Setup:
$ . $TESTDIR/setup.sh
$ alias ag="$TESTDIR/../ag --noaffinity --workers=1 --parallel --color"
$ printf 'blahfoofooblah\n' > ./fooblah.txt
Highlights are adjacent:
$ ag --no-numbers foo
\x1b[1;32mfooblah.txt\x1b[0m\x1b[K:blah\x1b[30;43mfoo\x1b[0m\x1b[K\x1b[30;43mfoo\x1b[0m\x1b[Kblah (esc)