[Emacs-diffs] Changes to emacs/lisp/textmodes/nroff-mode.el, v [EMACS_22_BASE]

[Glenn Morris]

CVSROOT:        /sources/emacs
Module name:    emacs
Branch:         EMACS_22_BASE
Changes by:     Glenn Morris <gm>       07/11/01 03:59:48

Index: nroff-mode.el
===================================================================
RCS file: /sources/emacs/emacs/lisp/textmodes/nroff-mode.el,v
retrieving revision 1.32.2.2
retrieving revision 1.32.2.3
diff -u -b -r1.32.2.2 -r1.32.2.3
--- nroff-mode.el       8 Aug 2007 07:22:46 -0000       1.32.2.2
+++ nroff-mode.el       1 Nov 2007 03:59:48 -0000       1.32.2.3
@@ -130,6 +130,7 @@
   (set (make-local-variable 'comment-start-skip) "\\\\\"[ \t]*")
   (set (make-local-variable 'comment-column) 24)
   (set (make-local-variable 'comment-indent-function) 'nroff-comment-indent)
+  (set (make-local-variable 'indent-line-function) 'nroff-indent-line-function)
   (set (make-local-variable 'imenu-generic-expression) nroff-imenu-expression))
 
 (defun nroff-outline-level ()
@@ -161,6 +162,19 @@
                              9) 8)))))) ; add 9 to ensure at least two blanks
       (goto-char pt))))
 
+;; All this does is insert a "." at the start of comment-lines,
+;; for the sake of comment-dwim adding a new comment on an empty line.
+;; Hack! The right fix probably involves ;; comment-insert-comment-function,
+;; but comment-dwim does not call that for the empty line case.
+;; http://lists.gnu.org/archive/html/emacs-devel/2007-10/msg01869.html
+(defun nroff-indent-line-function ()
+  "Function for `indent-line-function' in `nroff-mode'."
+  (save-excursion
+    (forward-line 0)
+    (when (looking-at "[ \t]*\\\\\"[ \t]*") ; \# does not need this
+      (delete-horizontal-space)
+      (insert ?.))))
+
 (defun nroff-count-text-lines (start end &optional print)
   "Count lines in region, except for nroff request lines.
 All lines not starting with a period are counted up.
@@ -173,7 +187,7 @@
       (save-restriction
        (narrow-to-region start end)
        (goto-char (point-min))
-       (- (buffer-size) (forward-text-line (buffer-size)))))))
+       (- (buffer-size) (nroff-forward-text-line (buffer-size)))))))
 
 (defun nroff-forward-text-line (&optional cnt)
   "Go forward one nroff text line, skipping lines of nroff requests.