% -*- texinfo -*-
% @deftypefn {Function File} {[@var{l}, @var{c}, @var{m}, @var{msg}] =} colstyle (@var{s})
% Parse a linespec and return its components. The linetype is returned
% as the variable @var{l}, the color as @var{c} and the marker type as
% @var{m}. If the linespec is incorrectly parsed, do not return an
% error but rather return the error as the argument @var{msg}.
% @end deftypefn