+ * Revision 1.11 1995/03/02 10:18:48 adam
+ * Bug fix.
+ *
+ * Revision 1.10 1995/03/02 08:06:03 adam
+ * Fml function strsub implemented. New test files marc[45].fml.
+ * New test options in fmltest.
+ *
+ * Revision 1.9 1995/02/27 09:01:20 adam
+ * Regular expression support. Argument passing by name option. New FML
+ * function strlen.
+ *
+ * Revision 1.8 1995/02/23 08:32:05 adam
+ * Changed header.
+ *
+ * Revision 1.6 1995/02/10 18:15:52 adam
+ * FML function 'strcmp' implemented. This function can be used to
+ * test for existence of MARC fields.
+ *
+ * Revision 1.5 1995/02/09 14:37:18 adam
+ * Removed .depend from cvs. Removed function fml_mk_list.
+ *
+ * Revision 1.4 1995/02/09 14:33:37 adam
+ * Split source fml.c and define relevant build-in functions in separate
+ * files. New operators mult, div, not, llen implemented.
+ *
+ * Revision 1.3 1995/02/09 13:07:15 adam
+ * Nodes are freed now. Many bugs fixed.
+ *
+ * Revision 1.2 1995/02/06 15:23:26 adam
+ * Added some more relational operators (le,ne,ge). Added increment
+ * and decrement operators. Function index changed, so that first
+ * element is 1 - not 0. Function fml_atom_val edited.
+ *
+ * Revision 1.1.1.1 1995/02/06 13:48:10 adam
+ * First version of the FML interpreter. It's slow and memory isn't
+ * freed properly. In particular, the FML nodes aren't released yet.