forked from mirrors/org-mode
org-latex: fix interpreted latex commands and snippets in footnotes
* lisp/org-latex.el (org-export-latex-preprocess): first insert footnotes in the temporary buffer so their contents can properly be protected from further transformations if required.
This commit is contained in:
Nicolas Goaziou
parent
ddff0a8f8c
commit
743e3e7fcc
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@ -2296,6 +2296,68 @@ The conversion is made depending of STRING-BEFORE and STRING-AFTER."
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(defun org-export-latex-preprocess (parameters)
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"Clean stuff in the LaTeX export."
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;; Replace footnotes.
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(when (plist-get parameters :footnotes)
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(goto-char (point-min))
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(let (ref)
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(while (setq ref (org-footnote-get-next-reference))
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(let* ((beg (nth 1 ref))
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(lbl (car ref))
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(def (nth 1 (assoc (string-to-number lbl)
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(mapcar (lambda (e) (cdr e))
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org-export-footnotes-seen)))))
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;; Fix body for footnotes ending on a link or a list and
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;; remove definition from buffer.
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(setq def
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(concat def
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(if (string-match "ORG-LIST-END-MARKER\\'" def)
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"\n" " ")))
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(org-footnote-delete-definitions lbl)
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;; Compute string to insert (FNOTE), and protect the outside
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;; macro from further transformation. When footnote at
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;; point is referring to a previously defined footnote, use
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;; \footnotemark. Otherwise, use \footnote.
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(let ((fnote (if (member lbl org-export-latex-footmark-seen)
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(org-export-latex-protect-string
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(format "\\footnotemark[%s]" lbl))
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(push lbl org-export-latex-footmark-seen)
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(concat (org-export-latex-protect-string "\\footnote{")
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def
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(org-export-latex-protect-string "}"))))
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;; Check if another footnote is immediately following.
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;; If so, add a separator in-between.
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(sep (org-export-latex-protect-string
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(if (save-excursion (goto-char (1- (nth 2 ref)))
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(let ((next (org-footnote-get-next-reference)))
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(and next (= (nth 1 next) (nth 2 ref)))))
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org-export-latex-footnote-separator ""))))
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(when (org-on-heading-p)
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(setq fnote (concat (org-export-latex-protect-string "\\protect")
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fnote)))
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;; Ensure a footnote at column 0 cannot end a list
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;; containing it.
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(put-text-property 0 (length fnote) 'original-indentation 1000 fnote)
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;; Replace footnote reference with FNOTE and, maybe, SEP.
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;; `save-excursion' is required if there are two footnotes
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;; in a row. In that case, point would be left at the
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;; beginning of the second one, and
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;; `org-footnote-get-next-reference' would then skip it.
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(goto-char beg)
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(delete-region beg (nth 2 ref))
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(save-excursion (insert fnote sep)))))))
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;; Remove footnote section tag for LaTeX
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(goto-char (point-min))
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(while (re-search-forward
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(concat "^" footnote-section-tag-regexp) nil t)
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(org-if-unprotected
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(replace-match "")))
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;; Remove any left-over footnote definition.
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(mapc (lambda (fn) (org-footnote-delete-definitions (car fn)))
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org-export-footnotes-data)
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(mapc (lambda (fn) (org-footnote-delete-definitions fn))
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org-export-latex-footmark-seen)
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;; Preserve line breaks
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(goto-char (point-min))
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(while (re-search-forward "\\\\\\\\" nil t)
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@ -2317,7 +2379,6 @@ The conversion is made depending of STRING-BEFORE and STRING-AFTER."
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(goto-char (point-at-eol))))))
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;; Preserve math snippets
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(let* ((matchers (plist-get org-format-latex-options :matchers))
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(re-list org-latex-regexps)
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beg end re e m n block off)
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@ -2409,12 +2470,17 @@ The conversion is made depending of STRING-BEFORE and STRING-AFTER."
