DOCBOOK: WHich version of DocBook to use?

I'm just installing Docbook (version 3.1.x) on my system, but I'm not sure
whether I should work with SGML or XML versions.

Any idea/suggestion?
Carlos


--
 p |Carlos E. Araya
 - |WebCT Project Coordinator - New Media Specialist
 G |Center for Faculty Development

email	:  (prefered)		| Phone (408) 924 2859
Web	: http://valinor.sjsu.edu/~elrond/	| fax 	(408) 924 2439
	  http://www.silverwolf-net.net (under construction)

finger  for PGP key
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LIFE: You can't control the length, but you can control the depth and
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