'=X,writeq(X),write(X)?'=X,writeq(X),write(X)?
.
"=X,writeq(X),write(X)?"=X,writeq(X),write(X)?
.
X: (writeq(X), write("?"))?
.
X:write(X)?
.
X: (write(X), put(63))?
.
self?
