›› Re: dot between letters of abbreviation   (11/20/2020, 6:50 PM)

That small centered dot is an interpunct. See the Wikipedia article "Interpunct". How you enter it on a keyboard depends on what the keyboard is attached to. If it is attached to a computer running Microsoft Windows in the US, hold down the Alt key, tap 0183 on the numeric keypad, then release Alt. On a Mac in the US, simultaneously press Option Shift 9
For other devices, consult Wikipedia.

 


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11/04/2020, 5:17 PM dot between letters of abbreviation
11/04/2020, 5:32 PM     Re: dot between letters of abbreviation
11/20/2020, 6:50 PM     Re: dot between letters of abbreviation