Problem with microtype and pdftricks

[Robert]

On 28.02.22 23:32, Herbert Schulz wrote:
> 
> ! Use of \MT at prot@group doesn't match its definition.
> <recently read> \bgroup

See here: https://github.com/schlcht/microtype/issues/10

This should hopefully fix it (I cannot test it for lack of ghostscript):

\def\MT at prot@group{\bgroup\afterassignment\MT at prot@get at firstchar\let\MT at temp= 
}

Best,
-- 
  Robert