2010-07-21  Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* src/func.c (gnm_func_get_description): new
	* src/func.h (gnm_func_get_description): new
	* src/symbol.c (symbol_names_cb): new
	(symbol_names): rewrite to work in gtk 2.12 and to provide more info

2010-07-21  Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* gnumeric-expr-entry.c (gee_create_tooltip): add argument
	(gee_set_tooltip_completion): create the tooltip in 2 parts, function
	  names with description and instructions
	(gee_check_tooltip): the list now contains function descriptors