Started relying on the per-module reader; first doc produced ever!

First document compiled by Skribilo to HTML!

* src/guile/skribilo/module.scm (define-skribe-module):  Use the
  `#:reader' option of `define-module' (not yet integrated in Guile 1.7).

Plus lots of other things...

git-archimport-id: lcourtes@laas.fr--2005-mobile/skribilo--devel--1.2--patch-3

18 files changed, 216 insertions, 207 deletions

diff --git a/src/guile/README b/src/guile/README
index 1b9a6c4..4bd7eff 100644
--- a/src/guile/README
+++ b/src/guile/README
@@ -1,4 +1,4 @@
-Skribilo
+Skribilo                                                 -*- Outline -*-
 ========
 
 Skribilo is a port of Skribe to GNU Guile.
@@ -11,6 +11,8 @@ Here are a few goals.
 
 ** Better error handling, automatic back-traces, etc.
 
+** Add an option to continuously watch a file and re-compile it
+
 * Font-ends (readers)
 
 ** Implement a new front-end mechanism (see `(skribilo reader)')
diff --git a/src/guile/skribilo.scm b/src/guile/skribilo.scm
index ae21fab..a43ec66 100755
--- a/src/guile/skribilo.scm
+++ b/src/guile/skribilo.scm
@@ -59,10 +59,6 @@ exec ${GUILE-guile} --debug -l $0 -c "(apply $main (cdr (command-line)))" "$@"
 				     the-arg))))))))
 
 
-(set! %load-hook
-      (lambda (file)
-	(format #t "~~ loading `~a'...~%" file)))
-
 
 (define-module (skribilo))
 
@@ -415,6 +411,11 @@ Processes a Skribilo/Skribe source file and produces its output.
 
     (set-skribe-debug! (string->number debugging-level))
 
+    (if (> (skribe-debug) 4)
+	(set! %load-hook
+	      (lambda (file)
+		(format #t "~~ loading `~a'...~%" file))))
+
     (set! %skribilo-load-path
 	  (cons load-path %skribilo-load-path))
     (set! %skribilo-bib-path
@@ -426,9 +427,6 @@ Processes a Skribilo/Skribe source file and produces its output.
     ;; Load the user rc file
     ;(load-rc)
 
-    ;; load the basic Skribe modules
-    (load-skribe-modules)
-
     ;; Load the base file to bootstrap the system as well as the files
     ;; that are in the PRELOAD variable.
     (find-engine 'base)
@@ -442,24 +440,28 @@ Processes a Skribilo/Skribe source file and produces its output.
 	      (reverse! variants))
 
     (let ((files (option-ref options '() '())))
-      (if (null? files)
-	  (error "you must specify at least the input file" files))
+
       (if (> (length files) 2)
 	  (error "you can specify at most one input file and one output file"
 		 files))
 
-      (let* ((source-file (car files))
-	     (dest-file (if (null? (cdr files)) #f (cadr files)))
-	     (source-port (open-input-file source-file)))
+      (let* ((source-file (if (null? files) #f (car files)))
+	     (dest-file (if (or (not source-file)
+				(null? (cdr files)))
+			    #f
+			    (cadr files)))
+	     (do-it! (lambda ()
+		       (if (string? dest-file)
+			   (with-output-to-file dest-file doskribe)
+			   (doskribe)))))
 
 	(if (and dest-file (file-exists? dest-file))
 	    (delete-file dest-file))
 
-	(with-input-from-file source-file
-	  (lambda ()
-	    (if (string? dest-file)
-		(with-output-to-file dest-file doskribe)
-		(doskribe))))))))
+	(if source-file
+	    (with-input-from-file source-file
+	      do-it!)
+	    (do-it!))))))
 
