Adds @clipboard to the list of clipboards in which the selection contents of @buffer are available.
In most cases, @clipboard will be the GdkClipboard returned by [method@Gtk.Widget.get_primary_clipboard] for a view of @buffer.
a GdkClipboard
See Implementation
Adds @clipboard to the list of clipboards in which the selection contents of @buffer are available.
In most cases, @clipboard will be the GdkClipboard returned by [method@Gtk.Widget.get_primary_clipboard] for a view of @buffer.