--- rxvt-unicode/src/urxvt.pm	2015/03/17 09:23:08	1.254
+++ rxvt-unicode/src/urxvt.pm	2016/07/14 05:10:06	1.256
@@ -606,6 +606,8 @@
 
          push @{ $term->{perl_ext_3} }, $v->[0];
 
+         return 1 unless $isarg;
+
          if ($v->[1] eq "boolean") {
             $term->put_option_db ($name, $flag ? "true" : "false");
             return 1;
@@ -1619,31 +1621,32 @@
 
 Deliver various fake events to to terminal.
 
-=item $window_width = $term->width
+=item $window_width = $term->width ([$new_value])
 
-=item $window_height = $term->height
+=item $window_height = $term->height ([$new_value])
 
-=item $font_width = $term->fwidth
+=item $font_width = $term->fwidth ([$new_value])
 
-=item $font_height = $term->fheight
+=item $font_height = $term->fheight ([$new_value])
 
-=item $font_ascent = $term->fbase
+=item $font_ascent = $term->fbase ([$new_value])
 
-=item $terminal_rows = $term->nrow
+=item $terminal_rows = $term->nrow ([$new_value])
 
-=item $terminal_columns = $term->ncol
+=item $terminal_columns = $term->ncol ([$new_value])
 
-=item $has_focus = $term->focus
+=item $has_focus = $term->focus ([$new_value])
 
-=item $is_mapped = $term->mapped
+=item $is_mapped = $term->mapped ([$new_value])
 
-=item $max_scrollback = $term->saveLines
+=item $max_scrollback = $term->saveLines ([$new_value])
 
-=item $nrow_plus_saveLines = $term->total_rows
+=item $nrow_plus_saveLines = $term->total_rows ([$new_value])
 
-=item $topmost_scrollback_row = $term->top_row
+=item $topmost_scrollback_row = $term->top_row ([$new_value])
 
-Return various integers describing terminal characteristics.
+Return various integers describing terminal characteristics. If an
+argument is given, changes the value and returns the previous one.
 
 =item $x_display = $term->display_id