bug#17905: 24.3.50; writing with a giant font triggers RTL text entry

[Stefan Monnier]

> If it only shows up when point is in a partially visible line, then
> the bug is that Emacs lets point be displayed in such a line.

Probably (tho I don't know why this causes point to be changed).

> It is supposed to scroll the display to have the line with point be
> fully visible.

I know, but I confirm that point (and the corresponding cursor) is at
the leftmost position of the partially displayed screen line in that case.


        Stefan