[patch] explain possible conflicts with -dCHARS and cpp

[Eric Christopher]

On Jul 3, 2007, at 11:26 AM, Joseph S. Myers wrote:

> On Tue, 3 Jul 2007, Eric Christopher wrote:
>
>> Here's another run at it. I pretty much used the wording above, but  
>> you can't
>> xref something in another document afaik so we can't xref it to the  
>> gcc
>> manual.
>
> See the documentation for the five-argument form of xref for how to  
> do an
> xref between manuals.

Hey, cool, thanks.

Tested the same way. OK?

-eric

2007-07-03  Eric Christopher  <echristo@apple.com>

	* doc/cppopts.texi: Add conflicting option note to -dM.
	* doc/invoke.texi: Add note about possible conflicts with
	-E for -dCHARS and note that -dM will not produce
	any results if there is no machine dependent reorg.

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