Yes, except the last two and this one: https://hg.mozilla.org/comm-central/rev/4cf00667dae3
Bug 1579183 Comment 4 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
Yes, except the last two and this one: https://hg.mozilla.org/comm-central/rev/4cf00667dae3 EDIT and this one: https://hg.mozilla.org/comm-central/rev/83bbcac4d9a6