curl_escape(3) on macOS

The text d5df73eb7f72, as Mac OS X 10.6.8, Mac OS X 10.6.7, Mac OS X 10.6.6, Mac OS X 10.6.5, Mac OS X 10.6.4, Mac OS X 10.6.3 shipped it.

URL encodes the given string

curl_escape(3) on macOS now