p Check the marshaling facilities (trying to read the result of AIX)
+! setenv GRAS_NO_WARN_EXPERIMENTAL=1
$ gras/datadesc/datadesc_usage --read ${srcdir:=.}/gras/datadesc/datadesc.big32_8_4 --log=test.thres:verbose --log=structs.thres:info "--log=root.fmt:%m%n"
> Read from file datadesc.big32_8_4
> This file was generated on big32_8_4 (7)