Hugo Landau

Just some minor doc updates for now.

> > How about SSL_net_read_desired and SSL_net_write_desired? > > WFM > > > I don't think it necessarily makes sense to support these functions on ordinary TLS methods but I...

Updated: - More documentation added, including for `DTLSv1_get_timeout` and `DTLSv1_handle_timeout` - Style fixes - Simplify poll descriptor custom interface What do we want to do for `SSL_tick`? As mentioned, there...

Updated: - Renamed `SSL_want_net_read` and `SSL_want_net_write`. - Demux and QTX have been refactored to handle non-transient BIO socket errors correctly, which result in the connection being terminated.

### API error handling It seems to me the issue regarding error handling basically comes down to a fundamental confusion in the role of ERR, which is that ERR seems...

CI is not relevant and it's been more than 24 hours. Will merge soon.

@t8m Can this be merged to 3.1 now?

Fine by me.

Personally I do not think these warnings are valuable. I do not think we want to start adding `(void)foo` to every function where a parameter is unused, or start having...

Merged to master and 3.1. Thank you.