 
 (define main skribilo)
diff --git a/src/guile/skribilo/biblio.scm b/src/guile/skribilo/biblio.scm
index d4a644e..f3ddf97 100644
--- a/src/guile/skribilo/biblio.scm
+++ b/src/guile/skribilo/biblio.scm
@@ -27,10 +27,11 @@
 
 
 (define-module (skribilo biblio)
-   :use-module (skribilo runtime)
-   :export (bib-tables? make-bib-table default-bib-table
-	    bib-load! resolve-bib resolve-the-bib
-	    bib-sort/authors bib-sort/idents bib-sort/dates))
+  :use-module (skribilo runtime)
+  :use-module (skribilo lib)      ;; `when', `unless'
+  :use-module (skribilo vars)
+  :export (bib-table? make-bib-table default-bib-table
+	   bib-add!))
 
 (define *bib-table*	     #f)
 
@@ -50,7 +51,7 @@
    (make-hash-table))
 
 (define (bib-table? obj)
-  (hashtable? obj))
+  (hash-table? obj))
 
 (define (default-bib-table)
   (unless *bib-table*
diff --git a/src/guile/skribilo/engine/html.scm b/src/guile/skribilo/engine/html.scm
index a20ea68..c85f18f 100644
--- a/src/guile/skribilo/engine/html.scm
+++ b/src/guile/skribilo/engine/html.scm
@@ -16,7 +16,8 @@
 ;*       @ref ../../doc/user/htmle.skb:ref@                            */
 ;*=====================================================================*/
 
-(define-skribe-module (skribilo engine html))
+(define-skribe-module (skribilo engine html)
+  #:use-module ((srfi srfi-19) :renamer (symbol-prefix-proc 's19:)))
 
 
 ;; Keep a reference to the base engine.
@@ -843,7 +844,9 @@
 						:url (skribilo-url))
 					   "."
 					   (linebreak)
-					   "Last update: " (date)))))
+					   "Last update: "
+					   (s19:date->string
+					    (s19:current-date))))))
 		      e))))
    :after "</div>\n")
 
diff --git a/src/guile/skribilo/evaluator.scm b/src/guile/skribilo/evaluator.scm
index b7e04c1..703186c 100644
--- a/src/guile/skribilo/evaluator.scm
+++ b/src/guile/skribilo/evaluator.scm
@@ -43,53 +43,6 @@
 	     (oop goops))
 
 
-
-;;; FIXME:  The following page must eventually go to `module.scm'.
-
-(define *skribilo-user-module* #f)
-
-(define *skribilo-user-imports*
-  '((srfi srfi-1)
-    (srfi srfi-13)
-    (oop goops)
-    (skribilo module)
-    (skribilo config)
-    (skribilo vars)
-    (skribilo runtime)
-    (skribilo biblio)
-    (skribilo lib)
-    (skribilo resolve)
-    (skribilo engine)
-    (skribilo writer)))
-
-(define *skribe-core-modules* ;;; FIXME:  From `module.scm'.
-  '("utils" "api" "bib" "index" "param" "sui"))
-
-;;;
-;;; MAKE-RUN-TIME-MODULE
-;;;
-(define-public (make-run-time-module)
-  "Return a new module that imports all the necessary bindings required for
-execution of Skribilo/Skribe code."
-  (let ((the-module (make-module)))
-        (for-each (lambda (iface)
-                    (module-use! the-module (resolve-module iface)))
-                  (append *skribilo-user-imports*
-			  (map (lambda (mod)
-				 `(skribilo skribe
-					    ,(string->symbol mod)))
-			       *skribe-core-modules*)))
-        (set-module-name! the-module '(skribilo-user))
-        the-module))
-
-;;;
-;;; RUN-TIME-MODULE
-;;;
-(define-public (run-time-module)
-  "Return the default instance of a Skribilo/Skribe run-time module."
-  (if (not *skribilo-user-module*)
-      (set! *skribilo-user-module* (make-run-time-module)))
-  *skribilo-user-module*)
 
 
 
diff --git a/src/guile/skribilo/lib.scm b/src/guile/skribilo/lib.scm
index bb41597..ef8ef8d 100644
--- a/src/guile/skribilo/lib.scm
+++ b/src/guile/skribilo/lib.scm
@@ -58,6 +58,7 @@
            hashtable-get hashtable-put! hashtable-update!
            hashtable->list
 
