:group 'message)
(defcustom footnote-mode-line-string " FN"
- "*String to display in modes section of the mode-line."
+ "String to display in modes section of the mode-line."
:group 'footnote)
(defcustom footnote-mode-hook nil
- "*Hook functions run when footnote-mode is activated."
+ "Hook functions run when footnote-mode is activated."
:type 'hook
:group 'footnote)
(defcustom footnote-narrow-to-footnotes-when-editing nil
- "*If set, narrow to footnote text body while editing a footnote."
+ "If non-nil, narrow to footnote text body while editing a footnote."
:type 'boolean
:group 'footnote)
(defcustom footnote-prompt-before-deletion t
- "*If set, prompt before deleting a footnote.
+ "If non-nil, prompt before deleting a footnote.
There is currently no way to undo deletions."
:type 'boolean
:group 'footnote)
(defcustom footnote-spaced-footnotes t
- "If set true it will put a blank line between each footnote.
-If nil, no blank line will be inserted."
+ "If non-nil, insert an empty line between footnotes.
+Customizing this variable has no effect on buffers already
+displaying footnotes."
:type 'boolean
:group 'footnote)
-(defcustom footnote-use-message-mode t
- "*If non-nil assume Footnoting will be done in message-mode."
+(defcustom footnote-use-message-mode t ; Nowhere used.
+ "If non-nil, assume Footnoting will be done in `message-mode'."
:type 'boolean
:group 'footnote)
(defcustom footnote-body-tag-spacing 2
- "*Number of blanks separating a footnote body tag and its text."
+ "Number of spaces separating a footnote body tag and its text.
+Customizing this variable has no effect on buffers already
+displaying footnotes."
:type 'integer
:group 'footnote)
(defvar footnote-prefix [(control ?c) ?!]
- "*When not using message mode, the prefix to bind in `mode-specific-map'")
+ "*When not using `message-mode', the prefix to bind in `mode-specific-map'")
;;; Interface variables that probably shouldn't be changed
(defcustom footnote-section-tag "Footnotes: "
- "*Tag inserted at beginning of footnote section."
- :version "22.1"
+ "Tag inserted at beginning of footnote section.
+If you set this to the empty string, no tag is inserted and the
+value of `footnote-section-tag-regexp' is ignored. Customizing
+this variable has no effect on buffers already displaying
+footnotes."
:type 'string
:group 'footnote)
(defcustom footnote-section-tag-regexp "Footnotes\\(\\[.\\]\\)?: "
- "*Regexp which indicates the start of a footnote section.
-See also `footnote-section-tag'."
+ "Regexp which indicates the start of a footnote section.
+This variable is disregarded when `footnote-section-tag' is the
+empty string. Customizing this variable has no effect on buffers
+already displaying footnotes."
:type 'regexp
:group 'footnote)
;; The following three should be consumed by footnote styles.
(defcustom footnote-start-tag "["
- "*String used to denote start of numbered footnote."
+ "String used to denote start of numbered footnote.
+Should not be set to the empty string. Customizing this variable
+has no effect on buffers already displaying footnotes."
:type 'string
:group 'footnote)
(defcustom footnote-end-tag "]"
- "*String used to denote end of numbered footnote."
+ "String used to denote end of numbered footnote.
+Should not be set to the empty string. Customizing this variable
+has no effect on buffers already displaying footnotes."
:type 'string
:group 'footnote)
exciting styles.")
(defcustom footnote-style 'numeric
- "*Default style used for footnoting.
+ "Default style used for footnoting.
numeric == 1, 2, 3, ...
english-lower == a, b, c, ...
english-upper == A, B, C, ...
See also variables `footnote-start-tag' and `footnote-end-tag'.
Customizing this variable has no effect on buffers already
-displaying footnotes. You can change the style of existing
-buffers using the command `Footnote-set-style'."
+displaying footnotes. To change the style of footnotes in such a
+buffer use the command `Footnote-set-style'."
