on rightclick:
    if event-block = sign:
        if player is sneaking:
            if player has permission "pyraSignEdit.usage":
                set {_packet} to new play_server_open_sign_editor packet
                set location pinfo 0 of {_packet} to (location of event-block)
                send packet {_packet} to player
                set {pyraSignEditor::%player%} to (location of event-block)

on packet event play_client_update_sign:
    if {pyraSignEditor::%player%} = (location of targeted block): 
        cancel event
        set {_lines::*} to (strings array pinfo 0 of event-packet)
        loop 4 times:
            set (line (loop-number) of targeted block) to (coloured {_lines::%loop-number%})
        delete {pyraSignEditor::%player%}