+	   skribe-read
            find-runtime-type)
 
   :export-syntax (new define-markup define-simple-markup
@@ -68,6 +69,8 @@
 
   :use-module (skribilo config)
   :use-module (skribilo types)
+  :use-module (skribilo reader)
+  :use-module (skribilo vars)
 
   :use-module (srfi srfi-1)
   :use-module (ice-9 optargs))
@@ -105,7 +108,7 @@
 
   (let ((name (car bindings))
 	(opts (cdr bindings)))
-    `(define* ,(cons name (fix-rest-arg opts)) ,@body)))
+    `(define*-public ,(cons name (fix-rest-arg opts)) ,@body)))
 
 
 ;;;
@@ -352,6 +355,11 @@
 ;;; Various things.
 ;;;
 
+(define %skribe-reader (make-reader 'skribe))
+
+(define* (skribe-read #:optional (port (current-input-port)))
+  (%skribe-reader port))
+
 (define (%procedure-arity proc)
     (car (procedure-property proc 'arity)))
 
diff --git a/src/guile/skribilo/module.scm b/src/guile/skribilo/module.scm
index 50c7b23..854c50d 100644
--- a/src/guile/skribilo/module.scm
+++ b/src/guile/skribilo/module.scm
@@ -22,6 +22,7 @@
   :use-module (skribilo reader)
   :use-module (skribilo evaluator)
   :use-module (skribilo debug)
+  :use-module (srfi srfi-1)
   :use-module (ice-9 optargs))
 
 ;;; Author:  Ludovic Courtès
@@ -36,47 +37,47 @@
 ;;;
 ;;; Code:
 
-(define-macro (define-skribe-module name)
+(define *skribilo-user-imports*
+  ;; List of modules that should be imported by any good Skribilo module.
+  '((srfi srfi-1)         ;; lists
+    (srfi srfi-13)        ;; strings
+    ;(srfi srfi-19)        ;; date and time
+    (oop goops)           ;; `make'
+    (ice-9 optargs)       ;; `define*'
+
+    (skribilo module)
+    (skribilo types)      ;; `<document>', `document?', etc.
+    (skribilo config)
+    (skribilo vars)
+    (skribilo runtime)    ;; `the-options', `the-body'
+    (skribilo biblio)
+    (skribilo lib)        ;; `define-markup', `unwind-protect', etc.
+    (skribilo resolve)
+    (skribilo engine)
+    (skribilo writer)
+    (skribilo output)
+    (skribilo evaluator)))
+
+(define *skribe-core-modules*
+  '("utils" "api" "bib" "index" "param" "sui"))
+
+(define-macro (define-skribe-module name . options)
   `(begin
-     (define-module ,name)
+     (define-module ,name
+       #:reader (make-reader 'skribe)
+       #:use-module (skribilo reader)
+       ,@options)
 
      ;; Pull all the bindings that Skribe code may expect, plus those needed
      ;; to actually create and read the module.
-     (use-modules (skribilo module)
-                  (skribilo reader)
-                  (skribilo evaluator)   ;; `run-time-module'
-                  (skribilo engine)
-		  (skribilo writer)
-                  (skribilo types)
-
-                  (srfi srfi-1)
-                  (ice-9 optargs)
-
-                  (skribilo lib) ;; `define-markup', `unwind-protect', etc.
-                  (skribilo runtime)
-                  (skribilo vars)
-                  (skribilo config))
-
-
-     ;; The `define' below results in a module-local definition.  So the
-     ;; definition of `read' in the `(guile-user)' module is left untouched.
-     ;(define read ,(make-reader 'skribe))
-
-     ;; Everything is exported.
-;      (define-macro (define . things)
-;        (let* ((first (car things))
-;               (binding (cond ((symbol? first) first)
-;                              ((list? first)   (car first))
-;                              ((pair? first)   (car first))
-;                              (else
-;                               (error "define/skribe: bad formals" first)))))
-;          `(begin
-;             (define-public ,@things)
-;             ;; Automatically push it to the run-time user module.
-; ;             (module-define! ,(run-time-module)
-; ;                             (quote ,binding) ,binding)
-;             )))
-     ))
+     ,(cons 'use-modules
+	    (append *skribilo-user-imports*
+		    (filter-map (lambda (mod)
+				  (let ((m `(skribilo skribe
+						      ,(string->symbol
+							mod))))
+				    (and (not (equal? m name)) m)))
+				*skribe-core-modules*)))))
 
