eliminate unnecessary uses of octave:: namespace qualifier Affected files: graphics-init.cc, octave-qscintilla.cc, octave-qobject.h, qt-application.h, workspace-view.cc, call-stack.cc, dynamic-ld.cc, error.cc, error.h, event-manager.h, fcn-info.cc, ft-text-renderer.cc, gl-render.cc, gl2ps-print.cc, graphics-toolkit.cc, input.cc, load-path.cc, oct-hist.cc, oct-stream.cc, pager.cc, stack-frame.cc, symscope.cc, sysdep.cc, __ode15__.cc, cdef-class.cc, ov-fcn-handle.cc, ov.cc, ov.h, oct-parse.yy, pt-classdef.h, pt-eval.cc, Range.cc, Range.h, dir-ops.h, file-stat.cc, lo-sysdep.cc, lo-utils.cc, oct-glob.cc, and url-transfer.cc.

--- a/libgui/src/qt-application.h	Mon Oct 05 13:57:00 2020 -0400
+++ b/libgui/src/qt-application.h	Mon Oct 05 15:19:15 2020 -0400
@@ -35,7 +35,7 @@
   // must be included only in the corresponding .cc file.
 
   //! This class inherits from the pure-virtual base class
-  //! octave::application and provides an implementation of the
+  //! application and provides an implementation of the
   //! application::execute method that starts an interface to Octave
   //! that is based on Qt.  It may start a command-line interface that
   //! allows Qt graphics to be used or it may start an interface that