Loads the SVG specified by @data. Note that this function creates an
[class@Rsvg.Handle] without a base URL, and without any [flags@Rsvg.HandleFlags]. If you
need these, use [ctor@Rsvg.Handle.new_from_stream_sync] instead by creating
a [class@Gio.MemoryInputStream] from your data.
Loads the SVG specified by @data. Note that this function creates an [class@Rsvg.Handle] without a base URL, and without any [flags@Rsvg.HandleFlags]. If you need these, use [ctor@Rsvg.Handle.new_from_stream_sync] instead by creating a [class@Gio.MemoryInputStream] from your data.