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[This hyperlink points to the ,(ref :figure "The great Penguin" :text "figure")
of the chapter ,(ref :chapter "Standard Markups") (or also, the
,(ref :ident "Standard Markups" :text "chapter") about markups).
In the second example of reference, no ,(code ":text") option is specified:
,(ref :figure "The great Penguin"). One may use the ,(param ":ident")
field when specified such as: ,(ref :ident "fig1") or ,(ref :figure "fig1").
,(linebreak)
That other one points to a well known
,(ref :url "http://slashdot.org/" :text "url"). The same without
,(code ":text"): ,(ref :url "http://slashdot.org/").
,(linebreak)
With more complex tricks that are explained in Section
,(ref :section "Resolve"), it is also possible use, for the text of the
reference, a container number such as chapter:
,(resolve (lambda (n e env)
(let ((s (find1-down (lambda (x)
(and (is-markup? x 'chapter)
(string=? (markup-option x :title)
"Standard Markups")))
(ast-document n))))
(ref :handle (handle s) :text (markup-option s :number))))).]
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