has_sub
Description:
Checks whether the element id exists in the SVG document.
Element IDs should look like an URL fragment identifier; for example, pass `foo` (hash `foo`) to get the geometry of the element
that has an `id="foo"` attribute.
Parameters:
| this |
a [class@Rsvg.Handle] |
| id |
An element's id within the SVG, starting with "#" (a single hash character), for example, ` |
Returns:
|
`TRUE` if |