message_edit: Extract update_edit_history.
message_edit: Extract update_edit_history.

kou/zulip,zulip/zulip,andersk/zulip,rht/zulip,andersk/zulip,kou/zulip,punchagan/zulip,andersk/zulip,kou/zulip,rht/zulip,punchagan/zulip,andersk/zulip,zulip/zulip,hackerkid/zulip,zulip/zulip,punchagan/zulip,hackerkid/zulip,eeshangarg/zulip,hackerkid/zulip,hackerkid/zulip,eeshangarg/zulip,kou/zulip,zulip/zulip,rht/zulip,eeshangarg/zulip,punchagan/zulip,punchagan/zulip,zulip/zulip,andersk/zulip,hackerkid/zulip,punchagan/zulip,andersk/zulip,rht/zulip,eeshangarg/zulip,kou/zulip,kou/zulip,zulip/zulip,hackerkid/zulip,rht/zulip,kou/zulip,eeshangarg/zulip,rht/zulip,hackerkid/zulip,eeshangarg/zulip,rht/zulip,zulip/zulip,punchagan/zulip,eeshangarg/zulip,andersk/zulip