creating rows/cols when resizing empties.

2000-05-17  Jody Goldberg <jgoldberg@home.com>

	* src/sheet.c
	(sheet_{col,row}_size_fit_pixels) : Return 0 if there are no cells.

	* src/summary.c (summary_item_as_text) : Be careful to strdup all strings.
	(g_str_case_equal) : Delete duplicate.
	(g_str_case_hash) : Delete duplicate.
	(summary_info_new) : Use gnumeric_strcase_hash & gnumeric_strcase_equal.

	* src/workbook-cmd-format.c (workbook_cmd_format_{column,row}_auto_fit) :
	  Only mark the sheet as dirty if something was changed.

	* src/stf.c (stf_read_workbook) :  Bring up to date.

	* src/xml-io.c (xml_write_attributes) : Do not use freed memory.

	* src/item-bar.c (item_bar_event) : Autosizing an empty row/col
	  returns 0.