help.html: better to set all recent help entries to empty.
help.html: better to set all recent help entries to empty.

mcandre/factor,mcandre/factor,mcandre/factor,erg/factor,mcandre/factor,erg/factor,erg/factor,erg/factor,erg/factor,erg/factor,mcandre/factor,mcandre/factor,mcandre/factor,erg/factor