Started cleaning up packages using Guile-Lint.

Most of the changes involve:

  * using a native module rather than `define-skribe-module'.

  * using `:'-style keywords instead of DSSSL keywords so that Guile-Lint
    can handle them.

  * fixing unbound variables and the likes.

git-archimport-id: skribilo@sv.gnu.org--2006/skribilo--devo--1.2--patch-98

16 files changed, 328 insertions, 215 deletions

diff --git a/src/guile/skribilo/engine/latex.scm b/src/guile/skribilo/engine/latex.scm
index 2d5e4b6..e69769b 100644
--- a/src/guile/skribilo/engine/latex.scm
+++ b/src/guile/skribilo/engine/latex.scm
@@ -442,7 +442,7 @@
 ;*---------------------------------------------------------------------*/
 ;*    skribe-get-latex-color ...                                       */
 ;*---------------------------------------------------------------------*/
-(define (skribe-get-latex-color spec)
+(define-public (skribe-get-latex-color spec)
    (let ((c (and (hashtable? *skribe-latex-color-table*)
 		 (hashtable-get *skribe-latex-color-table* spec))))
       (if (not (string? c))
diff --git a/src/guile/skribilo/package/acmproc.scm b/src/guile/skribilo/package/acmproc.scm
index 61eafd5..5ca1288 100644
--- a/src/guile/skribilo/package/acmproc.scm
+++ b/src/guile/skribilo/package/acmproc.scm
@@ -1,6 +1,7 @@
 ;;; acmproc.scm  --  The Skribe style for ACMPROC articles.
 ;;;
 ;;; Copyright 2003, 2004  Manuel Serrano
+;;; Copyright 2007  Ludovic Courtès <ludo@chbouib.org>
 ;;;
 ;;;
 ;;; This program is free software; you can redistribute it and/or modify
@@ -18,6 +19,28 @@
 ;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 ;;; USA.
 
+(define-module (skribilo package acmproc)
+  :use-module (skribilo ast)
+  :use-module (skribilo engine)
+  :use-module (skribilo writer)
+  :autoload   (skribilo output)         (output)
+  :autoload   (skribilo package base)   (chapter font flush
+                                         toc the-bibliography)
+  :autoload   (skribilo utils keywords) (the-options the-body)
+  :autoload   (skribilo evaluator)      (evaluate-document)
+
+  :use-module (skribilo lib)
+  :use-module (skribilo utils syntax)
+
+  :use-module (ice-9 optargs)
+  :use-module (srfi srfi-13)
+
+  :export (abstract references))
+
+(fluid-set! current-reader %skribilo-module-reader)
+
+
+
 ;*---------------------------------------------------------------------*/
 ;*    LaTeX global customizations                                      */
 ;*---------------------------------------------------------------------*/
@@ -29,7 +52,7 @@
    (markup-writer '&latex-author le
       :before (lambda (n e)
 		 (let ((body (markup-body n)))
-		    (printf "\\numberofauthors{~a}\n\\author{\n"
+		    (format #f "\\numberofauthors{~a}\n\\author{\n"
 			    (if (pair? body) (length body) 1))))
       :action (lambda (n e)
 		 (let ((body (markup-body n)))
@@ -90,7 +113,7 @@
 				"#cccccc"))
 			(exp (p (center (color :bg bg :width 90. 
 					   (markup-body n))))))
-		    (skribe-eval exp e))))
+		    (evaluate-document exp e))))
    ;; ACM category, terms, and keywords
    (markup-writer '&acm-category :action #f)
    (markup-writer '&acm-terms :action #f)
@@ -100,11 +123,12 @@
 ;*---------------------------------------------------------------------*/
 ;*    abstract ...                                                     */
 ;*---------------------------------------------------------------------*/
-(define-markup (abstract #!rest opt #!key (class "abstract") postscript)
+(define-markup (abstract :rest opt :key (class "abstract") postscript)
    (if (engine-format? "latex")
        (section :number #f :title "ABSTRACT" (p (the-body opt)))
        (let ((a (new markup
 		   (markup '&html-acmproc-abstract)
+                   (loc  &invocation-location)
 		   (body (the-body opt)))))
 	  (list (if postscript
 		    (section :number #f :toc #f :title "Postscript download"
@@ -116,36 +140,39 @@
 ;*---------------------------------------------------------------------*/
 ;*    acm-category ...                                                 */
 ;*---------------------------------------------------------------------*/
-(define-markup (acm-category #!rest opt #!key index section subsection)
+(define-markup (acm-category :rest opt :key index section subsection)
    (new markup
       (markup '&acm-category)
+      (loc &invocation-location)
       (options (the-options opt))
       (body (the-body opt))))
 
 ;*---------------------------------------------------------------------*/
 ;*    acm-terms ...                                                    */
 ;*---------------------------------------------------------------------*/
-(define-markup (acm-terms #!rest opt)
+(define-markup (acm-terms :rest opt)
    (new markup
       (markup '&acm-terms)
+      (loc &invocation-location)
       (options (the-options opt))
       (body (the-body opt))))
 
 ;*---------------------------------------------------------------------*/
 ;*    acm-keywords ...                                                 */
 ;*---------------------------------------------------------------------*/
-(define-markup (acm-keywords #!rest opt)
+(define-markup (acm-keywords :rest opt)
    (new markup
       (markup '&acm-keywords)
+      (loc &invocation-location)
       (options (the-options opt))
       (body (the-body opt))))
 
 ;*---------------------------------------------------------------------*/
 ;*    acm-copyright ...                                                */
 ;*---------------------------------------------------------------------*/
-(define-markup (acm-copyright #!rest opt #!key conference location year crdata)
+(define-markup (acm-copyright :rest opt :key conference location year crdata)
    (let* ((le (find-engine 'latex))
-	  (cop (format "\\conferenceinfo{~a,} {~a}
+	  (cop (format #f "\\conferenceinfo{~a,} {~a}
 \\CopyrightYear{~a}
 \\crdata{~a}\n" conference location year crdata))
 	  (old (engine-custom le 'predocument)))
diff --git a/src/guile/skribilo/package/eq/lout.scm b/src/guile/skribilo/package/eq/lout.scm
index bb243f6..9b27a7e 100644
--- a/src/guile/skribilo/package/eq/lout.scm
+++ b/src/guile/skribilo/package/eq/lout.scm
@@ -26,9 +26,7 @@
   :use-module (skribilo engine)
   :use-module (skribilo lib)
   :use-module (skribilo utils syntax)
-  :use-module (skribilo utils keywords) ;; `the-options', etc.
-  :use-module (srfi srfi-1)
-  :use-module (ice-9 optargs))
+  :use-module (srfi srfi-1))
 
 (fluid-set! current-reader %skribilo-module-reader)
 
diff --git a/src/guile/skribilo/package/french.scm b/src/guile/skribilo/package/french.scm
index a23d1da..e7281d7 100644
--- a/src/guile/skribilo/package/french.scm
+++ b/src/guile/skribilo/package/french.scm
@@ -1,6 +1,7 @@
 ;;; french.scm  --  French Skribe style
 ;;;
 ;;; Copyright 2003, 2004  Manuel Serrano
+;;; Copyright 2007  Ludovic Courtès <ludo@chbouib.org>
 ;;;
 ;;;
 ;;; This program is free software; you can redistribute it and/or modify
@@ -18,7 +19,8 @@
 ;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 ;;; USA.
 
