[Qgis-developer] search and catalog tool

[Barry Rowlingson]

>  I don't see why a catalog index would use a particular standard, it
> would just enable searches in the metadata held by data sources
> according to the standards they may be using. So for a GDAL dataset,
> it would just call g.GetMetadata_List() (I think) and stash the
> returned text in its db.

 Although I've just looked at the OGR api and had a thought - where do
OGR vector layers get their metadata from?