2006-05-18  Morten Welinder  <terra@gnome.org>

	* src/workbook-control-gui.c (cb_share_a_cell): Reinstate code.

	* src/expr.c (gnm_expr_sharer_new): Renamed from
	expr_tree_sharer_new.  Class renamed from ExprTreeSharer to
	GnmExprSharer.
	(gnm_expr_sharer_destroy): Renamed from expr_tree_sharer_destroy.
	(gnm_expr_sharer_share): Renamed form expr_tree_sharer_share and
	changed to use GnmExprTop.

2006-05-18  Morten Welinder  <terra@gnome.org>

	* ms-formula-read.c (excel_parse_formula): Reinstate the call for
	expression sharing.