Re: [PATCH] Add function window-line-width

[martin rudalics]

> A line with X characters should have the width of all thoses characters.
> I see that 'window-largest-empty-rectangle' uses this function, the widths
> of the rectangles it returns are smaller than they really are.

There's always the problem that we want to reserve space for a block
cursor at line end.

> I tested the following code:
[...]
> `(time (test1))` returns 0.000004869
> `(time (test2))` returns 0.00376

Then we probably should rewrite 'window-text-pixel-size' as Eli
suggested earlier.

martin