-(define-skribe-module (skribilo package french))
+(define-module (skribilo package french)
+  :use-module (skribilo engine))
 
 ;*---------------------------------------------------------------------*/
 ;*    LaTeX configuration                                              */
diff --git a/src/guile/skribilo/package/jfp.scm b/src/guile/skribilo/package/jfp.scm
index 913b3e3..7360140 100644
--- a/src/guile/skribilo/package/jfp.scm
+++ b/src/guile/skribilo/package/jfp.scm
@@ -1,6 +1,7 @@
 ;;; jfp.scm  --  The Skribe style for JFP articles.
 ;;;
 ;;; Copyright 2003, 2004  Manuel Serrano
+;;; Copyright 2007  Ludovic Courtès <ludo@chbouib.org>
 ;;;
 ;;;
 ;;; This program is free software; you can redistribute it and/or modify
@@ -18,7 +19,39 @@
 ;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 ;;; USA.
 
-(define-skribe-module (skribilo package jfp))
+(define-module (skribilo package jfp)
+  :use-module (skribilo ast)
+  :use-module (skribilo engine)
+  :use-module (skribilo writer)
+  :autoload   (skribilo output)          (output)
+  :autoload   (skribilo evaluator)       (evaluate-document)
+  :autoload   (skribilo lib)             (skribe-error)
+  :autoload   (skribilo biblio template) (output-bib-entry-template)
+  :autoload   (skribilo utils keywords)  (the-body)
+  :use-module (skribilo package base)
+  :use-module (srfi srfi-1)
+
+  :use-module (skribilo utils syntax)
+  :use-module (ice-9 optargs)
+  :autoload   (ice-9 regex)              (regexp-substitute/global)
+
+  :export (abstract references))
+
+;;; Author: Manuel Serrano, Ludovic Courtès
+;;;
+;;; Commentary:
+;;;
+;;; Tools for the Journal of Functional Programming (JFP).
+;;;
+;;; Code:
+
+(fluid-set! current-reader %skribilo-module-reader)
+
+(define every? every)
+
+(define (pregexp-replace* regexp str1 str2)
+  (regexp-substitute/global #f regexp str1
+                            'pre str2 'post))
 
 ;*---------------------------------------------------------------------*/
 ;*    LaTeX global customizations                                      */
@@ -192,62 +225,8 @@
    ;; %bib-entry-body
    (markup-writer '&bib-entry-body le
       :action (lambda (n e)
-		 (define (output-fields descr)
-		    (display "\\item[")
-		    (let loop ((descr descr)
-			       (pending #f)
-			       (armed #f)
-			       (first #t))
-		       (cond
-			  ((null? descr)
-			   'done)
-			  ((pair? (car descr))
-			   (if (eq? (caar descr) 'or)
-			       (let ((o1 (cadr (car descr))))
-				  (if (markup-option n o1)
-				      (loop (cons o1 (cdr descr)) 
-					    pending 
-					    #t
-					    #f)
-				      (let ((o2 (caddr (car descr))))
-					 (loop (cons o2 (cdr descr)) 
-					       pending
-					       armed
-					       #f))))
-			       (let ((o (markup-option n (cadr (car descr)))))
-				  (if o
-				      (begin
-					 (if (and pending armed)
-					     (output pending e))
-					 (output (caar descr) e)
-					 (output o e)
-					 (if (pair? (cddr (car descr)))
-					     (output (caddr (car descr)) e))
-					 (loop (cdr descr) #f #t #f))
-				      (loop (cdr descr) pending armed #f)))))
-			  ((symbol? (car descr))
-			   (let ((o (markup-option n (car descr))))
-			      (if o 
-				  (begin
-				     (if (and armed pending)
-					 (output pending e))
-				     (output o e)
-				     (if first
-					 (display "]"))
-				     (loop (cdr descr) #f #t #f))
-				  (loop (cdr descr) pending armed #f))))
-			  ((null? (cdr descr))
-			   (output (car descr) e))
-			  ((string? (car descr))
-			   (loop (cdr descr) 
-				 (if pending pending (car descr))
-				 armed
-				 #f))
-			  (else
-			   (skribe-error 'output-bib-fields
-					 "Illegal description"
-					 (car descr))))))
-		 (output-fields
+		 (output-bib-entry-template n e
+
 		  (case (markup-option n 'kind)
 		     ((techreport)
 		      `(author (" (" year ")") " " (or title url) ". " 
@@ -297,15 +276,21 @@
 				    (center (color :bg bg :width 90. 
 					       (it (markup-body n))))
 				    (it (markup-body n))))))
-                    (skribe-eval exp e)))))
-		 
+                    (evaluate-document exp e)))))
+
+
+;;;
+;;; Markup.
+;;;
+
 ;*---------------------------------------------------------------------*/
 ;*    abstract ...                                                     */
 ;*---------------------------------------------------------------------*/
-(define-markup (abstract #!rest opt #!key postscript)
+(define-markup (abstract :rest opt :key postscript)
    (if (engine-format? "latex")
        (new markup
 	  (markup 'jfp-abstract)
+          (loc &invocation-location)
 	  (body (p (the-body opt))))
        (let ((a (new markup
 		   (markup '&html-jfp-abstract)
@@ -326,3 +311,5 @@
 	    :number (not (engine-format? "latex"))
 	    (font :size -1 (the-bibliography)))))
 
+
+;;; jfp.scm ends here
diff --git a/src/guile/skribilo/package/letter.scm b/src/guile/skribilo/package/letter.scm
index 91d45be..9036bd3 100644
--- a/src/guile/skribilo/package/letter.scm
+++ b/src/guile/skribilo/package/letter.scm
@@ -1,6 +1,7 @@
 ;;; letter.scm  --  Skribe style for letters
 ;;;
 ;;; Copyright 2003, 2004  Manuel Serrano
+;;; Copyright 2007  Ludovic Courtès <ludo@chbouib.org>
 ;;;
 ;;;
 ;;; This program is free software; you can redistribute it and/or modify
@@ -18,29 +19,43 @@
 ;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 ;;; USA.
 
