remove redundant code, and add a comment

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2937 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

src/text.c

@@ -1907,10 +1907,6 @@ const char *do_alt_speller(char *tempfile_name)
     /* Turn the cursor back on for sure. */
     curs_set(1);
 
-    /* The screen might have been resized.  If it has, reinitialize all
-     * the windows based on the new screen dimensions. */
-    window_init();
-
     if (!WIFEXITED(alt_spell_status) ||
 		WEXITSTATUS(alt_spell_status) != 0) {
 	char *altspell_error;

src/winio.c

@@ -3487,7 +3487,8 @@ int need_vertical_update(size_t old_pww)
  * of lines, and draw new lines on the blank lines left after the
  * scrolling.  direction is the direction to scroll, either UP or DOWN,
  * and nlines is the number of lines to scroll.  We change edittop, and
- * assume that current and current_x are up to date. */
+ * assume that current and current_x are up to date.  We also assume
+ * that scrollok(edit) is FALSE. */
 void edit_scroll(updown direction, int nlines)
 {
     bool do_redraw = need_vertical_update(0);