[PATCH 8/8] Add Rust documentation

[Eli Zaretskii]

> From: Tom Tromey <tom@tromey.com>
> Cc: Tom Tromey <tom@tromey.com>
> Date: Tue, 26 Apr 2016 20:49:31 -0600
> 
> This patch adds documentation for the new Rust support in gdb.

Thanks.  This patch is good to go, with a few minor comments below
fixed.

> +@itemize @bullet
> +@item
> +Linespecs are never relative to the current crate.  Instead, they act
> +as if there were a global namespace of crates, somewhat similar to the
> +way @code{extern crate} behaves.

Please add here a cross-reference to where linespecs are described in
the manual.

> +@value{GDBN} does not implment type inference for generics.  In order
                         ^^^^^^^^
A typo.

> +@item
> +As of this writing, the Rust compiler has a few holes in the debugging
> +information it generates.  These holes prevent certain features from

It might be a good idea to state here the version of the Rust compiler
for which the following description is true.