The JE has exhibited this unfortunate heteropteran behavior for as long as I can remember.  I thought there was no way to fix it, but in talking about it we have come up with an idea.  We will work on it, at low priority.

In the meantime, teach users to use scripts - that's what I used to do.

Henry Rich



On 10/2/2020 1:41 PM, Brian Schott wrote:
I can reproduce the same error in the following script which has no
(explicit) sys_timer but it does have `wd'ptimer 100'`.
In order to make the script work I first deleted  line 16:
if. -. checkrequire_qtdemo_ 'gles';'api/gles' do. return. end.

addons/demos/qtdemo/shader.ijs


Does this broaden the issue or is it the same buffer to which Bill refers?

The bug is quite devastating for the opengl turtle geometry/graphics script
Raul has been helping me to develop.

It means that users cannot define verbs of their own in the standard manner.



On Thu, Oct 1, 2020 at 7:35 PM Raul Miller <[email protected]> wrote:

This is an old jqt problem which still occurs with the current j902 beta g:

X=:1
sys_timer_z_=: 3 :'X_base_=:X_base_+1'
wd'timer 1000'

You can check that X is increasing. This is not the bug, this is
simply to illustrate the bug.

Now, type:

verb define

And, the systimer implementation continually interrupts the user,
presenting an additional blank line each time it runs.

--
Raul




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