[PATCH, doc RFA] Add guile gdb parameter support

[Eli Zaretskii]

> From: Doug Evans <xdje42@gmail.com>
> Date: Wed, 21 May 2014 12:41:03 -0700
> 
> This patch adds gdb parameter support to guile.

Thanks.

> +@var{name} is the name of the new parameter.  If @var{name} consists

See my comments for the previous patch regarding this.

> +If it is a function, it takes one parameter, the <gdb:parameter> object
                                                    ^^^^^^^^^^^^^^^
@code missing.

> +@deffn {Scheme Procedure} parameter-value parameter
> +Return the value of parameter @var{parameter} which may either be

You can lose the first "parameter", I think.

The documentation is OK with those fixed.