anchor.diff:  #  Unbind(PrintPromptHook);
   
  +LoadPackage("io");
   LoadPackage("json");
   
   # Set the prompt to something that pexpect can
  
positive.code: UnbindGlobal("HELP_SHOW_MATCHES");
  DeclareGlobalFunction("HELP_SHOW_MATCHES");
  InstallGlobalFunction(HELP_SHOW_MATCHES, function( books, topic, frombegin )
  local   exact,  match,  x,  lines,  cnt,  i,  str,  n;
  
    # first get lists of exact and other matches
    x := HELP_GET_MATCHES( books, topic, frombegin );
  
negative.code:   elif 1 = Length(exact) or (0 = Length(exact) and 1 = Length(match)) then
      if Length(exact) = 0 then exact := match; fi;
      i := exact[1];
      return GET_HELP_URL(i);
  
    # more than one topic found, show overview in pager
    else
  