-(define-skribe-module (skribilo package letter))
+(define-module (skribilo package letter)
+  :use-module (skribilo ast)
+  :use-module (skribilo engine)
+  :use-module (skribilo writer)
+  :use-module (skribilo lib)
+  :autoload   (skribilo output)          (output)
+  :autoload   (skribilo utils keywords)  (the-body the-options)
+  :use-module (skribilo package base)
+  :use-module (srfi srfi-1)
 
+  :use-module (skribilo utils syntax)
+  :use-module (ice-9 optargs))
+
+(fluid-set! current-reader %skribilo-module-reader)
+
+
 ;*---------------------------------------------------------------------*/
 ;*    document                                                         */
 ;*---------------------------------------------------------------------*/
 (define %letter-document document)
 
-(define-markup (document #!rest opt 
-		  #!key (ident #f) (class "letter") 
+(define-markup (document :rest opt
+		  :key (ident #f) (class "letter")
 		  where date author
 		  &skribe-eval-location)
    (let* ((ubody (the-body opt))
 	  (body (list (new markup
 			 (markup '&letter-where)
-			 (loc &skribe-eval-location)
+			 (loc &invocation-location)
 			 (options `((:where ,where)
 				    (:date ,date)
 				    (:author ,author))))
 		      ubody)))
       (apply %letter-document
-	     :author #f :title #f 
-	     (append (apply append 
-			    (the-options opt :where :date :author :title))
+	     :author #f :title #f
+	     (append (concatenate
+		      (the-options opt :where :date :author :title))
 		     body))))
 
 ;*---------------------------------------------------------------------*/
@@ -94,11 +109,11 @@
 				     ;; url
 				     (if url (row url)))))
 		    ;; emit the author
-		    (if a 
+		    (if a
 			(output a ne)
 			(output hd e))))
       :after "\\end{raggedright}\n\\vspace{1cm}\n\n"))
-		 
+
 ;*---------------------------------------------------------------------*/
 ;*    HTML configuration                                               */
 ;*---------------------------------------------------------------------*/
@@ -149,9 +164,7 @@
 				     ;; url
 				     (if url (row url)))))
 		    ;; emit the author
-		    (if a 
+		    (if a
 			(output a ne)
 			(output hd e))))
       :after "</table>\n<hr>\n\n"))
-		 
-
diff --git a/src/guile/skribilo/package/lncs.scm b/src/guile/skribilo/package/lncs.scm
index e0c935b..39c4cc4 100644
--- a/src/guile/skribilo/package/lncs.scm
+++ b/src/guile/skribilo/package/lncs.scm
@@ -36,6 +36,7 @@
   :use-module (skribilo utils syntax)
 
   :use-module (ice-9 optargs)
+  :use-module (srfi srfi-1)
   :use-module (srfi srfi-13)
 
   :export (abstract references))
@@ -95,28 +96,29 @@
 			      (cdr n))
 		    (display "}\n"))
 		 (let ((body (markup-body n)))
+                    (define (institute=? n1 n2)
+                      (let ((aff1 (markup-option n1 :affiliation))
+                            (add1 (markup-option n1 :address))
+                            (aff2 (markup-option n2 :affiliation))
+                            (add2 (markup-option n2 :address)))
+                        (and (equal? aff1 aff2) (equal? add1 add2))))
+                    (define (search-institute n i j)
+                      (cond
+                       ((null? i)
+                        #f)
+                       ((institute=? n (car i))
+                        j)
+                       (else
+                        (search-institute n (cdr i) (- j 1)))))
+
 		    (cond
 		       ((is-markup? body 'author)
 			(markup-option-add! n 'inst 1)
 			(&latex-author-1 body)
 			(&latex-inst-n (list body)))
 		       ((and (list? body)
-			     (every? (lambda (b) (is-markup? b 'author))
-				     body))
-			(define (institute=? n1 n2)
-			   (let ((aff1 (markup-option n1 :affiliation))
-				 (add1 (markup-option n1 :address))
-				 (aff2 (markup-option n2 :affiliation))
-				 (add2 (markup-option n2 :address)))
-			      (and (equal? aff1 aff2) (equal? add1 add2))))
-			(define (search-institute n i j)
-			   (cond
-			      ((null? i)
-			       #f)
-			      ((institute=? n (car i))
-			       j)
-			      (else
-			       (search-institute n (cdr i) (- j 1)))))
+			     (every (lambda (b) (is-markup? b 'author))
+                                    body))
 			(if (null? (cdr body))
 			    (begin
 			       (markup-option-add! (car body) 'inst 1)
@@ -155,7 +157,7 @@
 			  (inst (markup-option n 'inst)))
 		       (if name (output name e))
 		       (if title (output title e))
-		       (if inst (printf "\\inst{~a}\n" inst)))))))
+		       (if inst (format #t "\\inst{~a}\n" inst)))))))
 
 ;*---------------------------------------------------------------------*/
 ;*    HTML global customizations                                       */
@@ -178,6 +180,7 @@
          (new markup
             (markup 'lncs-abstract)
             (options (the-options opt))
+            (loc  &invocation-location)
             (body (the-body opt)))
          (let ((a (new markup
                      (markup '&html-lncs-abstract)
diff --git a/src/guile/skribilo/package/pie/lout.scm b/src/guile/skribilo/package/pie/lout.scm
index 61dbcb7..eb73729 100644
--- a/src/guile/skribilo/package/pie/lout.scm
+++ b/src/guile/skribilo/package/pie/lout.scm
@@ -1,6 +1,6 @@
 ;;; lout.scm  --  Lout implementation of the `pie' package.
 ;;;
-;;; Copyright 2005, 2006  Ludovic Courtès <ludovic.courtes@laas.fr>
+;;; Copyright 2005, 2006, 2007  Ludovic Courtès <ludovic.courtes@laas.fr>
 ;;;
 ;;;
 ;;; This program is free software; you can redistribute it and/or modify
@@ -26,9 +26,7 @@
   :use-module (skribilo engine)
   :use-module (skribilo lib)
   :use-module (skribilo utils syntax)
-  :use-module (skribilo utils keywords) ;; `the-options', etc.
-  :autoload   (skribilo engine lout) (lout-color-specification)
-  :use-module (ice-9 optargs))
+  :autoload   (skribilo engine lout) (lout-color-specification))
 
