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Subject: Re: DOCBOOK: Language codes with countries
Elliotte Rusty Harold wrote at 18 Jul 2001 09:03:08 -0400: > p. 120 of the Docbook book gives en_US as an example of an ISO 3166 country code for the lang attribute. However, these are normally written using hyphens rather than underscores; e.g. en-US. Which is correct for Docbook? "en_US" or "en-US" is really a question of style. "en_US" is POSIX locale style, and "en-US" is RFC 1766 style. Since, AFAIK, TDG doesn't mention RFC 1766 or xml:lang (which follows RFC 1766 style and which, by this time, many people are familiar with), there's nothing to say that "en_US" is wrong. RFC 1766 was published in March 1995. I don't remember when the lang attribute was added to DocBook, but I expect that it was long before 1995. That, plus DocBook's origins as software documentation and the existence of the "en_US" example in the definitive guide, seems in indicate that "en_US" is more right than it is wrong. OTOH, DocBook in XML that uses xml:lang instead of lang should use RFC 1766 style in the xml:lang attributes. Regards, Tony Graham ------------------------------------------------------------------------ Tony Graham mailto:tony.graham@ireland.sun.com Sun Microsystems Ireland Ltd Phone: +353 1 8199708 Hamilton House, East Point Business Park, Dublin 3 x(70)19708
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