This function formats an object of class koma_seq for better readability.
It formats the equations to ensure proper spacing around operators and aligns
the equations for a cleaner display. Priors are read from x$priors and
shown in front of the term they belong to, with the error-term prior last.
Equation specific settings are read from x$equation_settings and appended
in square brackets.
Usage
# S3 method for class 'koma_seq'
format(x, ...)