Fix 'what-page'

* lisp/textmodes/page.el (page--what-page): Adjust for 1st
line on page, and use 'count-lines' again.  (Bug#68215)

* test/lisp/textmodes/page-tests.el (page-tests-what-page):
Update test.

1 files changed, 5 insertions, 1 deletions

diff --git a/test/lisp/textmodes/page-tests.el b/test/lisp/textmodes/page-tests.el
index f3a2c5fbe00..617b59a54fb 100644
--- a/test/lisp/textmodes/page-tests.el
+++ b/test/lisp/textmodes/page-tests.el
@@ -106,10 +106,14 @@
     (insert "foo\n\nbar\n\nbaz")
     (goto-char (point-min))
     (should (equal (page--what-page) '(1 1)))
+    (forward-char)
+    (should (equal (page--what-page) '(1 1)))
     (forward-page)
+    (should (equal (page--what-page) '(2 1)))
+    (next-line)
     (should (equal (page--what-page) '(2 2)))
     (forward-page)
-    (should (equal (page--what-page) '(3 4)))))
+    (should (equal (page--what-page) '(3 1)))))
 
 
 ;;; page-tests.el ends here