Module:Rail-interchange multi explained

local p =

function p.row(frame) local data = frame.args[1] local div = frame.args['div'] local result, sep, default = , local args = data = mw.text.split(data, '+') for i1, v1 in ipairs(data) do args = if v1 ~= and v1 ~= '\\' then local tmp = mw.text.split(v1, '\\') if i1

1 then default = tmp[1] else sep = ' ' end for i2, v2 in ipairs(tmp) do if i2 < 5 then if i2

1 then args[i2] = (string.find((v2 or ), '^%s*$') and default or v2) else args[i2] = (string.find((v2 or ), '^%s*$') and nil or v2) end end end if args[1] or args[2] then result = result .. sep .. frame:expandTemplate end end end if div

'yes' or div

'y' then result = '

' .. result .. '

' end return resultend

function p.doublerow(frame) local data = frame.args[1] local result, sep, default = , local args = local sep_code = data = mw.text.split(data, '+') for i1, v1 in ipairs(data) do args = if v1 ~= and v1 ~= '\\' then local tmp = mw.text.split(v1, '\\') if i1

1 then default = tmp[1] else sep = sep_code[i1 % 2] end for i2, v2 in ipairs(tmp) do if i2 < 5 then if i2

1 then args[i2] = (string.find((v2 or ), '^%s*$') and default or v2) else args[i2] = (string.find((v2 or ), '^%s*$') and nil or v2) end end end if args[1] or args[2] then result = result .. sep .. frame:expandTemplate end end end result = '

' .. result .. '

' return resultend

return p