my ($changed_raw, $del_raw);
($changed_raw, $del_raw, $IkiWiki::lastrev) = $IkiWiki::hooks{rcs}{rcs_find_changes}{call}->($IkiWiki::lastrev);
($files, $pages)=process_changed_files($changed_raw, $del_raw);
my ($changed_raw, $del_raw);
($changed_raw, $del_raw, $IkiWiki::lastrev) = $IkiWiki::hooks{rcs}{rcs_find_changes}{call}->($IkiWiki::lastrev);
($files, $pages)=process_changed_files($changed_raw, $del_raw);