-- This module implements {{anchor}}.



local getArgs = require('Module:Arguments').getArgs

local tableTools = require('Module:TableTools')



local p = {}



function p.main(frame)

	-- Get the positional arguments from #invoke, remove any nil values,

	-- and pass them to p._main.

	local args = getArgs(frame)

	local argArray = tableTools.compressSparseArray(args)

	return p._main(unpack(argArray))

end



function p._main(...)

	-- Generate the list of anchors.

	local anchors = {...}

	local ret = {}

	for _, anchor in ipairs(anchors) do

		ret#ret + 1 = '<span class="anchor" id="' .. anchor .. '"></span>'

	end

	return table.concat(ret)

end



return p