allow GUI to customize prompts at startup * octave-link.h (octave_link::set_default_prompts, octave_link::do_set_default_prompts): New functions. * octave-qt-link.h, octave-qt-link.cc (octave_qt_link::do_set_default_prompts): New function. * input.h, input.cc (set_default_prompts): New function. * defaults.cc (install_defaults): Call set_default_prompts. * octave.cc (traditional): New static variable. (octave_process_command_line): Set it and defer calling maximum_braindamage until after defaults have been set. (octave_initialize_interpreter): Call sysdep_init and install_defaults here. (octave_main): Not here. * main-cli.cc (main): Or here. * main.cc (main): Or here.

--- a/libgui/src/octave-qt-link.cc
+++ b/libgui/src/octave-qt-link.cc
@@ -251,6 +251,16 @@
 }
 
 void
+octave_qt_link::do_set_default_prompts (std::string& ps1, std::string& ps2,
+                                        std::string& ps4)
+{
+  ps1 = ">> ";
+  ps2 = "";
+  ps4 = "";
+}
+
+
+void
 octave_qt_link::do_insert_debugger_pointer (const std::string& file, int line)
 {
   emit insert_debugger_pointer_signal (QString::fromStdString (file), line);