Added and fixed bug #50

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@458 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

BUGS

@@ -81,6 +81,9 @@
 - In certain terminals, nano would not work properly with keypad().
   Turned out to be the silly timeout(0) call which is completely
   unneeded anyway.  (49) [FIXED]
+- With less than a page of text, doing a page down will move the
+  current line to the top of the screen, which it shouldn't do.  (50) 
+  [FIXED]
 
 ** Open BUGS **
 

move.c

@@ -55,7 +55,12 @@ int page_down(void)
     if (current == filebot)
 	return 0;
 
-    if (editbot != filebot || edittop == fileage) {
+    /* AHEM, if we only have a screen or less of text, DONT do an
+	edit_update, just move the cursor to editbot! */
+    if (edittop == fileage && editbot == filebot) {
+	current = editbot;
+	reset_cursor();
+    } else if (editbot != filebot || edittop == fileage) {
 	current_y = 0;
 	current = editbot;