Merge branch 'master' into viewport

# Conflicts:
#	docs/CHANGELOG.txt
#	examples/imgui_impl_dx10.cpp
#	examples/imgui_impl_dx11.cpp
#	examples/imgui_impl_dx12.cpp
#	examples/imgui_impl_glfw.cpp
#	examples/imgui_impl_opengl2.cpp
#	examples/imgui_impl_opengl3.cpp
#	examples/imgui_impl_sdl.cpp
#	examples/imgui_impl_vulkan.cpp
#	examples/imgui_impl_win32.cpp
#	imgui.h
#	imgui_demo.cpp

imgui.cpp

@@ -1,4 +1,4 @@
-// dear imgui, v1.67 WIP
+// dear imgui, v1.66b
 // (main code and documentation)
 
 // Call and read ImGui::ShowDemoWindow() in imgui_demo.cpp for demo code.
@@ -684,8 +684,8 @@ CODE
      you to animate labels. For example you may want to include varying information in a window title bar,
      but windows are uniquely identified by their ID. Use "###" to pass a label that isn't part of ID:
 
-       Button("Hello###ID";   // Label = "Hello",  ID = hash of (..., "ID")
-       Button("World###ID";   // Label = "World",  ID = hash of (..., "ID")     // Same as above, even though the label looks different
+       Button("Hello###ID");  // Label = "Hello",  ID = hash of (..., "ID")
+       Button("World###ID");  // Label = "World",  ID = hash of (..., "ID")     // Same as above, even though the label looks different
 
        sprintf(buf, "My game (%f FPS)###MyGame", fps);
        Begin(buf);            // Variable title,   ID = hash of "MyGame"