rgb2xyz whitepoint illuminant 'e' bug

In MATLAB documentation the function rgb2xyz allows the choice of the whitepoint reference illuminant 'e', whereas the only valid illuminants for the function whitepoint are: {'icc','d50','d55','d65','c','a'}, so an exception is thrown.

So, more than a question this might be a bug detection on the function whitepoint.m

Answer 1

[DGM]

While the rgb2xyz() docs do list the E illuminant in R2015b, it wasn't actually added until sometime after R2015b. I don't know when it was added, but it is present by R2019b. So yes, I would call that a bug.

The update isn't in the release notes anywhere that I can find.

In accordance with tradition, there seems to be no mention of this bug in the bug reports.