Rule of order for dot operators?

[Rustom Mody]

On Sunday, May 17, 2015 at 7:15:13 AM UTC+5:30, Steven D'Aprano wrote:
> On Sun, 17 May 2015 05:40 am, Thomas 'PointedEars' Lahn wrote:
> 
> > C.D. Reimer wrote:
> > ^^^^
> > Who?
> 
> Don't be a dick, Thomas. Lots of people use their initials. You use your
> nickname as part of your sender address, why are you questioning somebody
> for using their initials?

Not only is it a ridiculous objection, I dont even understand what the objection
is.

Among the eminent this is quite common
Dijkstra -- ewd
Stallman -- rms
Eric Raymond -- esr

And even for non-eminent like your truly, most of my working life most people
called me 'rpm' than Rusi/Mody or any such.