[PATCH] Implement IPv6 support for GDB/gdbserver

[Eli Zaretskii]

> From: Sergio Durigan Junior <sergiodj@redhat.com>
> Cc: gdb-patches@sourceware.org,  palves@redhat.com,  jan.kratochvil@redhat.com,  fercerpav@gmail.com,  sekiriki@gmail.com
> Date: Wed, 23 May 2018 19:40:06 -0400
> 
> The square brackets in this case don't mean that the HOST is optional.
> Rather, they *enclose* the hostname.  As explained in the text above
> this, IPv6 introduced a new way to specify URLs: by enclosing them in
> square brackets.  This is because the IPv6 separator (':') is the same
> as the resource (port) separator, which can cause confusion.  Therefore,
> an IPv6 URL can have the form:
> 
>   [::1]:1234

Then perhaps we shouldn't advertise the bracket-less syntax at all,
and only say somewhere that it is accepted for backward compatibility?

> Perhaps I shouldn't use @r{[} and @r{]}?

Yes, @r{..} is definitely wrong in that case, you should drop it.