browseRGtk2Files: no visible global function definition for 'gtkWindow'
browseRGtk2Files: no visible global function definition for 'gtkVBox'
browseRGtk2Files: no visible global function definition for
  'gtkToolbar'
browseRGtk2Files: no visible global function definition for 'gtkHPaned'
browseRGtk2Files: no visible global function definition for 'gtkFrame'
browseRGtk2Files: no visible global function definition for
  'gtkTextView'
browseRGtk2Files: no visible global function definition for
  'gtkScrolledWindow'
browseRGtk2Files: no visible global function definition for
  'gtkStatusbar'
browseRGtk2Files: no visible global function definition for
  'rGtkDataFrame'
browseRGtk2Files: no visible global function definition for
  'gtkTreeView'
browseRGtk2Files: no visible global function definition for
  'gtkTreeViewColumn'
browseRGtk2Files: no visible global function definition for
  'gtkCellRendererText'
browseRGtk2Files: no visible binding for global variable 'PangoStyle'
browseRGtk2Files: no visible global function definition for 'gtkAction'
browseRGtk2Files: no visible global function definition for
  'gSignalConnect'
browseRGtk2Files: no visible global function definition for
  'gtkToolButton'
browseRGtk2Files: no visible global function definition for
  'gtkSeparatorToolItem'
browseTclTkFiles : addScrollbars: no visible global function definition
  for 'ttkscrollbar'
browseTclTkFiles : addScrollbars : <anonymous>: no visible global
  function definition for 'tkxview'
browseTclTkFiles : addScrollbars: no visible global function definition
  for 'tkconfigure'
browseTclTkFiles : addScrollbars : <anonymous>: no visible global
  function definition for 'tkset'
browseTclTkFiles : addScrollbars: no visible global function definition
  for 'tkgrid'
browseTclTkFiles : addScrollbars: no visible global function definition
  for 'tkgrid.columnconfigure'
browseTclTkFiles : addScrollbars: no visible global function definition
  for 'tkgrid.rowconfigure'
browseTclTkFiles: no visible global function definition for
  'tktoplevel'
browseTclTkFiles: no visible global function definition for
  'tkwm.title'
browseTclTkFiles: no visible global function definition for 'ttkframe'
browseTclTkFiles: no visible global function definition for 'tkpack'
browseTclTkFiles: no visible global function definition for 'tkmenu'
browseTclTkFiles: no visible global function definition for
  'tkconfigure'
browseTclTkFiles: no visible global function definition for
  'ttkpanedwindow'
browseTclTkFiles: no visible global function definition for 'tcl'
browseTclTkFiles: no visible global function definition for
  'ttktreeview'
browseTclTkFiles: no visible global function definition for 'tktext'
browseTclTkFiles: no visible global function definition for 'ttklabel'
browseTclTkFiles: no visible global function definition for
  'tktag.configure'
browseTclTkFiles : showFileInTextBuffer: no visible global function
  definition for 'tkdelete'
browseTclTkFiles : showFileInTextBuffer: no visible global function
  definition for 'tkinsert'
browseTclTkFiles : showFileInTextBuffer: no visible global function
  definition for 'tksee'
browseTclTkFiles: no visible global function definition for 'tkbind'
browseTclTkFiles : <anonymous>: no visible global function definition
  for 'tcl'
browseTclTkFiles : evalBuffer: no visible global function definition
  for 'tclvalue'
browseTclTkFiles : evalBuffer: no visible global function definition
  for 'tkget'
browseTclTkFiles : evalRegion: no visible global function definition
  for 'tclvalue'
browseTclTkFiles : evalRegion: no visible global function definition
  for 'tkget'
browseTclTkFiles : evalSelection: no visible global function definition
  for 'tclvalue'
browseTclTkFiles : evalSelection: no visible global function definition
  for 'tkget'
browseTclTkFiles : evalLine: no visible global function definition for
  'tclvalue'
browseTclTkFiles : evalLine: no visible global function definition for
  'tkget'
browseTclTkFiles: no visible global function definition for 'ttkbutton'
browseTclTkFiles : <anonymous>: no visible global function definition
  for 'tclvalue'
browseTclTkFiles : <anonymous>: no visible global function definition
  for 'tkget'
browseTclTkFiles : <anonymous>: no visible global function definition
  for 'tkconfigure'
browseTclTkFiles : tagRegion: no visible global function definition for
