[XeTeX] \font "<platform font>":color=FFFFFF produces black, not white glyphs \font "<platform font>":color=FFFFFF produces black, not white glyphs, re-visited

[Ulrike Fischer]

Am Mon, 25 May 2020 12:00:42 +0100 schrieb Philip Taylor:

> Way back in 2015, I asked :
...

>> A work around is to set the color to FFFFFF00 (or any other
>> value for the alpha since xdvipdfmx does not support transparency
>> currently).
 
> and at the time, that appeared to solve my problem. However, it
> would appear that since then "xdvipdfmx" has been enhanced to
> support transparency, as a result of which Khaled's suggested
> FFFFFF00 no longer works 

Well that is the problem when accepting "work-arounds" as
"solutions".

> Could anyone tell me how, short of using \specials, I can achieve
> 100% white with 100% opacity (= 0% ink) in XeTeX ?

Instead of looking for the next workaround I would suggest to do
this time the right thing: Report the problem to the dvipdfmx
maintainer and ask them to properly support the colors FFFFFF and
FFFFFFFF. 


-- 
Ulrike Fischer 
http://www.troubleshooting-tex.de/