This is XeTeX, Version 3.14159265-2.6-0.99996 (MiKTeX 2.9 64-bit) (preloaded format=xetex 2018.9.10)  4 DEC 2019 15:45
entering extended mode
**./7_6ex.tex
(7_6ex.tex [1] )
Output written on 7_6ex.pdf (1 page).