Print preview in 2005 & mtext

If I create an mtext entity on a layer color of green and force some of the
text inside of the mtext to yellow the print preview is showing odd data:

When plotting to our HP1050c it shows the color of the changed text to
actually be yellow, even though all pens in our ctb are set to print black
(including the yellow pen). When plotting to the B/W OCE it shows up as grey
as well, so it isn't a plotter independent thing.

There is yellow text on all of our drawings that is not forced inside of the
mtext editor and it plots properly.

Is this a bug?

 

Yes, you are correct! Someone must have snuck in the color 254,254,1 instead
of color 2 just to fool me here at the office

And yes, we are still using ctb's. I see no reason to change to stb's at
this point.