:type (cons 'choice (mapcar (lambda (x) (list 'const (car x)))
footnote-style-alist))
:group 'footnote)
(setq locn (cdr alist))
(while locn
(goto-char (car locn))
- (search-backward footnote-start-tag nil t)
- (when (looking-at (concat
- (regexp-quote footnote-start-tag)
- "\\(" index-regexp "+\\)"
- (regexp-quote footnote-end-tag)))
- (replace-match (concat
- footnote-start-tag
- (Footnote-index-to-string (1+ i))
- footnote-end-tag)
- nil "\\1"))
+ ;; Try to handle the case where `footnote-start-tag' and
+ ;; `footnote-end-tag' are the same string.
+ (when (looking-back (concat
+ (regexp-quote footnote-start-tag)
+ "\\(" index-regexp "+\\)"
+ (regexp-quote footnote-end-tag))
+ (line-beginning-position))
+ (replace-match
+ (propertize
+ (concat
+ footnote-start-tag
+ (Footnote-index-to-string (1+ i))
+ footnote-end-tag)
+ 'footnote-number (1+ i) footnote-mouse-highlight t)
+ nil "\\1"))
(setq locn (cdr locn)))
(setq i (1+ i))))
(regexp-quote footnote-start-tag)
"\\(" index-regexp "+\\)"
(regexp-quote footnote-end-tag)))
- (replace-match (concat
- footnote-start-tag
- (Footnote-index-to-string (1+ i))
- footnote-end-tag)
- nil "\\1"))
+ (replace-match
+ (propertize
+ (concat
+ footnote-start-tag
+ (Footnote-index-to-string (1+ i))
+ footnote-end-tag)
+ 'footnote-number (1+ i))
+ nil "\\1"))
(setq i (1+ i))))))
(defun Footnote-assoc-index (key alist)
(list (intern (completing-read
"Footnote Style: "
obarray #'Footnote-style-p 'require-match))))
- (setq footnote-style style))
+ (let ((old (Footnote-assoc-index footnote-style footnote-style-alist)))
+ (setq footnote-style style)
+ (Footnote-refresh-footnotes (nth 2 (nth old footnote-style-alist)))))
;; Internal functions
(defun Footnote-insert-numbered-footnote (arg &optional mousable)
"Insert numbered footnote at (point)."
- (let* ((start (point))
- (end (progn
- (insert-before-markers (concat footnote-start-tag
- (Footnote-index-to-string arg)
- footnote-end-tag))
- (point))))
-
- (add-text-properties start end
- (list 'footnote-number arg))
- (when mousable
- (add-text-properties start end
- (list footnote-mouse-highlight t)))))
+ (let ((string (concat footnote-start-tag
+ (Footnote-index-to-string arg)
+ footnote-end-tag)))
+ (insert-before-markers
+ (if mousable
+ (propertize
+ string 'footnote-number arg footnote-mouse-highlight t)
+ (propertize string 'footnote-number arg)))))
(defun Footnote-renumber (from to pointer-alist text-alist)
"Renumber a single footnote."
(setcar text-alist to)
(while posn-list
(goto-char (car posn-list))
- (search-backward footnote-start-tag nil t)
- (when (looking-at (format "%s%s%s"
- (regexp-quote footnote-start-tag)
- (Footnote-current-regexp)
- (regexp-quote footnote-end-tag)))
- (add-text-properties (match-beginning 0) (match-end 0)
- (list 'footnote-number to))
- (replace-match (format "%s%s%s"
- footnote-start-tag
- (Footnote-index-to-string to)
- footnote-end-tag)))
+ (when (looking-back (concat (regexp-quote footnote-start-tag)
+ (Footnote-current-regexp)
+ (regexp-quote footnote-end-tag))
+ (line-beginning-position))
+ (replace-match
+ (propertize
+ (concat footnote-start-tag
+ (Footnote-index-to-string to)
+ footnote-end-tag)
+ 'footnote-number to footnote-mouse-highlight t)))
(setq posn-list (cdr posn-list)))
(goto-char (cdr text-alist))
- (when (looking-at (format "%s%s%s"
- (regexp-quote footnote-start-tag)
+ (when (looking-at (concat (regexp-quote footnote-start-tag)
(Footnote-current-regexp)
(regexp-quote footnote-end-tag)))
- (add-text-properties (match-beginning 0) (match-end 0)
- (list 'footnote-number to))
- (replace-match (format "%s%s%s"
- footnote-start-tag
- (Footnote-index-to-string to)
- footnote-end-tag) nil t))))
+ (replace-match
+ (propertize
+ (concat footnote-start-tag
+ (Footnote-index-to-string to)
+ footnote-end-tag)
+ 'footnote-number to)))))
;; Not needed?
