-\f
-;;; Sort and index (for VMS)
-
-;; Sort an index which is in the current buffer between START and END.
-;; Used on VMS, where the `sort' utility is not available.
-(defun texinfo-sort-region (start end)
- (require 'sort)
- (save-restriction
- (narrow-to-region start end)
- (goto-char (point-min))
- (sort-subr nil 'forward-line 'end-of-line 'texinfo-sort-startkeyfun)))
-
-;; Subroutine for sorting an index.
-;; At start of a line, return a string to sort the line under.
-(defun texinfo-sort-startkeyfun ()
- (let ((line (buffer-substring-no-properties (point) (line-end-position))))
- ;; Canonicalize whitespace and eliminate funny chars.
- (while (string-match "[ \t][ \t]+\\|[^a-z0-9 ]+" line)
- (setq line (concat (substring line 0 (match-beginning 0))
- " "
- (substring line (match-end 0)))))
- line))
-