Thu Oct 26 17:46:23 PDT 1989
	Fixed bug in 'r' option -- core dumped on some systems if the file
		already existed in the library.
	Added 'V' option.

Fri Oct 27 11:58:42 PDT 1989
	Improve argument error checking and error message.
	Fix core-dump bug in 'update_symdefs' (DON'T check number of symbols in
		deleted files or in __.SYMDEF member).
	More portable generation of temp file name.