(defun Footnote-narrow-to-footnotes ()
(goto-char (point-max))
(when (re-search-backward footnote-signature-separator nil t)
(let ((end (point)))
- (when (re-search-backward (concat "^" footnote-section-tag-regexp) nil t)
- (narrow-to-region (point) end)))))
+ (cond
+ ((and (not (string-equal footnote-section-tag ""))
+ (re-search-backward
+ (concat "^" footnote-section-tag-regexp) nil t))
+ (narrow-to-region (point) end))
+ (footnote-text-marker-alist
+ (narrow-to-region (cdar footnote-text-marker-alist) end))))))
(defun Footnote-goto-char-point-max ()
"Move to end of buffer or prior to start of .signature."
(point)))
(defun Footnote-insert-text-marker (arg locn)
- "Insert a marker pointing to footnote arg, at buffer location locn."
+ "Insert a marker pointing to footnote ARG, at buffer location LOCN."
(let ((marker (make-marker)))
(unless (assq arg footnote-text-marker-alist)
(set-marker marker locn)
(Footnote-sort footnote-text-marker-alist)))))
(defun Footnote-insert-pointer-marker (arg locn)
- "Insert a marker pointing to footnote arg, at buffer location locn."
+ "Insert a marker pointing to footnote ARG, at buffer location LOCN."
(let ((marker (make-marker))
alist)
(set-marker marker locn)
(Footnote-sort footnote-pointer-marker-alist)))))
(defun Footnote-insert-footnote (arg)
- "Insert a footnote numbered arg, at (point)."
+ "Insert a footnote numbered ARG, at (point)."
(push-mark)
(Footnote-insert-pointer-marker arg (point))
(Footnote-insert-numbered-footnote arg t)
(Footnote-goto-char-point-max)
- (if (re-search-backward (concat "^" footnote-section-tag-regexp) nil t)
+ (if (cond
+ ((not (string-equal footnote-section-tag ""))
+ (re-search-backward (concat "^" footnote-section-tag-regexp) nil t))
+ (footnote-text-marker-alist
+ (goto-char (cdar footnote-text-marker-alist))))
(save-restriction
(when footnote-narrow-to-footnotes-when-editing
(Footnote-narrow-to-footnotes))
nil t)
(unless (beginning-of-line) t))
(Footnote-goto-char-point-max)
- (re-search-backward (concat "^" footnote-section-tag-regexp) nil t))))
+ (cond
+ ((not (string-equal footnote-section-tag ""))
+ (re-search-backward
+ (concat "^" footnote-section-tag-regexp) nil t))
+ (footnote-text-marker-alist
+ (goto-char (cdar footnote-text-marker-alist)))))))
(unless (looking-at "^$")
(insert "\n"))
(when (eobp)
(insert "\n"))
- (insert footnote-section-tag "\n"))
+ (unless (string-equal footnote-section-tag "")
+ (insert footnote-section-tag "\n")))
(let ((old-point (point)))
(Footnote-insert-numbered-footnote arg nil)
(Footnote-insert-text-marker arg old-point)))
(defun Footnote-delete-footnote (&optional arg)
"Delete a numbered footnote.
-With no parameter, delete the footnote under (point). With arg specified,
+With no parameter, delete the footnote under (point). With ARG specified,
delete the footnote with that number."
