+ [
+ P.Magic
+ (P.List0
+ (P.Layout (P.Box (P.H,
+ [ P.Literal (`Symbol "|");
+ P.Variable (P.TermVar "ugo");
+ P.Magic (P.Opt (P.Layout (P.Box (P.H,
+ [ P.Literal (`Symbol ",");
+ P.Variable (P.TermVar "pino")]))));
+ P.Literal (`Symbol "|");
+ ])),
+ Some (`Symbol ";")));
+(* P.Literal (`Symbol "+");