 
 ;; Make it available to the top-level module.
@@ -84,9 +85,35 @@
                 'define-skribe-module define-skribe-module)
 
 
-(define-public *skribe-core-modules*
-  '("utils" "api" "bib" "index" "param" "sui"))
 
+
+(define *skribilo-user-module* #f)
+
+;;;
+;;; MAKE-RUN-TIME-MODULE
+;;;
+(define-public (make-run-time-module)
+  "Return a new module that imports all the necessary bindings required for
+execution of Skribilo/Skribe code."
+  (let ((the-module (make-module)))
+        (for-each (lambda (iface)
+                    (module-use! the-module (resolve-module iface)))
+                  (append *skribilo-user-imports*
+			  (map (lambda (mod)
+				 `(skribilo skribe
+					    ,(string->symbol mod)))
+			       *skribe-core-modules*)))
+        (set-module-name! the-module '(skribilo-user))
+        the-module))
+
+;;;
+;;; RUN-TIME-MODULE
+;;;
+(define-public (run-time-module)
+  "Return the default instance of a Skribilo/Skribe run-time module."
+  (if (not *skribilo-user-module*)
+      (set! *skribilo-user-module* (make-run-time-module)))
+  *skribilo-user-module*)
 
 
 ;; FIXME:  This will eventually be replaced by the per-module reader thing in
diff --git a/src/guile/skribilo/output.scm b/src/guile/skribilo/output.scm
index eeff397..8a63a48 100644
--- a/src/guile/skribilo/output.scm
+++ b/src/guile/skribilo/output.scm
@@ -31,6 +31,7 @@
 	     (skribilo types)
 ;	     (skribilo engine)
 	     (skribilo writer)
+	     (skribilo lib)    ;; `when', `unless'
 	     (oop goops))
 
 
@@ -60,10 +61,10 @@
 	   (%out/writer node e (car writer)))
 	  ((not (car writer))
 	   (skribe-error 'output
-			 (format "Illegal ~A user writer" (engine-ident e))
+			 (format #f "illegal ~A user writer" (engine-ident e))
 			 (if (markup? node) (markup-markup node) node)))
 	  (else
-	   (skribe-error 'output "Illegal user writer" (car writer)))))))
+	   (skribe-error 'output "illegal user writer" (car writer)))))))
 
 
 ;;;
@@ -74,7 +75,7 @@
 
 
 (define-method (out (node <pair>) e)
-  (let Loop ((n* node))
+  (let loop ((n* node))
     (cond
       ((pair? n*)
        (out (car n*) e)
diff --git a/src/guile/skribilo/resolve.scm b/src/guile/skribilo/resolve.scm
index e59a2f8..14f36b2 100644
--- a/src/guile/skribilo/resolve.scm
+++ b/src/guile/skribilo/resolve.scm
@@ -1,24 +1,24 @@
 ;;;;
 ;;;; resolve.stk	-- Skribe Resolve Stage
-;;;; 
+;;;;
 ;;;; Copyright © 2003-2004 Erick Gallesio - I3S-CNRS/ESSI <eg@unice.fr>
-;;;; 
-;;;; 
+;;;;
+;;;;
 ;;;; This program is free software; you can redistribute it and/or modify
 ;;;; it under the terms of the GNU General Public License as published by
 ;;;; the Free Software Foundation; either version 2 of the License, or
 ;;;; (at your option) any later version.
-;;;; 
+;;;;
 ;;;; This program is distributed in the hope that it will be useful,
 ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
 ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 ;;;; GNU General Public License for more details.
-;;;; 
+;;;;
 ;;;; You should have received a copy of the GNU General Public License
 ;;;; along with this program; if not, write to the Free Software
-;;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 
+;;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
 ;;;; USA.
-;;;; 
+;;;;
 ;;;;           Author: Erick Gallesio [eg@essi.fr]
 ;;;;    Creation date: 13-Aug-2003 18:39 (eg)
 ;;;; Last file update: 17-Feb-2004 14:43 (eg)
@@ -28,6 +28,7 @@
   :use-module (skribilo debug)
   :use-module (skribilo runtime)
   :use-module (skribilo types)
+  :use-module (skribilo lib)  ;; `unless' and `when'
 
