def precmd(self, line):
        """Support for help"""
        if line.startswith('help'):
            if not q("`help in key`.q"):
                try:
                    q("\\l help.q")
                except kerr:
                    return '-1"no help available - install help.q"'
        if line == 'help':
            line += "`"
        return line
Support for help