for #263, branch -sdb - exit and quit are backwards compatible

* but they may not work if the debugger is active

.gitignore

@@ -9,6 +9,7 @@
 ._*
 *.rl
 *.log
+.byebug_history
 Makefile
 VERSION.txt
 *-custom.yaml

lib/shoes.rb

@@ -12,7 +12,7 @@
 else
   # Normal shoes: 
   # redefine quit and exit in Ruby to be Shoes implemented methods.
-  # secret_exit_hook # or not
+  secret_exit_hook # maintains backwards compatibility
 end
 ARGV.delete_if { |x| x =~ /-psn_/ }
 
@@ -167,8 +167,8 @@ def self.splash
           para link(strong("Run an App")) { Shoes.show_selector and close }, :margin => 10, :margin_bottom => 4
           para link(strong("Read the Manual")) { Shoes.show_manual and close }, :margin => 10, :margin_bottom => 4
           para link(strong("Maintain Shoes")) {Shoes.cobbler and close}, :margin => 10
-          para link(strong("Debug an App (remote)")) {Shoes.remote_debug and close}, :margin => 10, :margin_bottom => 4
-          para link(strong("Profile an App")) {Shoes.profiler and close}, :margin => 10, :margin_bottom => 4
+          #para link(strong("Debug an App (remote)")) {Shoes.remote_debug and close}, :margin => 10, :margin_bottom => 4
+          #para link(strong("Profile an App")) {Shoes.profiler and close}, :margin => 10, :margin_bottom => 4
           para link(strong("Bundle an App (shy)")) { Shoes.package_app and close }, :margin => 10, :margin_bottom => 4
           para link(strong("Package an App with Shoes")) {Shoes.app_package and close }, :margin => 10, :margin_bottom => 4
 #         para link("Obsolete: Package") { Shoes.make_pack and close }, :margin => 10, :margin_bottom => 4
@@ -264,6 +264,7 @@ def self.run(path)
     end
   end
 
+  # This is the real entry point for shows. It's called from the C startup code
   def self.args!(osx_launch = nil)
     if (ARGV.empty?)
       Shoes.splash if  !osx_launch || osx_launch == '0'

shoes/ruby.c

@@ -4704,8 +4704,8 @@ shoes_ruby_init()
   rb_define_singleton_method(cShoes, "log", CASTHOOK(shoes_log), 0);
   rb_define_singleton_method(cShoes, "show_console", CASTHOOK(shoes_app_console), 0); // New in 3.2.23
   rb_define_singleton_method(cShoes, "terminal", CASTHOOK(shoes_app_terminal), -1); // New in 3.3.2 replaces console
-  rb_define_singleton_method(cShoes, "quit", CASTHOOK(shoes_app_quit), 0);
-  rb_define_singleton_method(cShoes, "exit", CASTHOOK(shoes_app_quit), 0);
+  rb_define_singleton_method(cShoes, "quit", CASTHOOK(shoes_app_quit), 0); // Shoes 3.3.2
+  //rb_define_singleton_method(cShoes, "exit", CASTHOOK(shoes_app_quit), 0);
 
   //
   // Canvas methods
@@ -4728,7 +4728,7 @@ shoes_ruby_init()
   rb_define_method(rb_mKernel, "pattern", CASTHOOK(shoes_pattern_method), 1);
   //rb_define_method(rb_mKernel, "quit", CASTHOOK(shoes_app_quit), 0);
   //rb_define_method(rb_mKernel, "exit", CASTHOOK(shoes_app_quit), 0);
-  rb_define_method(rb_mKernel, "secret_exit_hook", CASTHOOK(shoes_exit_setup),0);
+  rb_define_method(rb_mKernel, "secret_exit_hook", CASTHOOK(shoes_exit_setup),0); //unused?
 
   rb_define_method(rb_mKernel, "debug", CASTHOOK(shoes_canvas_debug), 1);
   rb_define_method(rb_mKernel, "info", CASTHOOK(shoes_canvas_info), 1);
@@ -5240,6 +5240,7 @@ shoes_ruby_init()
   rb_define_method(rb_mKernel, "font", CASTHOOK(shoes_font), 1);
 }
 
+// unused
 VALUE shoes_exit_setup(VALUE self) {
   rb_define_method(rb_mKernel, "quit", CASTHOOK(shoes_app_quit), 0);
   rb_define_method(rb_mKernel, "exit", CASTHOOK(shoes_app_quit), 0);