[python][patch] PR pyton/11381

[Eli Zaretskii]

> Date: Thu, 08 Apr 2010 18:20:51 +0100
> From: Phil Muldoon <pmuldoon@redhat.com>
> 
> 2010-04-08  Phil Muldoon  <pmuldoon@redhat.com>
> 
> 	* gdb.texinfo (Pretty Printing): Document behaviour when to_string
> 	returns None.

OK for this part.

Thanks.