~samwhited/xmpp

ref: a42ef11e9469b0b65746f979e1bdf5155d1c13dd xmpp/ping/example_test.go -rw-r--r-- 614 bytes
all: update copyright message

[ci skip]
all: fix tests
ping: rename PingIQ to IQ
ping: implement XEP-0199: XMPP Ping