   :use-module (oop goops)
 
@@ -62,7 +63,7 @@
 
 ;;;; ======================================================================
 ;;;;
-;;;; 				D O - R E S O L V E !
+;;;;				D O - R E S O L V E !
 ;;;;
 ;;;; ======================================================================
 
@@ -195,10 +196,10 @@
        (debug-item "parent=" p " "
 		   (if (is-a? p 'markup) (slot-ref p 'markup) "???"))
        (cond
-	 ((pred p)	 	 p)				
+	 ((pred p)		 p)
 	 ((is-a? p <unresolved>) p)
 	 ((not p)		 #f)
-	 (else 			 (resolve-search-parent p e pred))))))
+	 (else			 (resolve-search-parent p e pred))))))
 
 ;;;; ======================================================================
 ;;;;
@@ -231,7 +232,7 @@
 	    (else
 	     (set-car! (cdr c) (+ 1 num))
 	     (+ 1 num)))))))
-  
+
 ;;;; ======================================================================
 ;;;;
 ;;;; RESOLVE-IDENT
@@ -259,4 +260,3 @@
 			 (car mks))
 			(else
 			 (loop (cdr mks)))))))))))
-
diff --git a/src/guile/skribilo/runtime.scm b/src/guile/skribilo/runtime.scm
index 2642f7e..1f411dc 100644
--- a/src/guile/skribilo/runtime.scm
+++ b/src/guile/skribilo/runtime.scm
@@ -27,6 +27,7 @@
 (define-module (skribilo runtime)
   :export (;; Utilities
 	   strip-ref-base ast->file-location string-canonicalize
+	   the-options the-body
 
 	   ;; Markup functions
 	   markup-option markup-option-add! markup-output
@@ -49,6 +50,8 @@
 	     (skribilo resolve)
 	     (skribilo output)
 	     (skribilo evaluator)
+	     (skribilo vars)
+	     (srfi srfi-13)
 	     (oop goops))
 
 
@@ -253,10 +256,10 @@
   ;; The general version
   (lambda (str)
     (let ((out (open-output-string)))
-      (dotimes (i (string-length str))
-	(let* ((ch  (string-ref str i))
-	       (res (assq ch lst)))
-	  (display (if res (cadr res) ch) out)))
+      (string-for-each (lambda (ch)
+			 (let ((res (assq ch lst)))
+			   (display (if res (cadr res) ch) out)))
+		       str)
       (get-output-string out))))
 
