2001-12-21  Andreas J. Guelzow <aguelzow@taliesin.ca>

	* html.h : Add html40frag_file_save
	* plugin.xml.in : ditto
	* html.c (html_print_encoded) : changed from
	(html_write_cell_content) : changed from html_write_cell_str
	(write_row) : new procedure figuring out merges and spans
	(write_cell) : formerly html_write_cell40 and html_write_cell32
	(write_sheet) : new procedure
	(html32_file_save) : changed to wrapper calling html_file_save
	(html40_file_save) : changed to wrapper calling html_file_save
	(html40frag_file_save) : new wrapper calling html_file_save
	(html_file_save) : common code of html32_file_save and
	  html40_file_save