intro Error: Empty PR number
FreeBSD Port Tools 1.00.2014.03.12
Usage:	port followup [-h] [-m <mode>] [-d <diff mode>] [-L] [-n <PR number>]
	-h	- Display this usage summary
	-m <mode> - Override automatic mode selection:
		new - submitting new port
		change - changing a port
		update - updating a port to newer version
	-d <diff mode> - Select diff generation mode:
		SVN - against SVN
		GIT - against git
		<dir> - against Ports tree in <dir>
		<pattern> - against original port in <pwd><pattern>
	-n <PR number> - Select the PR you want to followup to
	-P	- Don't send the followup; print to stdout
	-c	- committer mode: more portlint(1) checks
	-L	- Skip running portlint(1)
Use fetch(1) instead of curl(1)
Make attaching diffs work.