Modül:Tanımlanmayan parametre denetimi
-- This module may be used to compare the arguments passed to the parent
-- with a list of arguments, returning a specified result if an argument is
-- not on the list
local p = {}
local function trim(s) return s:match('^%s*(. -)%s*$')
end
local function isnotempty(s) return s and s:match('%S')
end
local function clean(text) -- Return text cleaned for display and truncated if too long. -- Strip markers are replaced with dummy text representing the original wikitext.