\(normally '') depending on the context. With prefix argument, always
inserts \" characters."
(interactive "*P")
+ ;; Discover if we'll be inserting normal double quotes.
+ ;;
(if (or arg (memq (char-syntax (preceding-char)) '(?/ ?\\))
- (eq (get-text-property (point) 'face) 'tex-verbatim)
- (save-excursion
- (backward-char (length tex-open-quote))
- (when (or (looking-at (regexp-quote tex-open-quote))
- (looking-at (regexp-quote tex-close-quote)))
- (delete-char (length tex-open-quote))
- t)))
+ (eq (get-text-property (point) 'face) 'tex-verbatim)
+ ;; Discover if a preceding occurance of `tex-open-quote'
+ ;; should be morphed to a normal double quote.
+ ;;
+ (and (>= (point) (+ (point-min) (length tex-open-quote)))
+ (save-excursion
+ (backward-char (length tex-open-quote))
+ (when (or (looking-at (regexp-quote tex-open-quote))
+ (looking-at (regexp-quote tex-close-quote)))
+ (delete-char (length tex-open-quote))
+ (when (looking-at (regexp-quote tex-close-quote))
+ (delete-char (length tex-close-quote)))
+ t))))
+ ;; Insert the normal quote (eventually letting
+ ;; `electric-pair-mode' do its thing).
+ ;;
(self-insert-command (prefix-numeric-value arg))
- (insert (if (or (memq (char-syntax (preceding-char)) '(?\( ?> ?\s))
- (memq (preceding-char) '(?~)))
- tex-open-quote tex-close-quote))))
+ ;; We'll be inserting fancy TeX quotes, but consider and imitate
+ ;; `electric-pair-mode''s two behaviours: pair-insertion and
+ ;; region wrapping.
+ ;;
+ (if (and electric-pair-mode (use-region-p))
+ (let* ((saved (point-marker)))
+ (goto-char (mark))
+ (insert (if (> saved (mark)) tex-open-quote tex-close-quote))
+ (goto-char saved)
+ (insert (if (> saved (mark)) tex-close-quote tex-open-quote)))
+ (if (or (memq (char-syntax (preceding-char)) '(?\( ?> ?\s))
+ (memq (preceding-char) '(?~)))
+ (if electric-pair-mode
+ (if (looking-at (regexp-quote tex-close-quote))
+ (forward-char (length tex-close-quote))
+ (insert tex-open-quote)
+ (insert tex-close-quote)
+ (backward-char (length tex-close-quote)))
+ (insert tex-open-quote))
+ (if (looking-at (regexp-quote tex-close-quote))
+ (forward-char (length tex-close-quote))
+ (insert tex-close-quote))))))
(defun tex-validate-buffer ()
"Check current buffer for paragraphs containing mismatched braces or $s.