--- a/util/caps.lua	Wed Feb 28 18:12:20 2018 +0100
+++ b/util/caps.lua	Wed Feb 28 20:06:26 2018 +0100
@@ -13,6 +13,7 @@
 local ipairs = ipairs;
 
 local _ENV = nil;
+-- luacheck: std none
 
 local function calculate_hash(disco_info)
 	local identities, features, extensions = {}, {}, {};