(interactive "*P")
(unless arg
(while (car locn)
(save-excursion
(goto-char (car locn))
- (let* ((end (point))
- (start (search-backward footnote-start-tag nil t)))
- (kill-region start end)))
+ (when (looking-back (concat (regexp-quote footnote-start-tag)
+ (Footnote-current-regexp)
+ (regexp-quote footnote-end-tag))
+ (line-beginning-position))
+ (delete-region (match-beginning 0) (match-end 0))))
(setq locn (cdr locn)))
(save-excursion
(goto-char (cdr alist-txt))
- (kill-region (point) (search-forward "\n\n" nil t)))
+ (delete-region
+ (point)
+ (if footnote-spaced-footnotes
+ (search-forward "\n\n" nil t)
+ (save-restriction
+ (end-of-line)
+ (next-single-char-property-change
+ (point) 'footnote-number nil (Footnote-goto-char-point-max))))))
(setq footnote-pointer-marker-alist
(delq alist-ptr footnote-pointer-marker-alist))
(setq footnote-text-marker-alist
(when (and (null footnote-text-marker-alist)
(null footnote-pointer-marker-alist))
(save-excursion
- (let* ((end (Footnote-goto-char-point-max))
- (start (1- (re-search-backward
- (concat "^" footnote-section-tag-regexp)
- nil t))))
- (forward-line -1)
- (when (looking-at "\n")
- (kill-line))
- (kill-region start (if (< end (point-max))
- end
- (point-max)))))))))
+ (if (not (string-equal footnote-section-tag ""))
+ (let* ((end (Footnote-goto-char-point-max))
+ (start (1- (re-search-backward
+ (concat "^" footnote-section-tag-regexp)
+ nil t))))
+ (forward-line -1)
+ (when (looking-at "\n")
+ (kill-line))
+ (delete-region start (if (< end (point-max))
+ end
+ (point-max))))
+ (Footnote-goto-char-point-max)
+ (when (looking-back "\n\n")
+ (kill-line -1))))))))
(defun Footnote-renumber-footnotes (&optional arg)
"Renumber footnotes, starting from 1."
(defun Footnote-goto-footnote (&optional arg)
"Jump to the text of a footnote.
-With no parameter, jump to the text of the footnote under (point). With arg
+With no parameter, jump to the text of the footnote under (point). With ARG
specified, jump to the text of that footnote."
(interactive "P")
- (let (footnote)
- (if arg
- (setq footnote (assq arg footnote-text-marker-alist))
- (when (setq arg (Footnote-under-cursor))
- (setq footnote (assq arg footnote-text-marker-alist))))
- (if footnote
- (goto-char (cdr footnote))
- (if (eq arg 0)
- (progn
- (goto-char (point-max))
- (re-search-backward (concat "^" footnote-section-tag-regexp))
- (forward-line 1))
- (error "I don't see a footnote here")))))
+ (unless arg
+ (setq arg (Footnote-under-cursor)))
+ (let ((footnote (assq arg footnote-text-marker-alist)))
+ (cond
+ (footnote
+ (goto-char (cdr footnote)))
+ ((eq arg 0)
+ (goto-char (point-max))
+ (cond
+ ((not (string-equal footnote-section-tag ""))
+ (re-search-backward (concat "^" footnote-section-tag-regexp))
+ (forward-line 1))
+ (footnote-text-marker-alist
+ (goto-char (cdar footnote-text-marker-alist)))))
+ (t
+ (error "I don't see a footnote here")))))
(defun Footnote-back-to-message (&optional arg)
"Move cursor back to footnote referent.
key binding
--- -------
-\\[Footnote-renumber-footnotes] Footnote-renumber-footnotes
-\\[Footnote-goto-footnote] Footnote-goto-footnote
+\\[Footnote-add-footnote] Footnote-add-footnote
+\\[Footnote-back-to-message] Footnote-back-to-message
\\[Footnote-delete-footnote] Footnote-delete-footnote
+\\[Footnote-goto-footnote] Footnote-goto-footnote
+\\[Footnote-renumber-footnotes] Footnote-renumber-footnotes
\\[Footnote-cycle-style] Footnote-cycle-style
-\\[Footnote-back-to-message] Footnote-back-to-message
-\\[Footnote-add-footnote] Footnote-add-footnote
+\\[Footnote-set-style] Footnote-set-style
"
(interactive "*P")
;; (filladapt-mode t)
(when footnote-mode
;; (Footnote-setup-keybindings)
(make-local-variable 'footnote-style)
+ (make-local-variable 'footnote-body-tag-spacing)
+ (make-local-variable 'footnote-spaced-footnotes)
+ (make-local-variable 'footnote-section-tag)
+ (make-local-variable 'footnote-section-tag-regexp)
+ (make-local-variable 'footnote-start-tag)
+ (make-local-variable 'footnote-end-tag)
(if (fboundp 'force-mode-line-update)
(force-mode-line-update)
(set-buffer-modified-p (buffer-modified-p)))
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