This command controls whether a bell should be emitted for each error
displayed. (Currently bells only ring for the C implementation of
verror and not the Tcl one). If status is 0, no bell is rung.
This page is maintained by
James Bonfield.
Last generated on 21 January 1999.
URL: http://www.mrc-lmb.cam.ac.uk/pubseq/manual/scripting_31.html