FWIW I may have seen the same thing. I am not using "automatic parentheses" though. I have seen it at occasion when typing a " in longish files (>1500 lines). This was on version 6.3 (or earlier?).
2016-02-22 21:04 GMT+01:00 'John Clements' via Racket Users < racket-users@googlegroups.com>: > I have several students who are observing truly impressive UI delays in > using DrRacket. Specifically, it often happens when they type a > double-quote (“) with “automatic parentheses” enabled, and after typing the > key, it will take more than 16 seconds for the screen to update and for the > quotes to appear. The delay seems to be shortened significantly by clicking > or hitting the arrow keys, and I suspect this may be related to OS X’s “app > nap” feature, that will shut down an application when it thinks that it > doesn’t need foreground processing. > > Any ideas? > > John > > > > -- > You received this message because you are subscribed to the Google Groups > "Racket Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to racket-users+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- Jens Axel Søgaard -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
