Function: tex-insert-quote

tex-insert-quote is an interactive and byte-compiled function defined in tex-mode.el.gz.

Signature

(tex-insert-quote ARG)

Documentation

Insert the appropriate quote marks for TeX.

Inserts the value of tex-open-quote (normally ``) or tex-close-quote
(normally '') depending on the context. With prefix argument, always
inserts " characters.

Key Bindings

Source Code

;; Defined in /usr/src/emacs/lisp/textmodes/tex-mode.el.gz
(defun tex-insert-quote (arg)
  "Insert the appropriate quote marks for TeX.
Inserts the value of `tex-open-quote' (normally \\=`\\=`) or `tex-close-quote'
\(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)
          (nth 4 (syntax-ppss)) ; non-nil if point is in a TeX comment
          ;; Discover if a preceding occurrence 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))
    ;; We'll be inserting fancy TeX quotes, but consider and imitate
    ;; `electric-pair-mode''s two behaviors: 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) '(?~ ?')))
          ;; We're in an "opening" context
          ;;
          (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))
        ;; We're in a "closing" context.
        ;;
        (if (looking-at (regexp-quote tex-close-quote))
            (forward-char (length tex-close-quote))
          (insert tex-close-quote))))))