Module:Br separated entries

local p = {}

local function _main( args )
    local t = {}
    local sep = '<br />'
    for k, v in pairs( args ) do
        if type( k ) == 'number' and k >= 1 and math.floor( k ) == k then
            table.insert( t, v )
            if mw.ustring.match( v, '%S' ) then
                table.insert( t, sep )
            end
        end
    end
    if t[ #t ] == sep then
        table.remove( t )
    end
    return table.concat( t )
end

function p.main( frame )
    local args
    if frame == mw.getCurrentFrame() then
        args = frame:getParent().args
        for k, v in pairs( frame.args ) do
            args = frame.args
            break
        end
    else
        args = frame
    end
    return _main( args )
end

return p