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Dare Obasanjo wrote:
> S-exprs are equivalent to XML for a large class of XML users.
And yet, they're not. See below.
First of all if you think about why most people use XML
you'll realize it's mostly because of the network effect
and not anything intrinsically fantastic about angle brackets.
It's more interesting to wonder why XML is amenable to 'the network
effect' as you call it. If you believe in such nework effects, you
can't begin to compare sexprs to XML as being equivalent, certainly
not in this posible world.
From that perspective, most users of XML could just be
as well served with S-expressions which for all intents
and purposes would be equivalent to XML for their use cases.
The point is that they don't use sexprs, or ASN1, or CSV files. They
use XML. Syntax matters; all these 'equivalent' formats and XML
trumps the lot, for publishing /and/ data transfer.
> PS: I do think that Wadler's paper is extremely mistitled.
Bill de hÓra