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219 lines
6.8 KiB
Plaintext
219 lines
6.8 KiB
Plaintext
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;; $Id$
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;;
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;; This file is part of the Modular DocBook Stylesheet distribution.
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;; See ../README or http://www.berkshire.net/~norm/dsssl/
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;;
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(define ($inpre$)
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(let ((wrapper (ancestor-member (current-node)
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(list (normalize "address")
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(normalize "funcsynopsisinfo")
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(normalize "literallayout")
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(normalize "programlisting")
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(normalize "screen")
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(normalize "synopsis")))))
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(if (or (and (equal? wrapper "literallayout")
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(not (equal? (attribute-string "class" wrapper)
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(normalize "monospaced"))))
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(equal? wrapper "address"))
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#f
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#t)))
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(define ($format-indent$ indent)
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;; This code is made complex by the fact that we need an additional
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;; wrapper and we have to translate spaces into nbsp entity-refs,
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;; if we aren't in a PRE.
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;;
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(if ($inpre$)
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(literal indent)
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(make element gi: "CODE"
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($sp-to-nbsp-sosofo$ indent))))
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(define ($format-linenumber$ linenumber)
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;; This code is made complex by the fact that we need an additional
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;; wrapper and we have to translate spaces into nbsp entity-refs,
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;; if we aren't in a PRE.
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;;
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(if (equal? (remainder linenumber %linenumber-mod%) 0)
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(if ($inpre$)
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(make sequence
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(literal (pad-string (format-number linenumber "1")
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%linenumber-length% %linenumber-padchar%))
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($linenumber-space$))
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(make element gi: "CODE"
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($sp-to-nbsp-sosofo$
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(pad-string (format-number linenumber "1")
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%linenumber-length% %linenumber-padchar%))
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($linenumber-space$)))
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(if ($inpre$)
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(make sequence
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(literal (pad-string "" %linenumber-length% " "))
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($linenumber-space$))
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(make element gi: "CODE"
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($sp-to-nbsp-sosofo$
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(pad-string "" %linenumber-length% " "))
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($linenumber-space$)))))
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(define ($line-start$ indent line-numbers? #!optional (line-number 1))
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(make sequence
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(if indent
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($format-indent$ indent)
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(empty-sosofo))
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(if line-numbers?
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($format-linenumber$ line-number)
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(empty-sosofo))))
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(define ($sp-to-nbsp-sosofo$ string)
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;; Given a string, return it as a sosofo, but replace spaces with
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;; nbsp entity-refs.
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(make sequence
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(let loop ((charlist (string->list string))
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(res (empty-sosofo)))
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(if (null? charlist)
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res
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(loop
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(cdr charlist)
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(let ((c (car charlist)))
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(if (equal? c #\ )
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(sosofo-append res
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(make entity-ref name: "nbsp"))
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(sosofo-append res (literal (list->string (list c)))))))))))
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(define ($verbatim-display$ indent line-numbers?)
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(let ((content (make element gi: "PRE"
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attributes: (list
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(list "CLASS" (gi)))
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(if (or indent line-numbers?)
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($verbatim-line-by-line$ indent line-numbers?)
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(process-children)))))
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(if %shade-verbatim%
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(make element gi: "TABLE"
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attributes: ($shade-verbatim-attr$)
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(make element gi: "TR"
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(make element gi: "TD"
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content)))
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(make sequence
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(para-check)
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content
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(para-check 'restart)))))
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(define ($verbatim-line-by-line$ indent line-numbers?)
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(let ((expanded-content
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;; this is the content with
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;; inlinemediaobject/imageobject[@format='linespecific']
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;; expanded
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(let loop ((kl (children (current-node))) (rl (empty-node-list)))
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(if (node-list-empty? kl)
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rl
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(if (equal? (gi (node-list-first kl))
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(normalize "inlinemediaobject"))
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(let* ((imgobj (node-list-filter-by-gi
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(children (node-list-first kl))
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(list (normalize "imageobject"))))
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(datobj (node-list-filter-by-gi
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(children imgobj)
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(list (normalize "imagedata")))))
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(if (and (not (node-list-empty? imgobj))
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(not (node-list-empty? datobj))
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(equal? (attribute-string (normalize "format") datobj)
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(normalize "linespecific")))
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(loop (node-list-rest kl)
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(node-list rl (string->nodes (include-characters
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(if (attribute-string (normalize "fileref") datobj)
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(attribute-string (normalize "fileref") datobj)
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(entity-generated-system-id (attribute-string (normalize "entityref") datobj)))))))
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(loop (node-list-rest kl)
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(node-list rl (node-list-first kl)))))
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(loop (node-list-rest kl) (node-list rl (node-list-first kl))))))))
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(make sequence
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($line-start$ indent line-numbers? 1)
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(let loop ((kl expanded-content)
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(linecount 1)
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(res (empty-sosofo)))
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(if (node-list-empty? kl)
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res
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(loop
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(node-list-rest kl)
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(if (char=? (node-property 'char (node-list-first kl)
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default: #\U-0000) #\U-000D)
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(+ linecount 1)
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linecount)
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(let ((c (node-list-first kl)))
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(if (char=? (node-property 'char c default: #\U-0000)
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#\U-000D)
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(sosofo-append res
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(process-node-list c)
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($line-start$ indent
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line-numbers?
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(+ linecount 1)))
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(sosofo-append res (process-node-list c))))))))))
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(define ($linespecific-display$ indent line-numbers?)
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(make element gi: "P"
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attributes: (list (list "CLASS" (gi)))
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(make sequence
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($line-start$ indent line-numbers? 1)
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(let loop ((kl (children (current-node)))
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(linecount 1)
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(res (empty-sosofo)))
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(if (node-list-empty? kl)
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res
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(loop
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(node-list-rest kl)
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(if (char=? (node-property 'char (node-list-first kl)
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default: #\U-0000) #\U-000D)
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(+ linecount 1)
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linecount)
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(let ((c (node-list-first kl)))
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(if (char=? (node-property 'char c default: #\U-0000)
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#\U-000D)
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(sosofo-append res
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(make empty-element gi: "br")
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(process-node-list c)
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($line-start$ indent
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line-numbers?
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(+ linecount 1)))
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(if (char=? (node-property 'char c default: #\U-0000)
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#\U-0020)
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(sosofo-append res
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(make entity-ref name: "nbsp"))
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(sosofo-append res (process-node-list c)))))))))))
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(element literallayout
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(if (equal? (attribute-string "class") (normalize "monospaced"))
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($verbatim-display$
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%indent-literallayout-lines%
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(or %number-literallayout-lines%
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(equal? (attribute-string (normalize "linenumbering"))
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(normalize "numbered"))))
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($linespecific-display$
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%indent-literallayout-lines%
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(or %number-literallayout-lines%
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(equal? (attribute-string (normalize "linenumbering"))
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(normalize "numbered"))))))
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(element address
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($linespecific-display$
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%indent-address-lines%
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(or %number-address-lines%
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(equal? (attribute-string (normalize "linenumbering"))
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(normalize "numbered")))))
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(element programlisting
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($verbatim-display$
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%indent-programlisting-lines%
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(or %number-programlisting-lines%
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(equal? (attribute-string (normalize "linenumbering"))
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(normalize "numbered")))))
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(element screen
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($verbatim-display$
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%indent-screen-lines%
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(or %number-screen-lines%
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(equal? (attribute-string (normalize "linenumbering"))
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(normalize "numbered")))))
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(element screenshot (process-children))
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(element screeninfo (empty-sosofo))
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