Changes
Reverted 1 edit by Mr. Stradivarius (talk): Error in module:main while using module:sports table. (TW)
	-- Removes the initial colon from a string, if present.
	return s:match('^:?(.*)')
end
function p.findNamespaceId(link, removeColon)
	-- Finds the namespace id (namespace number) of a link or a pagename. This
	-- function will not work if the link is enclosed in double brackets. Colons
	-- are trimmed from the start of the link by default. To skip colon
	-- trimming, set the removeColon parameter to true.
	checkType('findNamespaceId', 1, link, 'string')
	checkType('findNamespaceId', 2, removeColon, 'boolean', true)
	if removeColon ~= false then
		link = removeInitialColon(link)
	end
	local namespace = link:match('^(.-):')
	if namespace then
		local nsTable = mw.site.namespaces[namespace]
		if nsTable then
			return nsTable.id
		end
	end
	return 0
end
function p._formatLink(link, display)
	-- Find whether we need to use the colon trick or not. We need to use the
	-- colon trick for categories and files, as otherwise category links
	-- categorise the page and file links display the file.
	checkType('_formatLink', 1, link, 'string')
	checkType('_formatLink', 2, display, 'string', true)
	link = removeInitialColon(link)
	local namespace = p.findNamespaceId(link, false)
	local colon = ':'
	-- The following lines were commented out to allow interwiki links to work,
	-- as there is no harm in prefixing all links with colons.
	-- if namespace == 6 or namespace == 14 then
	-- 	colon = ':'
	-- else
	-- 	colon = ''
	-- end
	-- Find whether a faux display value has been added with the {{!}} magic
	-- Assemble the link.
	if display then
		return string.format('[[:%s%s|%s]]', colon, link, display)
	else
		return string.format('[[:%s%s]]', colon, link)
	end
end