 (fluid-set! current-reader %skribilo-module-reader)
 
diff --git a/src/guile/skribilo/package/scribe.scm b/src/guile/skribilo/package/scribe.scm
index 902cdb5..388ef56 100644
--- a/src/guile/skribilo/package/scribe.scm
+++ b/src/guile/skribilo/package/scribe.scm
@@ -1,6 +1,7 @@
 ;;; scribe.scm  --  Scribe Compatibility kit
 ;;;
 ;;; Copyright 2003, 2004  Manuel Serrano
+;;; Copyright 2007  Ludovic Courtès <ludo@chbouib.org>
 ;;;
 ;;;
 ;;; This program is free software; you can redistribute it and/or modify
@@ -18,8 +19,42 @@
 ;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 ;;; USA.
 
-(define-skribe-module (skribilo package scribe))
+(define-module (skribilo package scribe)
+  :use-module (skribilo engine)
+  :autoload   (skribilo package base)   (chapter font flush
+                                         toc the-bibliography)
+  :autoload   (skribilo utils keywords) (the-options the-body)
+  :autoload   (skribilo evaluator)      (load-document)
+  :use-module (skribilo biblio)
 
+  :use-module (skribilo lib)
+  :use-module (skribilo utils syntax)
+
+  :use-module (ice-9 optargs)
+  :use-module (srfi srfi-1)
+  :use-module (srfi srfi-13)
+
+  :export (style chapter table-of-contents frame copyright sect euro
+           tab space print-bibliography linebreak ref make-index
+           print-index scribe-format? scribe-url prgm
+           *scribe-tex-predocument* latex-prelude html-prelude
+
+           *scribe-background* *scribe-foreground* *scribe-tbackground*
+           *scribe-tforeground* *scribe-title-font* *scribe-author-font*
+           *scribe-chapter-numbering* *scribe-footer* *scribe-prgm-color*))
+
+(fluid-set! current-reader %skribilo-module-reader)
+
+;;; Author: Manuel Serrano, Ludovic Courtès
+;;;
+;;; Commentary:
+;;;
+;;; Compatibility layer for Scribe, Skribe's predecessor.  See
+;;; http://www-sop.inria.fr/mimosa/fp/Scribe/ for details.
+;;;
+;;; Code:
+
+
 ;*---------------------------------------------------------------------*/
 ;*    style ...                                                        */
 ;*---------------------------------------------------------------------*/
@@ -30,7 +65,7 @@
 		      style)
 		     ((symbol? style)
 		      (string-append (symbol->string style) ".scr")))))
-	 (skribe-load name :engine *skribe-engine*)))
+	 (load-document name)))
    (for-each load-style styles))
 
 ;*---------------------------------------------------------------------*/
@@ -38,7 +73,7 @@
 ;*---------------------------------------------------------------------*/
 (define skribe-chapter chapter)
 
-(define-markup (chapter #!rest opt #!key title subtitle split number toc file)
+(define-markup (chapter :rest opt :key title subtitle split number toc file)
    (apply skribe-chapter 
 	  :title (or title subtitle)
 	  :number number
@@ -49,7 +84,8 @@
 ;*---------------------------------------------------------------------*/
 ;*    table-of-contents ...                                            */
 ;*---------------------------------------------------------------------*/
-(define-markup (table-of-contents #!rest opts #!key chapter section subsection)
+(define* (table-of-contents :key chapter section subsection
+                            :rest opts)
    (apply toc opts))
 
 ;*---------------------------------------------------------------------*/
@@ -57,7 +93,7 @@
 ;*---------------------------------------------------------------------*/
 (define skribe-frame frame)
 
-(define-markup (frame #!rest opt #!key width margin)
+(define-markup (frame :rest opt :key width margin)
    (apply skribe-frame 
 	  :width (if (real? width) (* 100 width) width)
 	  :margin margin
@@ -96,8 +132,8 @@
 ;*---------------------------------------------------------------------*/
 ;*    print-bibliography ...                                           */
 ;*---------------------------------------------------------------------*/
-(define-markup (print-bibliography #!rest opts 
-				   #!key all (sort bib-sort/authors))
+(define-markup (print-bibliography :rest opts 
+				   :key all (sort bib-sort/authors))
    (the-bibliography all sort))
 
 ;*---------------------------------------------------------------------*/
@@ -105,7 +141,7 @@
 ;*---------------------------------------------------------------------*/
 (define skribe-linebreak linebreak)
 
-(define-markup (linebreak . lnum)
+(define (linebreak . lnum)
    (cond
       ((null? lnum)
        (skribe-linebreak))
@@ -119,12 +155,12 @@
 ;*---------------------------------------------------------------------*/
 (define skribe-ref ref)
 
-(define-markup (ref #!rest opts 
-		    #!key scribe url id page figure mark 
-		    chapter section subsection subsubsection subsubsection
-		    bib bib+ number)
+(define* (ref :key scribe url id page figure mark
+              chapter section subsection subsubsection subsubsubsection
+              bib bib+ number
+              :rest opts)
    (let ((bd (the-body opts))
-	 (args (apply append (the-options opts :id))))
+	 (args (concatenate (the-options opts :id))))
       (if id (set! args (cons* :mark id args)))
       (if (pair? bd) (set! args (cons* :text bd args)))
       (apply skribe-ref args)))
@@ -138,12 +174,12 @@
 (define skribe-index index)
 (define skribe-make-index make-index)
 
-(define-markup (make-index index)
+(define (make-index index)
    (let ((i (skribe-make-index index)))
       (set! *scribe-indexes* (cons (cons index i) *scribe-indexes*))
       i))
 
-(define-markup (index #!rest opts #!key note index shape)
+(define* (index :key note index shape :rest opts)
    (let ((i (if (not index)
 		"theindex"
 		(let ((i (assoc index *scribe-indexes*)))
@@ -152,8 +188,8 @@
 		       (make-index index))))))
       (apply skribe-index :note note :index i :shape shape (the-body opts))))
 
