zwily/cinch — comment on commit 682bd12667f1b586adda316a9b615d8b93f9f6e5
File:  line 0
By zwily:

OK, Net::BufferedIO#writeline will always add \r\n, so it's not necessary to append your own. Also, Net::BufferedIO is deprecated in 1.9 so you may want to replace it.