Problem: pattern detection for Dracula language uses "*lvs" and "*lpe".
as there is no dot, those are not treated as extensions which
they should (judging by 'runtime/syntax/dracula.vim' and
common sense).
Solution: use "*.lvs" and "*.lpe" patterns (Evgeni Chasnovski)
closes: vim/vim#153035fb801a74f
Co-authored-by: Evgeni Chasnovski <evgeni.chasnovski@gmail.com>