message: imconfig.h comments
diff: //#define IMGUI_API __declspec( dllexport )
  //#define IMGUI_API __declspec( dllimport )
  -//---- Don't define obsolete functions names. Consider enabling from time to time or when updating to reduce like hood of using already obsolete function/names
  +//---- Don't define obsolete functions names. Consider enabling from time to time or when updating to reduce likelihood of using already obsolete function/names
  #define IMGUI_DISABLE_OBSOLETE_FUNCTIONS
  -//---- Include imgui_user.h at the end of imgui.h
  -//#define IMGUI_INCLUDE_IMGUI_USER_H
  -
  -//---- Don't implement default handlers for Windows (so as not to link with OpenClipboard() and others Win32 functions)
  -//#define IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS
  -//#define IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS
  +//---- Don't implement default handlers for Windows (so as not to link with certain functions)
  +//#define IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS // Don't use and link with OpenClipboard/GetClipboardData/CloseClipboard etc.
  +//#define IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS // Don't use and link with ImmGetContext/ImmSetCompositionWindow.
  //---- Don't implement demo windows functionality (ShowDemoWindow()/ShowStyleEditor()/ShowUserGuide() methods will be empty)
  -//---- It is very strongly recommended to NOT disable the demo windows. Please read the comment at the top of imgui_demo.cpp to learn why.
  +//---- It is very strongly recommended to NOT disable the demo windows. Please read the comment at the top of imgui_demo.cpp.
  //#define IMGUI_DISABLE_DEMO_WINDOWS
  //---- Don't implement ImFormatString(), ImFormatStringV() so you can reimplement them yourself.
  //#define IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS
  -//---- Pack colors to BGRA instead of RGBA (remove need to post process vertex buffer in back ends)
  +//---- Include imgui_user.h at the end of imgui.h as a convenience
  +//#define IMGUI_INCLUDE_IMGUI_USER_H
  +
  +//---- Pack colors to BGRA8 instead of RGBA8 (if you needed to convert from one to another anyway)
  //#define IMGUI_USE_BGRA_PACKED_COLOR
  -//---- Implement STB libraries in a namespace to avoid linkage conflicts
  +//---- Implement STB libraries in a namespace to avoid linkage conflicts (defaults to global namespace)
  //#define IMGUI_STB_NAMESPACE ImGuiStb
  //---- Define constructor and implicit cast operators to convert back<>forth from your math types and ImVec2/ImVec4.
  +// This will be inlined as part of ImVec2 and ImVec4 class declarations.
  /*
  #define IM_VEC2_CLASS_EXTRA \
  ImVec2(const MyVec2& f) { x = f.x; y = f.y; } \
  operator MyVec4() const { return MyVec4(x,y,z,w); }
  */
  -//---- Use 32-bit vertex indices (instead of default: 16-bit) to allow meshes with more than 64K vertices
  +//---- Use 32-bit vertex indices (instead of default 16-bit) to allow meshes with more than 64K vertices. Render function needs to support it.
  //#define ImDrawIdx unsigned int
  //---- Tip: You can add extra functions within the ImGui:: namespace, here or in your own headers files.
  -//---- e.g. create variants of the ImGui::Value() helper for your low-level math types, or your own widgets/helpers.
  /*
  namespace ImGui
  {
  - void Value(const char* prefix, const MyMatrix44& v, const char* float_format = NULL);
  + void MyFunction(const char* name, const MyMatrix44& v);
  }
  */
  