bug#23431: 25.0.93; EWW hangs

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Date: Tue, 03 May 2016 17:57:59 +0200
> Cc: 23431@debbugs.gnu.org
> 
> First of all: Can the animation function determine that it's making
> Emacs unresponsive?  I guess it could keep track of how much time is
> passing between each time it's called, and if that's longer than the
> timeout, it should ... postpone itself a bit further to allow some
> keystrokes to get in between each frame?

Can you show how that function is called on the Lisp level?