2002-10-18  Morten Welinder  <terra@diku.dk>

	* src/expr.c (gnm_expr_get_constant): New function.

	* src/stf.c (stf_open_and_read): Seek to beginning of input, just
	in case.
	(stf_read_default_probe): Don't probe at file name level.

2002-10-18  Morten Welinder  <terra@diku.dk>

	* sc.c (sc_parse_let): Handle expressions.  Turn constant
	expressions into values.

2002-10-18  Morten Welinder  <terra@diku.dk>

	* applix-read.c (applix_read_impl): Plug leak.