Use external editor in 'commands' command

[Eli Zaretskii]

> Date: Wed, 14 Jan 2009 22:32:03 -0200
> From: Alfredo Ortega <ortegaalfredo@gmail.com>
> 
> I see. This updated patch contains my proposed documentation changes
> to gdb.texinfo and refcard.tex. I hope that the patch format is
> adequate.

Thanks you.

First, please also submit ChangeLog entries for your changes, both in
code and in documentation.

> +@item commands @r{[}@var{bnum}@r{]} edit
> +This spawns an external editor for adding or editing commands. the final  @code{end} is not necessary in this case. @xref{Choosing your Editor}.
                                                                  ^^^
Capital "T" here.

Also, please leave 2 blanks after a period that ends a sentence.

> +@node Choosing your Editor
>  @subsection Choosing your Editor

Adding a @node requires that you also modify the @menu in its parent
node, otherwise makeinfo will barf.

> +\qquad {\it command-list}&execute GDB {\it command-list} every time breakpoint {\it n} is reached. \opt{{\tt silent} suppresses default display}  \opt{{\tt edit} use external editor for commands}
                                                                   ^^^
A period missing here.