[Openmcl-devel] Visual Bugs in the IDE
lw at mt.net
Wed May 20 20:25:30 UTC 2009
Sorry, but I just can't resist -
In picturing what might lead you to type a long run of carriage
returns, I have this image of you sleeping and drooling on the keyboard.
On May 20, 2009, at 1:44 PM, Ron Garret wrote:
> On May 20, 2009, at 2:43 AM, John McAleely wrote:
>> - Opening the file 'md5.lisp' (sourced from the internet some time
>> ago, attached), and scrolling it with the mouse/vertical scroll
>> bar, resulted in the syntax colouring inverting from time to time
>> (code became blue, strings black). I could not reproduce this with
>> other files, but it was very reliable with md5.lisp across multiple
>> invocations of the IDE. This occurs as the function 'md5sum-stream'
>> is in the visible area, near the center of the window.
> I've produced what I believe to be a minimal reproduction of this
> bug (file enclosed). You can *add* just about anything to this
> minimal file and still produce the bug, but removing any of the
> characters in the file seems to make the problem go away.
> Note that the file contains a long run of blank lines. Those are
> necessary. The bug depends on the size of the window in which the
> file is being displayed. The more blank lines (actually they don't
> have to be blank, but the carriage returns have to be there) the
> larger the window can be and still manifest the problem.
> In the course of investigating this I discovered the following
> charming behavior: if you type a string into the listener that
> consists of a carriage return, an open-paren, and then a long run of
> carriage returns (60 or so), the listener will become unresponsive
> (i.e. subsequent forms will fail to be evaluated).
> It's been a fun morning.
> Openmcl-devel mailing list
> Openmcl-devel at clozure.com
More information about the Openmcl-devel