summary on server-side SLD support

[Kralidis,Tom [Burlington]]

> 
> a lot of discussion, in my opinion the wanted behaviour would be:
> 
> 1) new keyword SLD which can reference a file or url
> 2) classes are loaded into layer but are immutable (cannot be 
> changed, use a flag for this)
> 3) when saving the MAP object, the generated classes are not 
> saved and only the SLD keyword plus its value is saved.
> 
> I think if you link in a style from an external SLD document 
> (in a Mapscript session eg with Chameleon), you want to take 
> into account changes in this SLD document into your map 
> image. That's one of the points of working with an external 
> document for styles.
> 
> Is this also the perception of the others, i.e. can we agree on this?
> 

Seems fine to me.