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"\\(" (org-create-multibrace-regexp "{" "}" 3) "\\)\\{1,3\\}")))
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(while (re-search-forward re nil t)
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(unless (or
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;; check for comment line
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;; Check for comment line.
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(save-excursion (goto-char (match-beginning 0))
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(org-in-indented-comment-line))
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;; Check if this is a defined entity, so that is may need conversion
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;; Check if this is a defined entity, so that is may
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;; need conversion.
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(org-entity-get (match-string 1))
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)
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;; Do not protect interior of footnotes. Those have
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;; already been taken care of earlier in the function.
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;; Yet, keep looking inside them for more commands.
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(and (equal (match-string 1) "footnote")
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(goto-char (match-end 1))))
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(add-text-properties (match-beginning 0) (match-end 0)
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'(org-protected t)))))
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@ -2450,69 +2516,7 @@ The conversion is made depending of STRING-BEFORE and STRING-AFTER."
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(goto-char (point-min))
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(while (re-search-forward "@<\\(?:[^\"\n]\\|\".*\"\\)*?>" nil t)
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(org-if-unprotected
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(replace-match "")))
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;; When converting to LaTeX, replace footnotes.
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(when (plist-get parameters :footnotes)
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(goto-char (point-min))
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(let (ref)
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(while (setq ref (org-footnote-get-next-reference))
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(let* ((beg (nth 1 ref))
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(lbl (car ref))
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(def (nth 1 (assoc (string-to-number lbl)
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(mapcar (lambda (e) (cdr e))
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org-export-footnotes-seen)))))
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;; Fix body for footnotes ending on a link or a list and
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;; remove definition from buffer.
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(setq def
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(concat def
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(if (string-match "ORG-LIST-END-MARKER\\'" def)
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"\n" " ")))
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(org-footnote-delete-definitions lbl)
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;; Compute string to insert (FNOTE), and protect the outside
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;; macro from further transformation. When footnote at point
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;; is referring to a previously defined footnote, use
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;; \footnotemark. Otherwise, use \footnote.
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(let ((fnote (if (member lbl org-export-latex-footmark-seen)
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(org-export-latex-protect-string
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(format "\\footnotemark[%s]" lbl))
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(push lbl org-export-latex-footmark-seen)
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(concat (org-export-latex-protect-string "\\footnote{")
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def
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(org-export-latex-protect-string "}"))))
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;; Check if another footnote is immediately following.
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;; If so, add a separator in-between.
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(sep (org-export-latex-protect-string
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(if (save-excursion (goto-char (1- (nth 2 ref)))
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(let ((next (org-footnote-get-next-reference)))
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(and next (= (nth 1 next) (nth 2 ref)))))
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org-export-latex-footnote-separator ""))))
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(when (org-on-heading-p)
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(setq fnote (concat (org-export-latex-protect-string"\\protect")
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fnote)))
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;; Ensure a footnote at column 0 cannot end a list
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;; containing it.
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(put-text-property 0 (length fnote) 'original-indentation 1000 fnote)
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;; Replace footnote reference with FNOTE and, maybe, SEP.
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;; `save-excursion' is required if there are two footnotes
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;; in a row. In that case, point would be left at the
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;; beginning of the second one, and
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;; `org-footnote-get-next-reference' would then skip it.
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(goto-char beg)
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(delete-region beg (nth 2 ref))
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(save-excursion (insert fnote sep)))))))
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;; Remove footnote section tag for LaTeX
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(goto-char (point-min))
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(while (re-search-forward
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(concat "^" footnote-section-tag-regexp) nil t)
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(org-if-unprotected
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(replace-match "")))
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;; Remove any left-over footnote definition.
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(mapc (lambda (fn) (org-footnote-delete-definitions (car fn)))
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org-export-footnotes-data)
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(mapc (lambda (fn) (org-footnote-delete-definitions fn))
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org-export-latex-footmark-seen))
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(replace-match ""))))
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(defun org-export-latex-fix-inputenc ()
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"Set the coding system in inputenc to what the buffer is."
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