-(define-markup (print-index #!rest opts 
-			    #!key split (char-offset 0) (header-limit 100))
+(define* (print-index :key split (char-offset 0) (header-limit 100)
+                      :rest opts)
    (apply the-index 
 	  :split split 
 	  :char-offset char-offset
@@ -173,7 +209,7 @@
 ;*---------------------------------------------------------------------*/
 ;*    scribe-url ...                                                   */
 ;*---------------------------------------------------------------------*/
-(define (scribe-url) (skribe-url))
+(define (scribe-url) "http://www.nongnu.org/skribilo/")
 
 ;*---------------------------------------------------------------------*/
 ;*    Various configurations                                           */
@@ -191,8 +227,8 @@
 ;*---------------------------------------------------------------------*/
 ;*    prgm ...                                                         */
 ;*---------------------------------------------------------------------*/
-(define-markup (prgm #!rest opts
-		     #!key lnum lnumwidth language bg frame (width 1.)
+(define-markup (prgm :rest opts
+		     :key lnum lnumwidth language bg frame (width 1.)
 		     colors (monospace #t))
    (let* ((w (cond
 		((real? width) (* width 100.))
@@ -236,5 +272,11 @@
 ;*---------------------------------------------------------------------*/
 ;*    prelude                                                          */
 ;*---------------------------------------------------------------------*/
-(let ((p (user-prelude)))
-   (user-prelude-set! (lambda (e) (p e) (latex-prelude e))))
+;; FIXME: I (Ludovic) guess `user-prelude' was supposed to be defined by user
+;; documents.  The issue is that the document's name space is not reachable
+;; from here.
+; (let ((p (user-prelude)))
+;    (user-prelude-set! (lambda (e) (p e) (latex-prelude e))))
+
+
+;;; scribe.scm ends here
diff --git a/src/guile/skribilo/package/sigplan.scm b/src/guile/skribilo/package/sigplan.scm
index 28d4e83..e1db670 100644
--- a/src/guile/skribilo/package/sigplan.scm
+++ b/src/guile/skribilo/package/sigplan.scm
@@ -1,6 +1,7 @@
 ;;; sigplan.scm  --  The Skribe style for ACMPROC articles.
 ;;;
 ;;; Copyright 2003, 2004  Manuel Serrano
+;;; Copyright 2007  Ludovic Courtès <ludo@chbouib.org>
 ;;;
 ;;;
 ;;; This program is free software; you can redistribute it and/or modify
@@ -18,8 +19,25 @@
 ;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 ;;; USA.
 
-(define-skribe-module (skribilo package sigplan))
+(define-module (skribilo package sigplan)
+  :use-module (skribilo ast)
+  :use-module (skribilo engine)
+  :use-module (skribilo writer)
+  :autoload   (skribilo output)          (output)
+  :autoload   (skribilo evaluator)       (evaluate-document)
+  :autoload   (skribilo lib)             (skribe-error)
+  :autoload   (skribilo utils keywords)  (the-body)
+  :use-module (skribilo package base)
+  :use-module (srfi srfi-1)
 
+  :use-module (skribilo utils syntax)
+  :use-module (ice-9 optargs)
+
+  :export (abstract references))
+
+(fluid-set! current-reader %skribilo-module-reader)
+
+
 ;*---------------------------------------------------------------------*/
 ;*    LaTeX global customizations                                      */
 ;*---------------------------------------------------------------------*/
@@ -31,8 +49,8 @@
    (markup-writer '&latex-author le
       :before (lambda (n e)
 		 (let ((body (markup-body n)))
-		    (printf "\\authorinfo{\n"
-			    (if (pair? body) (length body) 1))))
+		    (display "\\authorinfo{\n")
+                    (display (if (pair? body) (length body) 1))))
       :action (lambda (n e)
 		 (let ((body (markup-body n)))
 		    (for-each (lambda (a)
@@ -43,8 +61,8 @@
    ;; author
    (let ((old-author (markup-writer-get 'author le)))
       (markup-writer 'author le
-         :options (writer-options old-author)		     
-         :action (writer-action old-author)))
+	 :options (writer-options old-author)
+	 :action (writer-action old-author)))
    ;; ACM category, terms, and keywords
    (markup-writer '&acm-category le
       :options '(:index :section :subsection)
@@ -86,27 +104,33 @@
    (markup-writer '&html-acmproc-abstract he
       :action (lambda (n e)
 		 (let* ((ebg (engine-custom e 'abstract-background))
-			(bg (or (and (string? ebg) 
+			(bg (or (and (string? ebg)
 				     (> (string-length ebg) 0))
 				ebg
 				"#cccccc"))
-			(exp (p (center (color :bg bg :width 90. 
+			(exp (p (center (color :bg bg :width 90.
 					   (markup-body n))))))
-		    (skribe-eval exp e))))
+		    (evaluate-document exp e))))
    ;; ACM category, terms, and keywords
    (markup-writer '&acm-category :action #f)
    (markup-writer '&acm-terms :action #f)
    (markup-writer '&acm-keywords :action #f)
    (markup-writer '&acm-copyright :action #f))
-		 
+
+
+;;;
+;;; Markup.
+;;;
+
 ;*---------------------------------------------------------------------*/
 ;*    abstract ...                                                     */
 ;*---------------------------------------------------------------------*/
-(define-markup (abstract #!rest opt #!key postscript)
+(define-markup (abstract :rest opt :key postscript)
    (if (engine-format? "latex")
        (section :number #f :title "ABSTRACT" (p (the-body opt)))
        (let ((a (new markup
 		   (markup '&html-acmproc-abstract)
+                   (loc &invocation-location)
 		   (body (the-body opt)))))
 	  (list (if postscript
 		    (section :number #f :toc #f :title "Postscript download"
@@ -118,43 +142,46 @@
 ;*---------------------------------------------------------------------*/
 ;*    acm-category ...                                                 */
 ;*---------------------------------------------------------------------*/
-(define-markup (acm-category #!rest opt #!key index section subsection)
+(define-markup (acm-category :rest opt :key index section subsection)
    (new markup
       (markup '&acm-category)
+      (loc &invocation-location)
       (options (the-options opt))
       (body (the-body opt))))
 
 ;*---------------------------------------------------------------------*/
 ;*    acm-terms ...                                                    */
 ;*---------------------------------------------------------------------*/
-(define-markup (acm-terms #!rest opt)
+(define-markup (acm-terms :rest opt)
    (new markup
       (markup '&acm-terms)
+      (loc &invocation-location)
       (options (the-options opt))
       (body (the-body opt))))
 
