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org-footnote: Add optional argument to `org-footnote-goto-definition' 

* lisp/org-footnote.el (org-footnote-goto-definition): Add an optional
  argument in order to avoid duplicating calls to
  `org-footnote-get-definition'.  Return non-nil when move was
  successful.
This commit is contained in:
Nicolas Goaziou 2015-05-06 23:15:42 +02:00
parent 8f394624b8
commit f6492d953c
1 changed files with 22 additions and 15 deletions
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37
lisp/org-footnote.el
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@ -364,26 +364,33 @@ If no footnote is found, return nil."
(org-element-property :contents-end datum))))))))))
nil))))
(defun org-footnote-goto-definition (label)
(defun org-footnote-goto-definition (label &optional location)
"Move point to the definition of the footnote LABEL.
Return a non-nil value when a definition has been found."
LOCATION, when non-nil specifies the buffer position of the
definition.
Throw an error if there is no definition or if it cannot be
reached from current narrowed part of buffer. Return a non-nil
value if point was successfully moved."
(interactive "sLabel: ")
(let ((def-start (nth 1 (org-footnote-get-definition label))))
(let ((def-start (or location (nth 1 (org-footnote-get-definition label)))))
(cond
((not def-start)
(user-error "Cannot find definition of footnote %s" label))
((or (> def-start (point-max))
(< def-start (point-min)))
(user-error "Footnote definition outside of narrowed part of buffer"))
(t
(org-mark-ring-push)
(goto-char def-start)
(looking-at (format "\\[%s[]:]" label))
(goto-char (match-end 0))
(org-show-context 'link-search)
(when (derived-mode-p 'org-mode)
(message "Edit definition and go back with `C-c &' or, if unique, with `C-c C-c'."))
t))))
((or (> def-start (point-max)) (< def-start (point-min)))
(user-error "Definition is outside narrowed part of buffer")))
(org-mark-ring-push)
(goto-char def-start)
(looking-at (format "\\[%s[]:]" label))
(goto-char (match-end 0))
(org-show-context 'link-search)
(when (derived-mode-p 'org-mode)
(message
(substitute-command-keys
"Edit definition and go back with `\\[org-mark-ring-goto]' or, if \
unique, with `\\[org-ctrl-c-ctrl-c]'.")))
t))
(defun org-footnote-goto-previous-reference (label)
"Find the first closest (to point) reference of footnote with label LABEL."