2003-01-21  Roland McGrath  <roland@redhat.com>

	* strace.c (usage): Omit -z, since it has never worked properly.
	* NEWS: Likewise.
	* strace.c (main): Grok new option `-E var=val' or `-E var' to put
	var=val in environ or to remove var, respectively.
	(usage): Mention it.
	* strace.1, NEWS: Document it.
2 files changed