for _,def in ipairs(Manifest) do
		if Definitions[def] then  -- TODO: why do we need this?
			local contents = Definitions[def].data
			for _,line in ipairs(contents) do
				if line:lower():find(filter) then
					table.insert(result, def)
					break
				end

	-- We can only search definitions that have source code
	for def in pairs(Definitions) do
		local contents = Definitions[def].data
		for _,line in ipairs(contents) do
			if line:lower():find(filter) then
				table.insert(result, def)
				break