 ;*---------------------------------------------------------------------*/
 ;*    acm-keywords ...                                                 */
 ;*---------------------------------------------------------------------*/
-(define-markup (acm-keywords #!rest opt)
+(define-markup (acm-keywords :rest opt)
    (new markup
       (markup '&acm-keywords)
+      (loc &invocation-location)
       (options (the-options opt))
       (body (the-body opt))))
 
 ;*---------------------------------------------------------------------*/
 ;*    acm-copyright ...                                                */
 ;*---------------------------------------------------------------------*/
-(define-markup (acm-copyright #!rest opt #!key conference location year crdata)
+(define-markup (acm-copyright :rest opt :key conference location year crdata)
    (let* ((le (find-engine 'latex))
-	  (cop (format "\\conferenceinfo{~a,} {~a}
+	  (cop (format #f "\\conferenceinfo{~a,} {~a}
 \\CopyrightYear{~a}
 \\crdata{~a}\n" conference location year crdata))
 	  (old (engine-custom le 'predocument)))
       (if (string? old)
 	  (engine-custom-set! le 'predocument (string-append cop old))
 	  (engine-custom-set! le 'predocument cop))))
-   
+
 ;*---------------------------------------------------------------------*/
 ;*    references ...                                                   */
 ;*---------------------------------------------------------------------*/
@@ -163,4 +190,4 @@
 	 (if (engine-format? "latex")
 	     (font :size -1 (flush :side 'left (the-bibliography)))
 	     (section :title "References"
-                      (font :size -1 (the-bibliography))))))
+		      (font :size -1 (the-bibliography))))))
diff --git a/src/guile/skribilo/package/skribe.scm b/src/guile/skribilo/package/skribe.scm
index 86969aa..4968653 100644
--- a/src/guile/skribilo/package/skribe.scm
+++ b/src/guile/skribilo/package/skribe.scm
@@ -18,10 +18,12 @@
 ;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 ;;; USA.
 
+;;; FIXME: This must be moved to the base package!
+
 ;*---------------------------------------------------------------------*/
 ;*    p ...                                                            */
 ;*---------------------------------------------------------------------*/
-(define-markup (p #!rest opt #!key ident (class #f) &skribe-eval-location)
+(define-markup (p :rest opt :key ident (class #f) &skribe-eval-location)
    (paragraph :ident ident :class class :loc &skribe-eval-location
       (the-body opt)))
 
@@ -45,7 +47,7 @@
 ;*    produces:                                                        */
 ;*       i) toto, ii) tutu, iii) titi.                                 */
 ;*---------------------------------------------------------------------*/
-(define-markup (counter #!rest opts #!key (numbering 'roman))
+(define-markup (counter :rest opts :key (numbering 'roman))
    (define items (if (eq? (car opts) :numbering) (cddr opts) opts))
    (define vroman '#(- "i" "ii" "iii" "iv" "v" "vi" "vii" "viii" "ix" "x"))
    (define (the-roman-number num)
@@ -77,7 +79,7 @@
 ;*---------------------------------------------------------------------*/
 ;*    q                                                                */
 ;*---------------------------------------------------------------------*/
-(define-markup (q #!rest opt)
+(define-markup (q :rest opt)
    (new markup
       (markup 'q)
       (options (the-options opt))
diff --git a/src/guile/skribilo/package/slide.scm b/src/guile/skribilo/package/slide.scm
index cb5edda..dd6519d 100644
--- a/src/guile/skribilo/package/slide.scm
+++ b/src/guile/skribilo/package/slide.scm
@@ -35,7 +35,7 @@
   :use-module (srfi srfi-1)
   :use-module (ice-9 optargs))
 
-(fluid-set! current-reader (make-reader 'skribe))
+(fluid-set! current-reader %skribilo-module-reader)
 
 
 
@@ -54,8 +54,8 @@
 ;*---------------------------------------------------------------------*/
 ;*    slide ...                                                        */
 ;*---------------------------------------------------------------------*/
-(define-markup (slide #!rest opt
-		      #!key
+(define-markup (slide :rest opt
+		      :key
 		      (ident #f) (class #f)
 		      (toc #t)
 		      title (number #t)
@@ -152,7 +152,7 @@
 ;*---------------------------------------------------------------------*/
 ;*    slide-vspace ...                                                 */
 ;*---------------------------------------------------------------------*/
-(define-markup (slide-vspace #!rest opt #!key (unit 'cm))
+(define-markup (slide-vspace :rest opt :key (unit 'cm))
    (new markup
       (markup 'slide-vspace)
       (loc &invocation-location)
@@ -162,8 +162,8 @@
 ;*---------------------------------------------------------------------*/
 ;*    slide-embed ...                                                  */
 ;*---------------------------------------------------------------------*/
-(define-markup (slide-embed #!rest opt
-			    #!key
+(define-markup (slide-embed :rest opt
+			    :key
 			    command
                             (arguments '())
 			    (geometry-opt "-geometry")
@@ -187,7 +187,7 @@
 ;*---------------------------------------------------------------------*/
 ;*    slide-record ...                                                 */
 ;*---------------------------------------------------------------------*/
-(define-markup (slide-record #!rest opt #!key ident class tag (play #t))
+(define-markup (slide-record :rest opt :key ident class tag (play #t))
    (if (not tag)
        (skribe-error 'slide-record "Tag missing" tag)
        (new markup
@@ -201,7 +201,7 @@
 ;*---------------------------------------------------------------------*/
 ;*    slide-play ...                                                   */
 ;*---------------------------------------------------------------------*/
-(define-markup (slide-play #!rest opt #!key ident class tag color)
+(define-markup (slide-play :rest opt :key ident class tag color)
    (if (not tag)
        (skribe-error 'slide-play "Tag missing" tag)
        (new markup
@@ -216,8 +216,8 @@
 ;*---------------------------------------------------------------------*/
 ;*    slide-play* ...                                                  */
 ;*---------------------------------------------------------------------*/
-(define-markup (slide-play* #!rest opt
-			    #!key ident class color (scolor "#000000"))
+(define-markup (slide-play* :rest opt
+			    :key ident class color (scolor "#000000"))
    (let ((body (the-body opt)))
       (for-each (lambda (lbl)
 		   (match-case lbl
@@ -248,8 +248,8 @@
 ;*---------------------------------------------------------------------*/
 ;*    slide-topic ...                                                  */
 ;*---------------------------------------------------------------------*/
-(define-markup (slide-topic #!rest opt
-			    #!key title (outline? #t)
+(define-markup (slide-topic :rest opt
+			    :key title (outline? #t)
                             (ident #f) (class #f))
    (new container
       (markup 'slide-topic)
@@ -264,8 +264,8 @@
 ;*---------------------------------------------------------------------*/
 ;*    slide-subtopic ...                                               */
 ;*---------------------------------------------------------------------*/
-(define-markup (slide-subtopic #!rest opt
-			       #!key title (outline? #f)
+(define-markup (slide-subtopic :rest opt
+			       :key title (outline? #f)
                                (ident #f) (class #f))
    (new container
       (markup 'slide-subtopic)
diff --git a/src/guile/skribilo/package/slide/base.scm b/src/guile/skribilo/package/slide/base.scm
index 1eeb25f..2532221 100644
--- a/src/guile/skribilo/package/slide/base.scm
+++ b/src/guile/skribilo/package/slide/base.scm
@@ -123,8 +123,7 @@
   ;; Produce an entry for `topic'.  Colorize it based on the fact
   ;; that the current topic is `current-topic' (it may need to be
   ;; hightlighted).
-  (let ((title (markup-option topic :title))
-        (current? (eq? topic current-topic)))
+  (let ((current? (eq? topic current-topic)))
     (color :fg (if current? "#000000" "#666666")
            (apply (if current? bold (lambda (x) x))
                   (list (markup-option topic :title))))))
diff --git a/src/guile/skribilo/package/slide/html.scm b/src/guile/skribilo/package/slide/html.scm
index 024e1fd..e8da8fb 100644
--- a/src/guile/skribilo/package/slide/html.scm
+++ b/src/guile/skribilo/package/slide/html.scm
@@ -30,7 +30,7 @@
   :autoload   (skribilo engine html) (html-width html-title-authors)
 
