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Re: [PATCH] prec: add a switch for memory doesn't record query

> From: Hui Zhu <teawater@gmail.com>
> Date: Fri, 18 Jun 2010 12:59:49 +0800
> 
> Some words in the doc is not very well.  Did some small change.

Thanks.

> +Control the behavior when PREC cannot record memory change of next
> +instruction.  If ON, @value{GDBN} will query when it cannot record
> +memory change of next instruction.

First, please don't use "PREC", this is not a term we use in the
manual.

Second, I think a short explanation of why this could happen is in
order.

> +If this option is OFF(the default), @value{GDBN} will auto ignore this
> +issue.  It can handle it with itself.

This is too mysterious.  I think we should have at least some
explanation of what this auto handling does.  Otherwise, the reader
will not be able to decide whether to set this on or not.
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