unlock the Message Box ?

Richmond richmondmathewson at gmail.com
Mon Jun 29 14:07:56 EDT 2015

On 29/06/15 21:06, J. Landman Gay wrote:
> On 6/29/2015 12:36 PM, Richmond wrote:
>> Today, whilst programming at the school one of the kids
>> wanted to close a stack, while keeping another open, and was unable to
>> because he received this message:
>> . . . until you unlock the Message Box
>> 1. How does one lock the Message Box?
>> 2. How does one unlock the MB?
>> 3. How did this happen without any obvious
>> actions on either my behalf or that of my pupil?
> I've never seen that error message, but I'll make a guess anyway. The 
> message box has auto-complete and I've seen some actions refuse to 
> work if there is an auto-complete suggestion in the message box that 
> hasn't been either accepted or removed. If part of the existing 
> message text is dimmed, it's a suggestion that hasn't been dealt with. 
> Hit the right arrow key to accept the suggestion (you don't need to 
> actually execute it) and then try closing the stack.

The problem was that that message was coming up
in a modular window when the Message Box was closed.

> I'm not sure that's actually the problem but it's the first thing I'd 
> try.

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