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Re: lynx-dev Display of SGML Greek Math entities -- solution

From: David Woolley
Subject: Re: lynx-dev Display of SGML Greek Math entities -- solution
Date: Fri, 16 Aug 2002 21:33:04 +0100 (BST)

>       An HTML numeric character reference is to map directly to a 
>       character in the document's character set.

No.  It maps to ISO 10646 regardless of the transfer character set++.
This is why ’, from Front Page, etc., is invalid.   HTML undergoes
an extra character set transformation before it gets treated as 
SGML; that transformation is specified in the HTTP Content-Type
header, or, in default, by the the equivalent meta element.

>       An HTML SGML character entity is to map to a representation 
>       that *depends on* the *display* capabilities.

An SGML character entity maps to the numeric character reference specified
in the entity definition file.

++ For early versions of HTML, it mapped to ISO 8859/1, which is a proper
subset of ISO 10646.  Those versions didn't have named Greek entities!

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