ying Ghidra's Javadoc (where available) for a given Ghidra class, method, 
    or variable.  For example, to see Ghidra's Javadoc on the <TT>state</TT> variable, simply do:
    <PRE> 
    >>> help(state)
    #####################################################
    class ghidra.app.script.GhidraState
      extends java.lang.Object

     Represents the current state of a Ghidra tool

    #####################################################

    PluginTool getTool()
       Returns the current tool.

      @r