Verified in Xenial.
grep-2.24-1: #> echo Hello Wörld|LANG=C grep Hello Binary file (standard input) matches
grep-2.25-1~16.04.1: echo Hello Wörld|LANG=C grep Hello Hello Wörld
Verified in Xenial.
grep-2.24-1:
#> echo Hello Wörld|LANG=C grep Hello
Binary file (standard input) matches
grep-2. 25-1~16. 04.1:
echo Hello Wörld|LANG=C grep Hello
Hello Wörld