2002-10-04  Jody Goldberg <jody@gnome.org>

	* ms-excel-read.c (ms_excel_parse_NAME) : ahhh, I understand now.
	  names with expr_len == 0 represent the placeholders used for unknown
	  names.

2002-10-04  Jody Goldberg <jody@gnome.org>

	* dialog-define-names.c : port to TreeView.

	* dialog-analysis-tools.c : Use the control from the state rather than
	  the tool.

2002-10-04  Jody Goldberg <jody@gnome.org>

	* src/workbook-control.c (wb_control_parse_and_jump) : use the new
	  undo support and handle assigning to a placeholder.

	* src/gnumeric-canvas.h : Clean up the naming convention to use
	  GnmCanvas in all locations.

	* src/expr-name.c (expr_name_add) : its ok if the expr is NULL create
	  a placeholder.
	(expr_name_is_placeholder) : new.

	* src/commands.c (CmdChangeSummary) : this has no business being
	  control specific.
	(CmdPrintSetup) : ditto.
	(CmdDefineName) : new.

	* src/command-context.c (gnumeric_error_calc) : new.
	(gnm...