[mrtg] weard options [xx] : flag isue.

[Alex van den Bogaerdt]

> Evening groups.
>
> got 2  weard isue here.
> 1:
> I made a config for my weatherstation to show some graphs about weather
> messurement, like indoor/outdoor temperature and humidity
> what works great.
> all graphs are processed with routers2.cgi script
>
> but i got some isues with air pressure and windspeed.
>
> here is the test setup i use for it.
> for some reasons ,when i use the flag options: noo ,or noi
> NO graph for the I or O is drawn.

Here is why:

"Options[_]: gauge,nobanner"

sets a DEFAULT. If nothing else appears in a target, the options are
"gauge,nobanner"

But then you write this:

"Options[testsetup3]: noi"

Here you remove the default, and end up with only "noi". But you _need_
gauge for your data.