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balloon help bombs

At 10:17 AM 5/4/93 +0000, Andre Koehorst wrote:
>REGARDING                balloon help bombs
>Using balloon help with empty strings crashes my machine (FX, system 7.1, 32
>MEG, EGC installed) and that of several colleagues. In one instance a file
>containing code dissapeared from the desktop after a restart and I haven't
>found it back. Opening MCL after a restart crashed my machine another time. Now
>all seems well again.
>Any ideas what might cause this?

Date: Fri, 30 Apr 1993 16:00:25 -0600
To: welch@aristotle.ils.nwu.edu (John Welch)
From: bill@cambridge.apple.com (Bill St. Clair)
Subject: Re: Balloon Help Bug
Cc: bug-mcl

At 13:14 4/30/93 -0500, John Welch wrote:
>        I don't know if this is a known problem so forgive me if I am reporting
>something you are already aware of. Balloon Help can't seem to handle views with
>an empty string in their help-spec. As soon as you pass the mouse over the view
>MCL crashes. I know that putting an empty string in the help-spec is silly, but
>I think MCL should handle it a little more gracefully than crashing.

This is a known bug that has been fixed internally. We'll probably
eventually post the updated source for "help-manager.lisp". If you want
it sooner, I'll be happy to send it to you.