FontSampler sample sheet display in column major order.

[MattHeffron]

FontSampler sample sheet display in column major order.
Added alternative CharacterSets designations.
Updated documentation.

Resolves #2273

[pamoroso]

I tested this with the output sent to a window and it works, but FontSampler doesn't seem to handle window repaint and reshape. Is this expected?

[MattHeffron]

FontSampler doesn't seem to handle window repaint and reshape. Is this expected?

Yes, this is expected. It's just treating the window as a printer. One and done.

[pamoroso]

When I call FontSample with 'DISPLAY as the printer and NIL as the stream type the output goes to the primary output and the sample sheet is not shown in a window:

To actually show the sample sheet in a window I need to pass T as the printer and 'DISPLAY as the stream type:

[MattHeffron]

@pamoroso I fixed the documentation.

[rmkaplan]

When I call it with
(FontSample '(HELVETICA 10) 0 NIL 'DISPLAY))
I get a blank window.

When I replace the NIL with T, I have gotten misaligned pointer errors and hard crashes

[pamoroso]

With commit bed9819 the documentation is now correct and clearer.

[pamoroso]

It works with no issues in my tests.