PATCH: allow detail listeners to write to other files

[Alan DeKok]

John Morrissey wrote:
>>   Ideally, also please put *all* of your patches into a branch.  Using the
>> "master" branch for your local patches makes integration difficult.
> 
> Done, and done.

  Applied, thanks.

  Also, most development is done on the "stable" branch.  The "master"
branch has a number of other changes that might not ever make it into a
release.

  Alan DeKok.