It's worth pointing out that the numbering following TIS 620 relates to
year numbering systems used in Thailand much like revisions of ISO
standards take dates five years apart following ISO directives.
John Clews
In message <9612032243.AA02072@Unicode.ORG> unicode@Unicode.ORG writes:
> Geoffrey Waigh wrote, [Re: Thai encoding standards:]
>
> >Hello, the Unicode standard had it's Thai assignment based on TIS 620-2529
> >which I was about to order from our standards body. Alas, it was
> >withdrawn in 1990 and has been replaced with TIS 620-2533. Can anyone
> >tell me how significant the differences are and if possible what they are?
> >If there are any significant changes, does someone know how well deployed
> >these two standards are?
> >
> >Thank-you,
> >
> >Geoffrey Waigh
> >gwaigh@teklogix.com
>
> Geoffrey, here is some information which may help you:
>
> TIS620-2533 is the revised TIS620-2529. There's no significant difference
> between the two. TIS620-2529 has been withdrawn and replaced by TIS620-
> 2533. Only minor details and clarifications are put into the 2533 version.
> As far as Thai codepoints are concerned, they are identical.
>
> Hope this helps.
>
> Ibrahim Meru
> meru@vnet.ibm.com
> IBM National Language Technical Centre,
> IBM Canada Laboratory,
> Toronto, Canada.
>
-- John Clews (Character Set Development) tel: +44 (0) 1423 888 432 SESAME Computer Projects, 8 Avenue Road Harrogate, HG2 7PG, United Kingdom email: 10646er@sesame.demon.co.uk
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