---
This message is a formal comment which was submitted to [EMAIL PROTECTED],
following the requirements described at: http://www.r6rs.org/process.html
---
Type: Defect
Priority: Major
Component: I/O
Version: 5.92
The procedures make-custom-binary-input-port and
make-custom-binary-output-port allow one to create
custom binary ports. However, there seems to be
no way to create similar textual ports. I guess
in theory one might be able to wrap a transcoder
around a custom binary port but that seems horribly
wrong when there is no underlying byte stream.
Specifically, it should be possible to implement
open-string-input-port and open-string-output-port
using purely public procedures.
Furthermore, open-string-input-port should return
a seekable port. See my other comment.
'allow port position to be "magic cookie"'
--
--Per Bothner
[EMAIL PROTECTED] http://per.bothner.com/
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