Comments. Fixed warnings.

imgui_internal.h

@@ -1887,15 +1887,14 @@ struct ImGuiLocEntry
 // Macros used by Recoverable Error handling
 // - Only dispatch error if _EXPR: evaluate as assert (similar to an assert macro).
 // - The message will always be a string literal, in order to increase likelihood of being display by an assert handler.
-// - The intent is that you may rewire this macro to dispatch dynamically:
-//   - On programmers machines, when debugger is attached, on direct imgui API usage error: always assert!
-//   - On exception recovery and script language recovery: you may decide to error log.
+// - See 'Demo->Configuration->Error Handling' and ImGuiIO definitions for details on error handling.
+// - Read https://github.com/ocornut/imgui/wiki/Error-Handling for details on error handling.
 #ifndef IM_ASSERT_USER_ERROR
 #define IM_ASSERT_USER_ERROR(_EXPR,_MSG)    do { if (!(_EXPR) && ImGui::ErrorLog(_MSG)) { IM_ASSERT((_EXPR) && _MSG); } } while (0)    // Recoverable User Error
 #endif
 
-
-typedef void    (*ImGuiErrorCallback)(ImGuiContext* ctx, void* user_data, const char* msg); // Function signature for g.ErrorCallback
+// The error callback is currently not public, as it is expected that only advanced users will rely on it.
+typedef void (*ImGuiErrorCallback)(ImGuiContext* ctx, void* user_data, const char* msg); // Function signature for g.ErrorCallback
 
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