I may have found an issue with jit.window and interp 1 when displaying
a 1 char matrix.
When sending a 1 plane matrix to a jit.window with interp off, it
displays as expected (blocky, greyscale). If interp is turned on, it
no longer shows the expected matrix, and it is in color.
max 5.0.5, osx 10.5.5, macbook pro