Another test case is downloading
"https://people.debian.org/~jak/a b/c"
with apt-helper. That fails in 1.2.18 and succeeds in 1.2.19.
Another test case is downloading
"https:/ /people. debian. org/~jak/ a b/c"
with apt-helper. That fails in 1.2.18 and succeeds in 1.2.19.