[Arm-netbook] mailing list etiquette

[Pablo Rath]

On Mon, Jun 19, 2017 at 05:50:47PM +0100, Luke Kenneth Casson Leighton wrote:
> >> [snipped unnecessary context and adding this sentence to indicate
> >>  that that action has been taken]

Is an indicator like above the preferred way on this list to show a part of the message has been trimmed? 
I am asking because I usually trim messages when replying but did not
insert such markers in square brackets.

kind regards
Pablo