 (define string->html
@@ -414,48 +417,49 @@
 ;;NEW	     '()))))))
 ;;NEW
 
-;;NEW ;;;; ======================================================================
-;;NEW ;;;;
-;;NEW ;;;;		M A R K U P   A R G U M E N T   P A R S I N G
-;;NEW ;;;
-;;NEW ;;;; ======================================================================
-;;NEW (define (the-body opt)
-;;NEW   ;; Filter out the options
-;;NEW   (let loop ((opt* opt)
-;;NEW	     (res '()))
-;;NEW     (cond
-;;NEW       ((null? opt*)
-;;NEW        (reverse! res))
-;;NEW       ((not (pair? opt*))
-;;NEW        (skribe-error 'the-body "Illegal body" opt))
-;;NEW       ((keyword? (car opt*))
-;;NEW        (if (null? (cdr opt*))
-;;NEW	   (skribe-error 'the-body "Illegal option" (car opt*))
-;;NEW	   (loop (cddr opt*) res)))
-;;NEW       (else
-;;NEW        (loop (cdr opt*) (cons (car opt*) res))))))
-;;NEW
-;;NEW
-;;NEW
-;;NEW (define (the-options opt+ . out)
-;;NEW   ;; Returns an list made of options.The OUT argument contains
-;;NEW   ;; keywords that are filtered out.
-;;NEW   (let loop ((opt* opt+)
-;;NEW	     (res '()))
-;;NEW     (cond
-;;NEW       ((null? opt*)
-;;NEW        (reverse! res))
-;;NEW       ((not (pair? opt*))
-;;NEW        (skribe-error 'the-options "Illegal options" opt*))
-;;NEW       ((keyword? (car opt*))
-;;NEW        (cond
-;;NEW	 ((null? (cdr opt*))
-;;NEW	  (skribe-error 'the-options "Illegal option" (car opt*)))
-;;NEW	 ((memq (car opt*) out)
-;;NEW	  (loop (cdr opt*) res))
-;;NEW	 (else
-;;NEW	  (loop (cdr opt*)
-;;NEW		(cons (list (car opt*) (cadr opt*)) res)))))
-;;NEW       (else
-;;NEW        (loop (cdr opt*) res)))))
-;;NEW
+
+;;;; ======================================================================
+;;;;
+;;;;		M A R K U P   A R G U M E N T   P A R S I N G
+;;;;
+;;;; ======================================================================
+(define (the-body opt)
+  ;; Filter out the options
+  (let loop ((opt* opt)
+	     (res '()))
+    (cond
+     ((null? opt*)
+      (reverse! res))
+     ((not (pair? opt*))
+      (skribe-error 'the-body "Illegal body" opt))
+     ((keyword? (car opt*))
+      (if (null? (cdr opt*))
+	  (skribe-error 'the-body "Illegal option" (car opt*))
+	  (loop (cddr opt*) res)))
+     (else
+      (loop (cdr opt*) (cons (car opt*) res))))))
+
+
+
+(define (the-options opt+ . out)
+  ;; Returns an list made of options.The OUT argument contains
+  ;; keywords that are filtered out.
+  (let loop ((opt* opt+)
+	     (res '()))
+    (cond
+     ((null? opt*)
+      (reverse! res))
+     ((not (pair? opt*))
+      (skribe-error 'the-options "Illegal options" opt*))
+     ((keyword? (car opt*))
+      (cond
+       ((null? (cdr opt*))
+	(skribe-error 'the-options "Illegal option" (car opt*)))
+       ((memq (car opt*) out)
+	(loop (cdr opt*) res))
+       (else
+	(loop (cdr opt*)
+	      (cons (list (car opt*) (cadr opt*)) res)))))
+     (else
+      (loop (cdr opt*) res)))))
+
diff --git a/src/guile/skribilo/skribe/api.scm b/src/guile/skribilo/skribe/api.scm
index 2828908..e7ba4a6 100644
--- a/src/guile/skribilo/skribe/api.scm
+++ b/src/guile/skribilo/skribe/api.scm
@@ -253,6 +253,7 @@
 ;*    paragraph ...                                                    */
 ;*---------------------------------------------------------------------*/
 (define-simple-markup paragraph)
+(define-public p      paragraph)
 
 ;*---------------------------------------------------------------------*/
 ;*    footnote ...                                                     */
diff --git a/src/guile/skribilo/skribe/bib.scm b/src/guile/skribilo/skribe/bib.scm
index f1a32c1..2ec5c0b 100644
--- a/src/guile/skribilo/skribe/bib.scm
+++ b/src/guile/skribilo/skribe/bib.scm
@@ -32,7 +32,6 @@
 ;;; The contents of the file below are unchanged compared to Skribe 1.2d's
 ;;; `bib.scm' file found in the `common' directory.
 
