This has happen during e.g. failed compilation. Object compile: '^^'.
On Fri, Sep 8, 2017 at 3:01 PM, Ben Coman <b...@openinworld.com> wrote: > > > On Fri, Sep 8, 2017 at 2:46 AM, Tim Mackinnon <tim@testit.works> wrote: > >> Hi there - I’ve been running in a 6.1 64bit image for a few days - doing >> a few experiments at lunch times, debugging things etc. I have had a few >> infinite loops that I’ve had to Cmd-. Out of and clean up lots of windows >> (whoever came up with the close all windows to right is a star!). >> > > Thx. Open source is all about scratching your itch. > https://pharo.fogbugz.com/f/cases/14627/Taskbar-Close-all-windows-to-right > > > >> >> Anyway, I just noticed that now when I drag windows around in the world - >> they leave lots of window trails around. Redrawing the screen cleans it up >> - but I’m wondering what causes this? >> > > This crops up from time to time (I've experience it occasionally) but the > problem has not been definitively isolated. To me it seems environment has > an effect. > Which OS what graphics chipset do you have? > > cheers -ben >