Color transformation issues

[gunnsth]

Issues with certain test files:

Black in background

000008.pdf Black outline box appears around "Mar 27, 2017, 2K50 pm AEDT"
000011.pdf Light text columns on page 2 have become dark e.g. "Technical Support"
000023.pdf Black box appears at top left of page 1
000058.orig.pdf Black background appears below "A marketing email ... "

Other issues

000040.pdf Blue text has same gray level as black text
000050.pdf Blend on left of page 1 is not printed

[anovik]

It is a very old issue and we don't have these files in our test set anymore. So closing it.