[R6RS] some response issues

[dyb at cs.indiana.edu]

> #54: This is a duplicate of ticket #21, which was captured twice (once 
> by me and once by someone else).  I plan not to publish it.

Okay.

> #23: the message which effectively withdrew the comment did so "in favor 
> of providing an example of this usage", where "this usage" presumably 
> refers to constructing a file-options object from a list of symbols. 
> Should the reponse mention that the editors will provide a suitable 
> example in the next draft?

I just added text to this effect.

> #107: We discussed specifying #!cs and #!ci in a non-normative appendix. 
>   Should the response mention this?

I just added text to this effect, without committing to a particular
pair of prefixes.

> #117 doesn't actually say that we're rejecting the suggestion, although 
> I suppose it's strongly implied.

I just modified the reponse to make this clear.

Kent