diff --git a/lisp/org.el b/lisp/org.el index 3107e7005..217c3f071 100755 --- a/lisp/org.el +++ b/lisp/org.el @@ -18646,12 +18646,61 @@ Revert to the normal definition outside of these fragments." (call-interactively (key-binding (vector last-input-event)))))) (defun org-cdlatex-environment-indent (&optional environment item) - "Execute `cdlatex-environment' and indent the inserted environment." + "Execute `cdlatex-environment' and indent the inserted environment. + +ENVIRONMENT and ITEM are passed to `cdlatex-environment'. + +The inserted environment is indented to current indentation +unless point is at the beginning of the line, in which the +environment remains unintended." (interactive) - (cdlatex-environment environment item) - (let ((element (org-element-at-point))) - (org-indent-region (org-element-property :begin element) - (org-element-property :end element)))) + ;; cdlatex-environment always return nil. Therefore, capture output + ;; first and determine if an environment was selected. + (let* ((beg (point-marker)) + (end (copy-marker (point) t)) + (inserted (progn + (ignore-errors (cdlatex-environment environment item)) + (< beg end))) + ;; Figure out how many lines to move forward after the + ;; environment has been inserted. + (lines (when inserted + (save-excursion + (- (cl-loop while (< beg (point)) + with x = 0 + do (forward-line -1) + (cl-incf x) + finally return x) + (if (progn (goto-char beg) + (and (progn (skip-chars-forward " \t") (eolp)) + (progn (skip-chars-backward " \t") (bolp)))) + 1 0))))) + (env (org-trim (delete-and-extract-region beg end)))) + (when inserted + ;; Get indentation of next line unless at column 0. + (let ((ind (if (bolp) 0 + (save-excursion + (org-return-indent) + (prog1 (org-get-indentation) + (when (progn (skip-chars-forward " \t") (eolp)) + (delete-region beg (point))))))) + (bol (progn (skip-chars-backward " \t") (bolp)))) + ;; Insert a newline before environment unless at column zero + ;; to "escape" the current line. Insert a newline if + ;; something is one the same line as \end{ENVIRONMENT}. + (insert + (concat (unless bol "\n") env + (when (and (skip-chars-forward " \t") (not (eolp))) "\n"))) + (unless (zerop ind) + (save-excursion + (goto-char beg) + (while (< (point) end) + (unless (eolp) (org-indent-line-to ind)) + (forward-line)))) + (goto-char beg) + (forward-line lines) + (org-indent-line-to ind))) + (set-marker beg nil) + (set-marker end nil))) ;;;; LaTeX fragments