[poppler] proposal: render dark text as black

[Jon Cruz]

On Mar 8, 2010, at 10:44 AM, leidola at newcon.de wrote:

> Digging a bit further it seems as if acroread does something like using
> a "luminescence threshold" below which the printed text is defined as
> black, even if it is not gray, but something like
> 
> rgb 0.140993 0.121996 0.125002 
> 
> Is doing the same feasible? And if yes, where is the right way to put
> it? Knowing where to start, I could try to create a patch.
> 
> 
> (*): It looks as if there is a halo around the letters of the text;
> it's not clear.

Might it be doing CMYK values and using "rich black" to create good print output?
http://en.wikipedia.org/wiki/Rich_black