Re: Can we make set_point_both less expensive?

[Stefan Monnier]

> I suppose we agree that when the entire window text is intangible, no
> "classic" solution to this problem exists.

Indeed.

> Then the second incarnation of p-r-f will have to move the window's
> point to the start or end of the intangible area, whichever is nearer
> to the window point established by redisplay.  Or do I miss something?

More important than "nearer" would be "after window-start and before
window-end" to avoid inf-looping.

>> Implement a new `cursor-intangible' property, by having p-r-f move point
>> away from text with that property.
> Strictly spoken I see no reason why the display engine should not handle
> that property by itself.

It's complicated enough as it is.


        Stefan