  'tktag.configure'
browseTclTkFiles : tagRegion: no visible global function definition for
  'tktag.remove'
browseTclTkFiles : tagRegion : getLine: no visible global function
  definition for 'tclvalue'
browseTclTkFiles : tagRegion : getLine: no visible global function
  definition for 'tkget'
browseTclTkFiles : tagRegion : getPosFromIndex: no visible global
  function definition for 'tclvalue'
browseTclTkFiles : tagRegion : getPosFromIndex: no visible global
  function definition for 'tcl'
browseTclTkFiles : tagRegion: no visible global function definition for
  'tktag.add'
browsegWidgetsFiles: no visible global function definition for
  'gwindow'
browsegWidgetsFiles: no visible global function definition for
  'gstatusbar'
browsegWidgetsFiles: no visible global function definition for
  'gpanedgroup'
browsegWidgetsFiles: no visible global function definition for 'gframe'
browsegWidgetsFiles: no visible global function definition for 'gtable'
browsegWidgetsFiles : <anonymous>: no visible global function
  definition for 'svalue'
browsegWidgetsFiles : <anonymous>: no visible global function
  definition for 'svalue<-'
browsegWidgetsFiles : <anonymous>: no visible global function
  definition for 'gtext'
browsegWidgetsFiles: no visible global function definition for 'ggroup'
browsegWidgetsFiles: no visible global function definition for
  'addSpring'
browsegWidgetsFiles: no visible global function definition for
  'gbutton'
browsegWidgetsFiles: no visible global function definition for
  'gnotebook'
browsegWidgetsFiles: no visible global function definition for
  'visible<-'
browsegWidgetsFiles: no visible global function definition for
  'svalue<-'
showGtkWidgetInfo: no visible global function definition for 'gtkEntry'
showGtkWidgetInfo: no visible global function definition for
  'gtkNotebook'
showGtkWidgetInfo: no visible global function definition for
  'gtkTextBuffer'
showGtkWidgetInfo: no visible global function definition for
  'gtkWindow'
showGtkWidgetInfo: no visible global function definition for
  'gtkVBoxNew'
showGtkWidgetInfo: no visible global function definition for
  'gtkStatusbar'
showGtkWidgetInfo: no visible global function definition for
  'gtkHBoxNew'
showGtkWidgetInfo: no visible global function definition for 'gtkHBox'
showGtkWidgetInfo: no visible global function definition for 'gtkLabel'
showGtkWidgetInfo : <anonymous>: no visible global function definition
  for 'gtkTextView'
showGtkWidgetInfo : <anonymous>: no visible global function definition
  for 'gtkScrolledWindow'
showGtkWidgetInfo : <anonymous>: no visible global function definition
  for 'gtkLabel'
showGtkWidgetInfo: no visible global function definition for 'gtkVBox'
showGtkWidgetInfo: no visible global function definition for
  'gtkEntryCompletionNew'
showGtkWidgetInfo: no visible global function definition for
  'gtkListStore'
showGtkWidgetInfo: no visible global function definition for
  'gtkTextView'
showGtkWidgetInfo: no visible global function definition for
  'gtkScrolledWindow'
showGtkWidgetInfo : getSignalText: no visible global function
  definition for 'gtkTypeGetSignals'
showGtkWidgetInfo : getMethodsText: no visible global function
  definition for 'apropos'
showGtkWidgetInfo : possibleMethods: no visible global function
  definition for 'apropos'
showGtkWidgetInfo : getMethodForObject: no visible global function
  definition for 'help'
showGtkWidgetInfo: no visible global function definition for
  'gSignalConnect'
Undefined global functions or variables:
  PangoStyle addSpring apropos gSignalConnect gbutton gframe ggroup
  gnotebook gpanedgroup gstatusbar gtable gtext gtkAction
  gtkCellRendererText gtkEntry gtkEntryCompletionNew gtkFrame gtkHBox
  gtkHBoxNew gtkHPaned gtkLabel gtkListStore gtkNotebook
  gtkScrolledWindow gtkSeparatorToolItem gtkStatusbar gtkTextBuffer
  gtkTextView gtkToolButton gtkToolbar gtkTreeView gtkTreeViewColumn
  gtkTypeGetSignals gtkVBox gtkVBoxNew gtkWindow gwindow help
  rGtkDataFrame svalue svalue<- tcl tclvalue tkbind tkconfigure
  tkdelete tkget tkgrid tkgrid.columnconfigure tkgrid.rowconfigure
  tkinsert tkmenu tkpack tksee tkset tktag.add tktag.configure
  tktag.remove tktext tktoplevel tkwm.title tkxview ttkbutton ttkframe
  ttklabel ttkpanedwindow ttkscrollbar ttktreeview visible<-
Consider adding
  importFrom("utils", "apropos", "help")
to your NAMESPACE file.