Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!samsung!aplcen!haven!ncifcrf!nlm-mcs!adm!smoke!gwyn
From: gwyn@smoke.BRL.MIL (Doug Gwyn)
Newsgroups: comp.lang.c
Subject: Re: A new one on me...
Message-ID: <11706@smoke.BRL.MIL>
Date: 29 Nov 89 19:48:52 GMT
References: <1989Nov28.221224.6106@world.std.com>
Reply-To: gwyn@brl.arpa (Doug Gwyn)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 10

In article <1989Nov28.221224.6106@world.std.com> bzs@world.std.com (Barry Shein) writes:
>In a pd program I ran into a line like this:
>	if(c == '')

It's quite possible that in the original source code there was a control
character between the '', for example ctrl-G for ASCII BEL.  I've seen a
fair amount of code like that.

The control character could have been removed by somebody's mailer, text
editor, or numerous other "helpful" utilities.