Update runtime files
diff --git a/runtime/syntax/debsources.vim b/runtime/syntax/debsources.vim
index 74e8d42..4b21941 100644
--- a/runtime/syntax/debsources.vim
+++ b/runtime/syntax/debsources.vim
@@ -2,7 +2,7 @@
" Language: Debian sources.list
" Maintainer: Debian Vim Maintainers
" Former Maintainer: Matthijs Mohlmann <matthijs@cacholong.nl>
-" Last Change: 2018 Aug 11
+" Last Change: 2018 Oct 30
" URL: https://salsa.debian.org/vim-team/vim-debian/blob/master/syntax/debsources.vim
" Standard syntax initialization
@@ -25,7 +25,7 @@
\ 'oldstable', 'stable', 'testing', 'unstable', 'experimental',
\ 'wheezy', 'jessie', 'stretch', 'sid', 'rc-buggy',
\
- \ 'trusty', 'xenial', 'bionic', 'cosmic', 'devel'
+ \ 'trusty', 'xenial', 'bionic', 'cosmic', 'disco', 'devel'
\ ]
let s:unsupported = [
\ 'buzz', 'rex', 'bo', 'hamm', 'slink', 'potato',