2010-07-13  Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* gnumeric-expr-entry.h (gnm_expr_entry_find_range): return a
	  boolean indicating that a range selection would make sense
	* gnumeric-expr-entry.c (gnm_expr_entry_find_range): return a
	  boolean indicating that a range selection would make sense
	(yytokentype): use the token names from parser.c
	(split_char_p): deleted
	(gee_check_tooltip): change the token names
	(gee_find_lexer_token): new
	(gnm_expr_entry_find_range): rewrite using gnm_expr_lex_all
	(gnm_expr_entry_can_rangesel): use the return value of
	  gnm_expr_entry_find_range