[PATCH v2 3/3] Documentation changes for the new zero-hexadecimal format

[Eli Zaretskii]

> From: Luis Machado <lgustavo@codesourcery.com>
> Date: Thu, 7 May 2015 14:36:47 -0300
> 
> This patch updates the documentation to reflect the addition of the new
> zero-hexadecimal format option for -var-set-format and also adds a NEWS entry
> for the change.
> 
> I changed it from zhexadecimal to zero-hexadecimal so the IDE folks can
> properly translate the string to something more reasonable.

This is OK, but please make the ChangeLog entries more
self-explanatory.  Right now, they are not really informative:

	* NEWS: Add new note to MI changes.
	* gdb.texinfo (GDB/MI Variable Objects): Update text for
	-var-set-format.

They should mention "zero-hexadecimal", at the least.