`sgrep' (structured grep) is a tool for searching text files and
filtering text streams using structural criteria.  Complex criteria
can be specified as macros using M4.

Sgrep was created by:

	Jani Jaakkola, email:Jani.Jaakkola@helsinki.fi
	Pekka Kilpelainen, email: Pekka.Kilpelainen@helsinki.fi

WWW: http://www.cs.helsinki.fi/u/jjaakkol/sgrep.html