Editing Module:Sandbox/Lord Belbury/Add quotemarks

local p = {}

function p._addquotes(s)
	if s then
		if s:match([[^(['"]).*%1$]]) or s:match([[^‘.*’$]]) or s:match([[^“.*”$]]) then
			-- If the string starts and ends with a quotemark (or starts and ends with an apostrophe), display it unchanged
			return s
		elseif s:match([[(["“”])]]) or s:match([[(['‘’])%s]]) or s:match([[%s(['‘’])]])  or s:match([[^(['‘’])]]) then
			-- Otherwise if the string contains any quotemarks at all, or any apostrophes that aren't in the middle of a word (excluding end-of-string, which may be a possessive)	, display it unchanged and add a hidden category to flag that the template call is providing something more complex than a single literal translation
			return s .. "[[:Category:Articles with unusually formatted quotations]]"
		else
			-- Otherwise (ie. if the string contains no quotemarks, and any apostrophes are in the middles of words), display it surrounded by additional quotemarks
			return "\"" .. s .. "\""
		end
	else
		return "zzz"
	end
end

function p.addquotes(frame)
	local s = (frame.args['s'] or frame.args[1]) or (frame:getParent().args['s'] or frame:getParent().args[1])
	return p._addquotes(s)
end

return p