Pasting large text causes freak-out (really long text hangs up the browser).

[mckoss]

Enter:

So she was considering in her own mind (as well as she could, for the
hot day made her feel very sleepy and stupid), whether the pleasure
of making a daisy-chain would be worth the trouble of getting up and
picking the daisies, when suddenly a White Rabbit with pink eyes ran
close by her.

There was nothing so VERY remarkable in that; nor did Alice think it so
VERY much out of the way to hear the Rabbit say to itself, 'Oh dear!
Oh dear! I shall be late!' (when she thought it over afterwards, it
occurred to her that she ought to have wondered at this, but at the time
it all seemed quite natural); but when the Rabbit actually TOOK A WATCH

Result:

Displays lines 4-8 (that's correct) - but with some characters randomly cycling to other letters.

Expect:

Display lines 4-8 (the "middle" lines in this group) - but should terminate the animation and stop.

[grg021]

Animation now terminates with this input. Fixed this issue using the clipText function.

[mckoss]

ok