◊(Local Yarn Code "Diff")

Differences From Artifact [d7a74b7d]:

To Artifact [6b6aeed1]:


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         html-excerpt
         html-excerpt*
         html-item
         html-section
         html-subsection
         html-newthought
         html-caps
         html-mono
         html-center
         html-strike
         html-block
         html-blockcode
         html-index
         html-figure
         html-figure-@2x
         html-image-link
         html-dialogue
         html-say
         html-saylines
         html-verse
         html-attrib
         html-link
         html-xref
         html-url
         html-fn
         html-fndef
         html-note)

(define html-item (default-tag-function 'li))
(define html-section (default-tag-function 'h2))
(define html-subsection (default-tag-function 'h3))
(define html-newthought (default-tag-function 'span #:class "newthought"))
(define html-caps (default-tag-function 'span #:class "caps"))
(define html-center (default-tag-function 'div #:style "text-align: center"))
(define html-strike (default-tag-function 'span #:style "text-decoration: line-through"))
(define html-dialogue (default-tag-function 'dl #:class "dialogue"))
(define html-mono (default-tag-function 'samp))

(define (html-block . elements)
  `(section [[class "content-block"]] (div [[class "content-block-main"]] ,@elements)))

(define (html-root . elements)
  (invalidate-series)
  (define first-pass
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  (let* ([title  (maybe-attr 'title attrs "")]
         [italic? (assoc 'italic? attrs)]
         [pre-attrs (cond [italic? '([class "verse"] [style "font-style: italic"])]
                          [else '([class "verse"])])]
         [pre-title (cond [(string>? title "") `(p [[class "verse-heading"]] ,title)]
                          [else ""])])
    `(div [[class "poem"]] ,pre-title (pre ,pre-attrs ,@elems))))

(define html-attrib (default-tag-function 'div #:class "attrib"))

;; (Private) Get the dimensions of an image file
(define (get-image-size filepath)
  (define bmp (make-object bitmap% filepath))
  (list (send bmp get-width) (send bmp get-height)))

;; (Private) Builds a path to an image in the [image-dir] subfolder of the current document's 
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(define (decode-link-urls tx)
  (cond [(eq? (get-tag tx) 'link&)
         (let* ([url-ref (attr-ref tx 'ref)]
                [url (or (hash-ref link-urls url-ref #f)
                         (format "Missing reference: ~a" url-ref))])
           `(a [[href ,url]] ,@(get-elements tx)))]
        [else tx]))

;; Quick link to another article
(define (html-xref . elems)
  `(a [[href ,(format "~aarticles/~a.html" web-root (first elems))]
       [class "xref"]]
      ,@(rest elems)))

;; Footnotes
;;
;; Private use:
(define fn-names null)
(define fn-definitions (make-hash))
(define (fn-id x) (here-id (string-append x "_fn")))