   :use-module (skribilo package slide)
-  :use-module ((skribilo package base) :select (ref))) 
+  :use-module (skribilo package base))
 
 
 (fluid-set! current-reader %skribilo-module-reader)
@@ -145,7 +145,6 @@
    :options '(:title :outline? :class :ident)
    :action (lambda (n e)
 	      (let ((title (markup-option n :title))
-		    (body (markup-body n))
                     (class (markup-class n)))
                  ;; top-level class
                  (if class (format #t "\n<div class=\"~a\">" class))
diff --git a/src/guile/skribilo/package/slide/latex.scm b/src/guile/skribilo/package/slide/latex.scm
index e187d3c..f80aaee 100644
--- a/src/guile/skribilo/package/slide/latex.scm
+++ b/src/guile/skribilo/package/slide/latex.scm
@@ -1,6 +1,7 @@
 ;;; latex.scm  --  LaTeX implementation of the `slide' package.
 ;;;
 ;;; Copyright 2003, 2004  Manuel Serrano
+;;; Copyright 2007  Ludovic Courtès <ludo@chbouib.org>
 ;;;
 ;;;
 ;;; This program is free software; you can redistribute it and/or modify
@@ -18,13 +19,33 @@
 ;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 ;;; USA.
 
-(define-skribe-module (skribilo package slide latex)
-  :use-module (skribilo package slide))
+(define-module (skribilo package slide latex)
+  :use-module (skribilo package slide)
+  :use-module (skribilo utils syntax)
 
+  :use-module (skribilo engine)
+  :use-module (skribilo writer)
+  :autoload   (skribilo output)        (output)
+  :use-module (skribilo ast)
+  :use-module (skribilo lib)
+  :autoload   (skribilo evaluator)     (evaluate-document)
+  :autoload   (skribilo engine latex)  (skribe-get-latex-color)
 
-(define-public %slide-latex-mode 'seminar)
+  :autoload   (ice-9 regex)            (string-match)
+  :use-module (ice-9 match)
+  :use-module (srfi srfi-11)
+  :use-module (srfi srfi-13)
+  :use-module (srfi srfi-39)
 
-(define-public (%slide-latex-initialize!)
+  :export (%slide-latex-mode %slide-latex-initialize! *slide-advi-scale*))
+
+
+(fluid-set! current-reader %skribilo-module-reader)
+
+
+(define %slide-latex-mode 'seminar)
+
+(define (%slide-latex-initialize!)
   (skribe-message "LaTeX slides setup...\n")
   (case %slide-latex-mode
     ((seminar)
@@ -36,7 +57,12 @@
     (else
      (skribe-error 'slide "Illegal latex mode" %slide-latex-mode))))
 
+(define string->integer string->number)
 
