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&xnnnn;



At the HTML WG meeting, I hope to help sort out the various i18n-related 
errors in Cougar.  This mail deals with one point which is a proposal rather 
than a bug report.

As:

1.  the Cougar document character set is ISO 10646/Unicode, and

2.  that standard uses a hexadecimal character numbering scheme, and

3.  not many people are good at doing hexadecimal-to-decimal conversion in 
    their heads,

it would be helpful to allow hex NCRs.  It would be best to follow the XML 
syntax for this and follow the "&" with an "x".  All of these represent the 
same character:

   A

   &65;

   &x41;  

Note: ISO 10646/Unicode allows more than four hex digits and so implementations 
should be built to cope with NCRs such as "&xnnnnn;".  This does not mean that 
implementations have to, from day one, have the ability to render characters 
beyond U+FFFF.  Implementations are *always* allowed to show a "misssing glyph" 
symbol in place of a character they cannot render.

Misha


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