Hi Pablo, On Mon, May 10, 2021 at 06:53:21PM +0200, Pablo Neira Ayuso wrote: > Add a catchall expression (EXPR_SET_ELEM_CATCHALL). > > Use the underscore (_) to represent the catch-all set element, e.g. Why did you choose this over asterisk? We have the latter as wildcard symbol already (although a bit limited), so I think it would be more intuitive than underscore. Cheers, Phil