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Tom Emerson scripsit:
> > For example, I can create a file called "\uD802.ss" in Windows. How
> > would I be able to open this file in Scheme with the given proposal?
>
> Well, U+D802 is invalid, since it must be paired.
It is indeed invalid Unicode. Unfortunately, Win32 filenames are not Unicode
strings; they are vectors of almost-arbitrary 16-bit values (certain values
are prohibited). Similarly, Posix filenams are not strings either; they
are vectors of almost-arbitrary 8-bit values.
Vectors, though, are not a sensible interface to file systems; filenames are
thought of as strings, accessed as strings, and almost always do correspond
to strings. The occasional deficiencies in this model just have to be
swallowed.
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The man that wanders far cowan@xxxxxxxx
from the walking tree http://www.ap.org
--first line of a non-existent poem by: John Cowan