BFD_ASSEMBLER code, not BFD or BFD_HEADERS.) VMS might be the tough one here,
since there's no BFD support for it at all yet. Eliminate the old code.
+Fix lots of uses of empty strings to use null pointers. Will improve
+efficiency, and should make code clearer too.
+
Clean up comments; lots of 'em are one previous maintainer griping about
another previous maintainer, unrelated to the code. (And with no names,
they're not so fun to read. :-)
+Lots of documentation.
+
Get Steve to document H8/500 stuff.
Put together a test suite, using DejaGnu.