-Time-stamp: <2003-12-15 22:51:49 blp>
+Time-stamp: <2004-02-03 18:31:06 blp>
TODO
----
+random.c should not know about set_seed.
+
+Probably should get rid of approx.h. The user really needs to be responsible
+for his own precision.
+
Use AFM files instead of Groff font files, and include AFMs for our default
fonts with the distribution.
See if process_active_file() has wider applicability.
-Looks like there's a potential problem with value labels--we use free_val_lab
-from avl_destroy(), but free_val_lab doesn't decrement the reference count, it
-just frees the label. Check into this sometime soon.
-
Eliminate private data in struct variable through use of pointers.
Fix som_columns().