Hi all,
I'm not able to check this minute, but I wonder if lmmono is being
"special-cases" by luaotfload -- would explain the results you're seeing.
In fontspec if you load it with \setmonofont the stretch and shrink should be
forced to zero, but I can agree it would be good to get to the
Hi,
test file
% Tested with TeXLive 2016, up-to-date.
% xetex
\XeTeXtracingfonts=1
\font\test="[lmmono10-regular.otf]"\test
% result otherwise with luatex:
% (I don't know how to load font with luatex without luaotfload.sty)
%\input luaotfload.sty
%\font\test=[lmmono10-regular]:\test