[OSM-dev] Re: OpenLayers, GeoRSS and annotations demo

[Raphaël Jacquot]

nick at hogweed.org wrote:
> Well it does something, but I get a slightly funky output in IE. I suspect 
> this is not an OpenLayers issue, but rather an issue with the way transparent 
> PNGs are handled in PHP/GD (had difficulty recently combining a Ruby 
> compositer with these transparent PNGs for example...)

no, that'd be the broken PNG support in IE.

> Regarding the GIF option, now the Unisys patent has expired I don't have any 
> objections to GIF.

gif doesn't handle alpha channels. just bitmap transparency.