+(define *slide-advi-scale*
+  (make-parameter 1.0))
+
+
 ;*---------------------------------------------------------------------*/
 ;*    &slide-seminar-predocument ...                                   */
 ;*---------------------------------------------------------------------*/
@@ -92,7 +118,7 @@
       :action (lambda (n e)
 		 (display "\n\\vspace{")
 		 (output (markup-body n) e)
-		 (printf " ~a}\n\n" (markup-option n :unit))))
+		 (format #t " ~a}\n\n" (markup-option n :unit))))
    ;; slide-slide
    (markup-writer 'slide le
       :options '(:title :number :transition :vfill :toc :vspace :image)
@@ -136,14 +162,13 @@
 ;*---------------------------------------------------------------------*/
 (define (%slide-seminar-setup!)
    (skribe-message "Seminar slides setup...\n")
-   (let ((le (find-engine 'latex))
-	 (be (find-engine 'base)))
+   (let ((le (find-engine 'latex)))
       ;; 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)))
+	    (if nb (format #t "~a/~a -- " nb (slide-number)))
 	    (output t e)
 	    (display "\\hrule\n"))
 	 (output (markup-body n) e)
@@ -168,36 +193,29 @@
 ;*---------------------------------------------------------------------*/
 (define (%slide-advi-setup!)
    (skribe-message "Generating `Advi Seminar' slides...\n")
-   (let ((le (find-engine 'latex))
-	 (be (find-engine 'base)))
+   (let ((le (find-engine 'latex)))
       (define (advi-geometry geo)
-	 (let ((r (pregexp-match "([0-9]+)x([0-9]+)" geo)))
+	 (let ((r (string-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*))))
+		       (h (caddr r)))
 		   (values "" (string-append w "x" h "+!x+!y")))
-		(let ((r (pregexp-match "([0-9]+)x([0-9]+)[+](-?[0-9]+)[+](-?[0-9]+)" geo)))
+		(let ((r (string-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*)))
+						   (*slide-advi-scale*))))
 			     (h (number->string (/ (string->integer (caddr r))
-						   *skribe-slide-advi-scale*)))
-			     (x (cadddr r))
-			     (y (car (cddddr r))))
+						   (*slide-advi-scale*)))))
 			  (values (string-append "width=" w "cm,height=" h "cm")
 				  "!g"))
 		       (values "" geo))))))
       (define (advi-transition trans)
 	 (cond
 	    ((string? trans)
-	     (printf "\\advitransition{~s}" trans))
+	     (format #t "\\advitransition{~s}" trans))
 	    ((and (symbol? trans)
 		  (memq trans '(wipe block slide)))
-	     (printf "\\advitransition{~s}" trans))
+	     (format #t "\\advitransition{~s}" trans))
 	    (else
 	     #f)))
       ;; latex configuration
@@ -208,7 +226,7 @@
 	       (lt (markup-option n :transition))
 	       (gt (engine-custom e 'transition)))
 	    (if (and i (engine-custom e 'advi))
-		(printf "\\advibg[global]{image=~a}\n"
+		(format #t "\\advibg[global]{image=~a}\n"
 			(if (and (pair? i)
 				 (null? (cdr i))
 				 (string? (car i)))
@@ -216,7 +234,7 @@
 			    i)))
 	    (display "\\begin{slide}\n")
 	    (advi-transition (or lt gt))
-	    (if n (printf "~a/~a -- " n (slide-number)))
+	    (if n (format #t "~a/~a -- " n (slide-number)))
 	    (output t e)
 	    (display "\\hrule\n"))
 	 (output (markup-body n) e)
@@ -226,7 +244,7 @@
       (define (advi-record n e)
 	 (display "\\advirecord")
 	 (when (markup-option n :play) (display "[play]"))
-	 (printf "{~a}{" (markup-option n :tag))
+	 (format #t "{~a}{" (markup-option n :tag))
 	 (output (markup-body n) e)
 	 (display "}"))
       ;; advi play
@@ -237,7 +255,7 @@
 	       (display "[")
 	       (display (skribe-get-latex-color c))
 	       (display "]")))
-	 (printf "{~a}" (markup-option n :tag)))
+	 (format #t "{~a}" (markup-option n :tag)))
       ;; advi play*
       (define (advi-play* n e)
 	 (let ((c (skribe-get-latex-color (markup-option n :color)))
@@ -247,21 +265,21 @@
 	       (when last
 		  (display "\\adviplay[")
 		  (display d)
-		  (printf "]{~a}" last))
+		  (format #t "]{~a}" last))
 	       (when (pair? lbls)
 		  (let ((lbl (car lbls)))
-		     (match-case lbl
-			((?id ?col)
+		     (match lbl
+			((id col)
 			 (display "\\adviplay[")
 			 (display (skribe-get-latex-color col))
-			 (printf "]{" ~a "}" id)
-			 (skribe-eval (slide-pause) e)
+			 (display (string-append "]{" id "}"))
+			 (evaluate-document (slide-pause) e)
 			 (loop (cdr lbls) id))
 			(else
 			 (display "\\adviplay[")
 			 (display c)
-			 (printf "]{~a}" lbl)
-			 (skribe-eval (slide-pause) e)
+			 (format #t "]{~a}" lbl)
+			 (evaluate-document (slide-pause) e)
 			 (loop (cdr lbls) lbl))))))))
       (engine-custom-set! le 'documentclass
 	 "\\documentclass{seminar}\n")
@@ -295,8 +313,8 @@
 					       geometry-opt " "
 					       geometry))
 			       (rgeometry
-				(multiple-value-bind (aopt dopt)
-				   (advi-geometry rgeometry)
+				(let-values (((aopt dopt)
+                                              (advi-geometry rgeometry)))
 				   (set! a (string-append a "," aopt))
 				   (string-append cmd " "
 						  geometry-opt " "
@@ -306,7 +324,7 @@
 			 (c (if (and transient transient-opt)
 				(string-append c " " transient-opt " !p")
 				c)))
-		     (printf "\\adviembed[~a]{~a}\n" a c)))))
+		     (format #t "\\adviembed[~a]{~a}\n" a c)))))
       (set! &latex-record advi-record)
       (set! &latex-play advi-play)
       (set! &latex-play* advi-play*)))
@@ -317,31 +335,29 @@
 (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))
+	     (format #t "[~s]" trans))
 	    ((eq? trans 'slide)
-	     (printf "[Blinds]"))
+	     (display "[Blinds]"))
 	    ((and (symbol? trans)
 		  (memq trans '(split blinds box wipe dissolve glitter)))
-	     (printf "[~s]"
+	     (format #t "[~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))
+	 (let* ((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)))
+	    (if (>= lpa 1) (format #t "\\overlays{~a}{%\n" (+ 1 lpa)))
 	    (display "\\begin{slide}")
 	    (prosper-transition (or lt gt))
 	    (display "{")
@@ -368,7 +384,7 @@
       (set! &latex-pause
 	    (lambda (n e)
 	       (set! overlay-count (+ 1 overlay-count))
-	       (printf "\\FromSlide{~s}%\n" overlay-count)))))
+	       (format #t "\\FromSlide{~s}%\n" overlay-count)))))
 
 ;*---------------------------------------------------------------------*/
 ;*    Setup ...                                                        */
diff --git a/src/guile/skribilo/package/slide/lout.scm b/src/guile/skribilo/package/slide/lout.scm
index f3c9a61..c6e7f07 100644
--- a/src/guile/skribilo/package/slide/lout.scm
+++ b/src/guile/skribilo/package/slide/lout.scm
@@ -26,6 +26,7 @@
   :use-module (skribilo writer)
   :autoload   (skribilo output)        (output)
   :use-module (skribilo ast)
+  :autoload   (skribilo lib)           (skribe-error)
 
   :use-module (srfi srfi-13) ;; `string-join'
 
@@ -110,17 +111,16 @@
                      (args          (markup-option n :arguments))
                      (alt           (markup-option n :alt))
                      (geometry      (markup-option n :geometry))
-                     (geometry-opt  (markup-option n :geometry-opt))
-		     (filter (make-string-replace lout-verbatim-encoding)))
+                     (geometry-opt  (markup-option n :geometry-opt)))
                  (format #t "~%\"~a\" @SkribiloEmbed { "
                          (string-append command " "
                                         (if (and geometry-opt geometry)
                                             (string-append geometry-opt " "
                                                            geometry " ")
                                             "")
-                                        (string-join args " ")))
+                                        (string-join args)))
                  (output alt e)
-                 (format #t " }\n"))))
+                 (display " }\n"))))
 
   (markup-writer 'slide-pause le
      ;; FIXME:  Use a `pdfmark' custom action and a PDF transition action.