[NTG-context] font pathes with colons

Ulrike Fischer news3 at nililand.de
Fri Jun 8 23:51:36 CEST 2018

I have been playing around with lua fonts and investigating where to
store and how to load them. 

The best with luaotfload and latex seems to be currently to get
(with a kpse call) the absolute path and then load with the "xetex"

\font\duckchessfont =
  "misc fonts"))}]:mode=node;+liga;+tlig;original=latinmodernsans

This worked but I also saw in the log curious messages

luaotfload | load : font option

I investigated a bit. I'm on windows and imho this looks as if the
syntax parser is splitting after the C: of the drive and putting the
rest in the specification.detail field.

As far as I can see the code which does the splitting is in
font-def.lua and so part of the generic code. Is there anything that
can be done to correct his? Or can one somehow protect the colon
after c: to be interpretated as file-detail separator?

Ulrike Fischer 

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