option n :play) (display "[play]"))
-	 (printf "{~a}{" (markup-option n :tag))
-	 (output (markup-body n) e)
-	 (display "}"))
-      ;; advi play
-      (define (advi-play n e)
-	 (display "\\adviplay")
-	 (let ((c (markup-option n :color)))
-	    (when c
-	       (display "[")
-	       (display (skribe-get-latex-color c))
-	       (display "]")))
-	 (printf "{~a}" (markup-option n :tag)))
-      ;; advi play*
-      (define (advi-play* n e)
-	 (let ((c (skribe-get-latex-color (markup-option n :color)))
-	       (d (skribe-get-latex-color (markup-option n :scolor))))
-	    (let loop ((lbls (markup-body n))
-		       (last #f))
-	       (when last 
-		  (display "\\adviplay[")
-		  (display d)
-		  (printf "]{~a}" last))
-	       (when (pair? lbls)
-		  (let ((lbl (car lbls)))
-		     (match-case lbl
-			((?id ?col)
-			 (display "\\adviplay[")
-			 (display (skribe-get-latex-color col))
-			 (printf "]{" ~a "}" id)
-			 (skribe-eval (slide-pause) e)
-			 (loop (cdr lbls) id))
-			(else
-			 (display "\\adviplay[")
-			 (display c)
-			 (printf "]{~a}" lbl)
-			 (skribe-eval (slide-pause) e)
-			 (loop (cdr lbls) lbl))))))))
-      (engine-custom-set! le 'documentclass
-	 "\\documentclass{seminar}\n")
-      (let ((o (engine-custom le 'predocument)))
-	 (engine-custom-set! le 'predocument
-	    (if (string? o) 
-		(string-append &slide-seminar-predocument o)
-		&slide-seminar-predocument)))
-      (engine-custom-set! le 'maketitle
-	 &slide-seminar-maketitle)
-      (engine-custom-set! le 'usepackage
-	 (string-append "\\usepackage{advi}\n"
-			(engine-custom le 'usepackage)))
-      ;; slide
-      (set! &latex-slide advi-slide)
-      (set! &latex-pause 
-	    (lambda (n e) (display "\\adviwait\n")))
-      (set! &latex-embed
-	    (lambda (n e)
-	       (let ((geometry-opt (markup-option n :geometry-opt))
-		     (geometry (markup-option n :geometry))
-		     (rgeometry (markup-option n :rgeometry))
-		     (transient (markup-option n :transient))
-		     (transient-opt (markup-option n :transient-opt))
-		     (cmd (markup-option n :command)))
-		  (let* ((a (string-append "ephemeral=" 
-					   (symbol->string (gensym))))
-			 (c (cond
-			       (geometry
-				(string-append cmd " "
-					       geometry-opt " " 
-					       geometry))
-			       (rgeometry
-				(multiple-value-bind (aopt dopt)
-				   (advi-geometry rgeometry)
-				   (set! a (string-append a "," aopt))
-				   (string-append cmd " " 
-						  geometry-opt " " 
-						  dopt)))
-			       (else
-				cmd)))
-			 (c (if (and transient transient-opt)
-				(string-append c " " transient-opt " !p")
-				c)))
-		     (printf "\\adviembed[~a]{~a}\n" a c)))))
-      (set! &latex-record advi-record)
-      (set! &latex-play advi-play)
-      (set! &latex-play* advi-play*)))
-
-;*---------------------------------------------------------------------*/
-;*    %slide-prosper-setup! ...                                        */
-;*---------------------------------------------------------------------*/
-(define (%slide-prosper-setup!)
-   (skribe-message "Generating `Prosper' slides...\n")
-   (let ((le (find-engine 'latex))
-	 (be (find-engine 'base))
-	 (overlay-count 0))
-      ;; transitions
-      (define (prosper-transition trans)
-	 (cond
-	    ((string? trans)
-	     (printf "[~s]" trans))
-	    ((eq? trans 'slide)
-	     (printf "[Blinds]"))
-	    ((and (symbol? trans)
-		  (memq trans '(split blinds box wipe dissolve glitter)))
-	     (printf "[~s]"
-		     (string-upcase (symbol->string trans))))
-	    (else
-	     #f)))
-      ;; latex configuration
-      (define (prosper-slide n e)
-	 (let* ((i (markup-option n :image))
-		(t (markup-option n :title))
-		(lt (markup-option n :transition))
-		(gt (engine-custom e 'transition))
-		(pa (search-down (lambda (x) (is-markup? x 'slide-pause)) n))
-		(lpa (length pa)))
-	    (set! overlay-count 1)
-	    (if (>= lpa 1) (printf "\\overlays{~a}{%\n" (+ 1 lpa)))
-	    (display "\\begin{slide}")
-	    (prosper-transition (or lt gt))
-	    (display "{")
-	    (output t e)
-	    (display "}\n")
-	    (output (markup-body n) e)
-	    (display "\\end{slide}\n")
-	    (if (>= lpa 1) (display "}\n"))
-	    (newline)
-	    (newline)))
-      (engine-custom-set! le 'documentclass "\\documentclass[pdf,skribe,slideColor,nototal]{prosper}\n")
-      (let* ((cap (engine-custom le 'slide-caption))
-	     (o (engine-custom le 'predocument))
-	     (n (if (string? cap)
-		    (format "~a\\slideCaption{~a}\n"
-			    &slide-prosper-predocument
-			    cap)
-		    &slide-prosper-predocument)))
-	 (engine-custom-set! le 'predocument
-	    (if (string? o) (string-append n o) n)))
-      (engine-custom-set! le 'hyperref-usepackage "\\usepackage{hyperref}\n")
-      ;; writers
-      (set! &latex-slide prosper-slide)
-      (set! &latex-pause
-	    (lambda (n e)
-	       (set! overlay-count (+ 1 overlay-count))
-	       (printf "\\FromSlide{~s}%\n" overlay-count)))))
-
-;*---------------------------------------------------------------------*/
-;*    Setup ...                                                        */
-;*---------------------------------------------------------------------*/
-(let* ((opt &slide-load-options)
-       (p (memq :prosper opt)))
-   (if (and (pair? p) (pair? (cdr p)) (cadr p))
-       ;; prosper
-       (set! %slide-latex-mode 'prosper)
-       (let ((a (memq :advi opt)))
-	  (if (and (pair? a) (pair? (cdr a)) (cadr a))
-	      ;; advi
-	      (set! %slide-latex-mode 'advi)))))
-