Revert "help.syntax: prevent unnecessary ambiguous-use-errors."
Revert "help.syntax: prevent unnecessary ambiguous-use-errors."

This reverts commit b14f6853c2e4691a2b6aa0e52f31918d47efde77.

mrjbq7/factor,tgunr/factor,factor/factor,bpollack/factor,tgunr/factor,tgunr/factor,mrjbq7/factor,factor/factor,bpollack/factor,bpollack/factor,factor/factor,factor/factor,tgunr/factor,factor/factor,factor/factor,bpollack/factor,mrjbq7/factor,tgunr/factor,bpollack/factor,bpollack/factor,mrjbq7/factor,tgunr/factor,bpollack/factor,mrjbq7/factor,mrjbq7/factor