connect(3socket) should document timeout values
connect(3socket) documents that it can time out:
ETIMEDOUT Connection establishment timed out without establishing a connection.
but it doesn't say what the timeout value is or how it's controlled. That might be protocol-specific, but I think connect(3socket) should at least refer to whatever protocol-specific manual page documents the timeouts, and then tcp(7p) should probably document what the default value is and how to override it, assuming that's possible.