(help-with-tutorial): Allow various ways

to specify the text in the [...] line, in handling the <...> line.

2 files changed, 26 insertions, 5 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 8757ef5440d..97118b4b151 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,8 @@
 2002-04-01  Richard M. Stallman  <rms@gnu.org>
 
+        * help-fns.el (help-with-tutorial): Allow various ways
+        to specify the text in the [...] line, in handling the <...> line.
+
         * progmodes/idlw-rinfo.el (idlwave-system-routines): 
         WOLRDTITLE => WORLDTITLE.  SUPRESS_VALUE => SUPPRESS_VALUE.
 
diff --git a/lisp/help-fns.el b/lisp/help-fns.el
index 4b4f78c0847..e27e6fc119a 100644
--- a/lisp/help-fns.el
+++ b/lisp/help-fns.el
@@ -63,16 +63,34 @@ With arg, you are asked to choose which language."
       (goto-char (point-min))
       (search-forward "\n<<")
       (beginning-of-line)
-      (delete-region (point) (progn (end-of-line) (point)))
+      ;; Convert the <<...>> line to the proper [...] line,
+      ;; or just delete the <<...>> line if a [...] line follows.
+      (cond ((save-excursion
+               (forward-line 1)
+               (looking-at "\\["))
+             (delete-region (point) (progn (forward-line 1) (point))))
+            ((looking-at "<<Blank lines inserted.*>>")
+             (replace-match "[Middle of page left blank for didactic purposes.   Text continues below]"))
+            (t
+             (looking-at "<<")
+             (replace-match "[")
+             (search-forward ">>")
+             (replace-match "]")))
+      (beginning-of-line)
       (let ((n (- (window-height (selected-window))
                   (count-lines (point-min) (point))
                   6)))
-        (if (< n 12)
-            (newline n)
+        (if (< n 8)
+            (progn
+              ;; For a short gap, we don't need the [...] line,
+              ;; so delete it.
+              (delete-region (point) (progn (end-of-line) (point)))
+              (newline n))
           ;; Some people get confused by the large gap.
           (newline (/ n 2))
-          (insert "[Middle of page left blank for didactic purposes.  "
-                  "Text continues below]")
+          
+          ;; Skip the [...] line (don't delete it).
+          (forward-line 1)
           (newline (- n (/ n 2)))))
       (goto-char (point-min))
       (set-buffer-modified-p nil))))