diff --git a/extra/faq/faq.factor b/extra/faq/faq.factor
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+! Copyright (C) 2007 Daniel Ehrenberg
+! See http://factorcode.org/license.txt for BSD license.
+USING: xml kernel sequences xml.utilities combinators.lib
+math xml.data arrays assocs xml.generator namespaces math.parser ;
+IN: faq
+
+: find-after ( seq quot -- elem after )
+    over >r find r> rot 1+ tail ; inline
+
+: tag-named? ( tag name -- ? )
+    assure-name swap (get-tag) ;
+
+! Questions
+TUPLE: q/a question answer ;
+C: <q/a> q/a
+
+: li>q/a ( li -- q/a )
+    [ "br" tag-named? not ] subset
+    [ "strong" tag-named? ] find-after
+    >r tag-children r> <q/a> ;
+
+: q/a>li ( q/a -- li )
+    [ q/a-question "strong" build-tag* f "br" build-tag* 2array ] keep
+    q/a-answer append "li" build-tag* ;
+
+: xml>q/a ( xml -- q/a )
+    [ "question" tag-named tag-children ] keep
+    "answer" tag-named tag-children <q/a> ;
+
+: q/a>xml ( q/a -- xml )
+    [ q/a-question "question" build-tag* ] keep
+    q/a-answer "answer" build-tag*
+    "\n" swap 3array "qa" build-tag* ;
+
+! Lists of questions
+TUPLE: question-list title seq ;
+C: <question-list> question-list
+
+: xml>question-list ( list -- question-list )
+    [ "title" swap at ] keep
+    tag-children [ tag? ] subset [ xml>q/a ] map
+    <question-list> ;
+
+: question-list>xml ( question-list -- list )
+    [ question-list-seq [ q/a>xml "\n" swap 2array ]
+      map concat "list" build-tag* ] keep
+    question-list-title [ "title" pick set-at ] when* ;
+
+: html>question-list ( h3 ol -- question-list )
+    >r [ children>string ] [ f ] if* r>
+    children-tags [ li>q/a ] map <question-list> ;
+
+: question-list>h3 ( id question-list -- h3 )
+    question-list-title [
+        "h3" build-tag
+        swap number>string "id" pick set-at
+    ] [ drop f ] if* ;
+
+: question-list>html ( question-list start id -- h3/f ol )
+    -rot >r [ question-list>h3 ] keep
+    question-list-seq [ q/a>li ] map "ol" build-tag* r>
+    number>string "start" pick set-at
+    "margin-left: 5em" "style" pick set-at ;
+
+! Overall everything
+TUPLE: faq header lists ;
+C: <faq> faq
+
+: html>faq ( div -- faq )
+    unclip swap { "h3" "ol" } [ tags-named ] curry* map
+    first2 >r f add* r> [ html>question-list ] 2map <faq> ;
+
+: header, ( faq -- )
+    dup faq-header ,
+    faq-lists first 1 -1 question-list>html nip , ;
+
+: br, ( -- )
+    "br" contained, nl, ;
+
+: toc-link, ( question-list number -- )
+    number>string "#" swap append "href" swap 2array 1array
+    "a" swap [ question-list-title , ] tag*, br, ;
+
+: toc, ( faq -- )
+    "div" { { "style" "background-color: #eee; margin-left: 30%; margin-right: 30%; width: auto; padding: 5px; margin-top: 1em; margin-bottom: 1em" } } [
+        "strong" [ "The big questions" , ] tag, br,
+        faq-lists 1 tail dup length [ toc-link, ] 2each
+    ] tag*, ;
+
+: faq-sections, ( question-lists -- )
+    unclip question-list-seq length 1+ dupd
+    [ question-list-seq length + ] accumulate nip
+    0 -rot [ pick question-list>html [ , nl, ] 2apply 1+ ] 2each drop ;
+
+: faq>html ( faq -- div )
+    "div" [
+        dup header,
+        dup toc,
+        faq-lists faq-sections,
+    ] make-xml ;
+
+: xml>faq ( xml -- faq )
+    [ "header" tag-named children>string ] keep
+    "list" tags-named [ xml>question-list ] map <faq> ;
+
+: faq>xml ( faq -- xml )
+    "faq" [
+        "header" [ dup faq-header , ] tag,
+        faq-lists [ question-list>xml , nl, ] each
+    ] make-xml ;