Sylvain Hubert schrieb am 08.11.2020 um 13:02:
On Sun, 8 Nov 2020 at 11:24, Pablo Rodriguez <oi...@gmx.es
<mailto:oi...@gmx.es>> wrote:
Hi Sylvain,
this is the same as:
\definefontfamily[face1][rm][gabriola]
Just in case, "slanted" is an already defined feature. It slants the
font.
> \definefontfamily[face2][rm][gabriola][it={features:{default,
> effect={}}}]
> \definefontfamily[face3][rm][gabriola][it={features:{default,
> effect={width=1.0}}}]
BTW, the documentation is clear
(http://texdoc.net/texmf-dist/doc/context/presentations/bachotex/2018/bachotex-2018-fonteffects.pdf#search=fontfeature):
font features should be defined as such before being deployed.
> Could someone explain:
I will try from what I understand.
> 1. What does "effect" mean?
A ConTeXt (and not OpenType) font feature?
> Why does "effect={}" embolden the fonts even though nothing ({}) is
> given as arguments?
"effect={}" may be reading default values (it might be intended behavior
or not).
But it also could be reading or calculating from previously defined
values.
> 2. Similarly, what does "width" do? Why does "width=1.0" shrink the
> width of the line instead of doing nothing?
This might be a bug, because of all the code improvements.
I’m reporting a proper bug.
Thank you very much for the explanation and the bug report!
Just in case it helps: the line shrinking disappears with an additional
"delta=0":
\definefontfamily[face3][rm][gabriola][it={features:{default,
effect={width=1.0, delta=0}}}]
Don't set the values within \definefontfamily:
\definefontfeature [myfeature] [effect={width=1.0, delta=0}]
\definefontfamily[face3][rm][gabriola][it={features:{default,myfeature}}]
Wolfgang
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