2001-12-23 Andreas J. Guelzow <aguelzow@taliesin.ca>

	* introduction.sgml : split into introduction.sgml and
	  worksheet.sgml, incorporating some of the old unused,
	  worksheet.sgml.
	* gnumeric.sgml : support split
	* worksheet.sgml : minor updates, still severely out of date
	* figures/worksheet-info-1.png : updated
	* figures/worksheet-running-calc-1.png : updated