Module:IsLatin

--[[ 	Source script:	https://it.wikivoyage.org/wiki/Modulo:IsLatin 	Maintainer:		Andyrom75 ]] local function _isDefined(s) 	return s ~= '' and s end  local p = {}  function p.IsLatin(frame) 	return frame.args and p.IsLatinValue(frame.args[1]) or '' end  function p.IsLatinValue(txt) 	if _isDefined(txt) then 		local len = mw.ustring.len(txt) 		local pos = 1 		while ( pos <= len ) do 			local charval = mw.ustring.codepoint(mw.ustring.sub(txt, pos)) 			-- note 8364 is the € symbol 			if charval>687 and charval~=8364 then 				return -1 			end  			pos = pos + 1 		end 		return 1 	else 		return 0 	end end  return p