[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Surrogates and character representation
Per Bothner scripsit:
> It's the other way round. Using UTF-8 as in internal representation is
> just fine for *applications*. The problem is that certain *API*s have a
> concept of indexing into a string, and unfortunately R5RS is one of
> them. In itself indexing of strings is a useless feature, as it can be
> replaced by a sequential-access cursor/iterator API - but historically
> the Scheme cursor/iterator API uses integers for the "cursor". And
> existing code moves the "cursor" forwards by adding 1.
By the same token, random-access disks are a useless feature, for they
can be replaced by sequential-access DECtapes that can be rewound and
selectively rewritten. But at a price.
Where the wombat has walked, John Cowan <jcowan@xxxxxxxxxxxxxxxxx>
it will inevitably walk again. http://www.ccil.org/~cowan