-
 ;*---------------------------------------------------------------------*/
 ;*    bib-load! ...                                                    */
 ;*---------------------------------------------------------------------*/
diff --git a/src/guile/skribilo/skribe/utils.scm b/src/guile/skribilo/skribe/utils.scm
index f963020..b2a5cfb 100644
--- a/src/guile/skribilo/skribe/utils.scm
+++ b/src/guile/skribilo/skribe/utils.scm
@@ -19,7 +19,8 @@
 ;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
 ;;; USA.
 
-(define-skribe-module (skribilo skribe utils))
+(define-skribe-module (skribilo skribe utils)
+  #:export (ast-document))
 
 ;;; Author:  Manuel Serrano
 ;;; Commentary:
diff --git a/src/guile/skribilo/source.scm b/src/guile/skribilo/source.scm
index 1e88d45..c682687 100644
--- a/src/guile/skribilo/source.scm
+++ b/src/guile/skribilo/source.scm
@@ -1,24 +1,24 @@
 ;;;;
 ;;;; source.stk	-- Skibe SOURCE implementation stuff
-;;;; 
+;;;;
 ;;;; Copyright © 2003-2004 Erick Gallesio - I3S-CNRS/ESSI <eg@essi.fr>
-;;;; 
-;;;; 
+;;;;
+;;;;
 ;;;; This program is free software; you can redistribute it and/or modify
 ;;;; it under the terms of the GNU General Public License as published by
 ;;;; the Free Software Foundation; either version 2 of the License, or
 ;;;; (at your option) any later version.
-;;;; 
+;;;;
 ;;;; This program is distributed in the hope that it will be useful,
 ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
 ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 ;;;; GNU General Public License for more details.
-;;;; 
+;;;;
 ;;;; You should have received a copy of the GNU General Public License
 ;;;; along with this program; if not, write to the Free Software
-;;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 
+;;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
 ;;;; USA.
-;;;; 
+;;;;
 ;;;;           Author: Erick Gallesio [eg@essi.fr]
 ;;;;    Creation date:  3-Sep-2003 12:22 (eg)
 ;;;; Last file update: 27-Oct-2004 20:09 (eg)
@@ -27,7 +27,8 @@
 
 
 (define-module (skribilo source)
-   :export (source-read-lines source-read-definition source-fontify))
+  :export (source-read-lines source-read-definition source-fontify)
+  :use-module (skribilo vars))
 
 
 ;; Temporary solution
@@ -187,4 +188,3 @@
 		       (cons* 'eol (substring str j i) r))))
 	    (else
 	     (loop (+ i 1) j r))))))
-
diff --git a/src/guile/skribilo/types.scm b/src/guile/skribilo/types.scm
index 0d51c70..0893587 100644
--- a/src/guile/skribilo/types.scm
+++ b/src/guile/skribilo/types.scm
@@ -33,10 +33,12 @@
 	    <node> node? node-options node-loc
 	    <engine> engine? engine-ident engine-format engine-customs
 		     engine-filter engine-symbol-table
-	    <writer> writer? write-object
+	    <writer> writer? write-object writer-options writer-ident
+	             writer-before writer-action writer-after
 	    <processor> processor? processor-combinator processor-engine
 	    <markup> markup? bind-markup! markup-options is-markup?
-		     markup-body find-markups write-object
+		     markup-markup markup-body markup-ident markup-class
+		     find-markups write-object
 	    <container> container? container-options
 			container-ident container-body
 	    <document> document? document-ident document-body
diff --git a/src/guile/skribilo/vars.scm b/src/guile/skribilo/vars.scm
index 51a7ee7..7e75e0f 100644
--- a/src/guile/skribilo/vars.scm
+++ b/src/guile/skribilo/vars.scm
@@ -21,7 +21,8 @@
 ;;; USA.
 
 
-(define-module (skribilo vars))
+(define-module (skribilo vars)
+  #:use-module (srfi srfi-17))
 
 ;;;
 ;;; Switches
@@ -30,6 +31,11 @@
 (define-public *skribe-warning*	5)
 (define-public *load-rc*		#t)
 
+(define-public skribe-debug
+  (let ((level 0))
+    (getter-with-setter (lambda () level)
+			(lambda (val) (set! level val)))))
+
 ;;;
 ;;; PATH variables
 ;;;
diff --git a/src/guile/skribilo/verify.scm b/src/guile/skribilo/verify.scm
index 93a1be3..1ff0b5b 100644
--- a/src/guile/skribilo/verify.scm
+++ b/src/guile/skribilo/verify.scm
@@ -1,24 +1,24 @@
 ;;;;
 ;;;; verify.stk				-- Skribe Verification Stage
-;;;; 
+;;;;
 ;;;; Copyright © 2003-2004 Erick Gallesio - I3S-CNRS/ESSI <eg@unice.fr>
-;;;; 
-;;;; 
+;;;;
+;;;;
 ;;;; This program is free software; you can redistribute it and/or modify
 ;;;; it under the terms of the GNU General Public License as published by
 ;;;; the Free Software Foundation; either version 2 of the License, or
 ;;;; (at your option) any later version.
-;;;; 
+;;;;
 ;;;; This program is distributed in the hope that it will be useful,
 ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
 ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 ;;;; GNU General Public License for more details.
-;;;; 
+;;;;
 ;;;; You should have received a copy of the GNU General Public License
 ;;;; along with this program; if not, write to the Free Software
-;;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 
+;;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
 ;;;; USA.
-;;;; 
+;;;;
 ;;;;           Author: Erick Gallesio [eg@essi.fr]
 ;;;;    Creation date: 13-Aug-2003 11:57 (eg)
 ;;;; Last file update: 27-Oct-2004 16:35 (eg)
@@ -29,9 +29,10 @@
 
 (use-modules (skribilo debug)
 ;	     (skribilo engine)
-;	     (skribilo writer)
+	     (skribilo writer)
 ;	     (skribilo runtime)
 	     (skribilo types)
+	     (skribilo lib)     ;; `when', `unless'
 	     (oop goops))
 
 
@@ -61,16 +62,16 @@
 ;;; CHECK-OPTIONS
 ;;;
 (define (check-options lopts markup engine)
-  
+
   ;;  Only keywords are checked, symbols are voluntary left unchecked. */
   (with-debug 6 'check-options
       (debug-item "markup="  (markup-markup markup))
       (debug-item "options=" (slot-ref markup 'options))
       (debug-item "lopts="   lopts)
       (for-each
-          (lambda (o2)
+	  (lambda (o2)
 	    (for-each
-	        (lambda (o)
+		(lambda (o)
 		  (if (and (keyword? o)
 			   (not (eq? o :&skribe-eval-location))
 			   (not (memq o lopts)))
@@ -85,11 +86,11 @@
 			       (markup-option markup o)))))
 		o2))
 	  (slot-ref markup 'options))))
-  
+
 
 ;;; ======================================================================
 ;;;
-;;; 				V E R I F Y
+;;;				V E R I F Y
 ;;;
 ;;; ======================================================================
 
@@ -124,7 +125,7 @@
   (with-debug 5 'verify::<markup>
      (debug-item "node="    (markup-markup node))
      (debug-item "options=" (slot-ref node 'options))
-     (debug-item "e=" 	    (engine-ident e))
+     (debug-item "e="	    (engine-ident e))
 
      (next-method)
 
@@ -157,5 +158,3 @@
 	    (slot-ref e 'customs))
 
    node)
-  
-
diff --git a/src/guile/skribilo/writer.scm b/src/guile/skribilo/writer.scm
index 70ba817..eeefe8b 100644
--- a/src/guile/skribilo/writer.scm
+++ b/src/guile/skribilo/writer.scm
@@ -64,7 +64,7 @@
 (define (lookup-markup-writer node e)
   (let ((writers (slot-ref e 'writers))
 	(delegate (slot-ref e 'delegate)))
-    (let Loop ((w* writers))
+    (let loop ((w* writers))
       (cond
 	((pair? w*)
 	   (let ((pred (slot-ref (car w*) 'pred)))