Comments and reduced ImGuiTextEditState.InitialText[] to 3 KB (assuming average use case of UTF-8 uses 3 bytes charracters)

imgui.cpp

@@ -958,7 +958,7 @@ struct ImGuiTextEditState
 {
     ImGuiID             Id;                             // widget id owning the text state
     ImWchar             Text[1024];                     // edit buffer, we need to persist but can't guarantee the persistence of the user-provided buffer. so we copy into own buffer.
-    char                InitialText[1024*4+1];          // backup of end-user buffer at the time of focus (in UTF-8, unaltered)
+    char                InitialText[1024*3+1];          // backup of end-user buffer at the time of focus (in UTF-8, unaltered)
     size_t              CurLenA, CurLenW;               // we need to maintain our buffer length in both UTF-8 and wchar format.
     size_t              BufSizeA;                       // end-user buffer size, <= 1024 (or increase above)
     float               Width;                          // widget width

imgui.h

@@ -693,7 +693,6 @@ struct ImGuiTextBuffer
     ImVector<char>      Buf;
 
     ImGuiTextBuffer()   { Buf.push_back(0); }
-    ~ImGuiTextBuffer()  { }
     const char*         begin() const { return &Buf.front(); }
     const char*         end() const { return &Buf.back(); }      // Buf is zero-terminated, so end() will point on the zero-terminator
     size_t              size() const { return Buf.size()-1; }
@@ -902,7 +901,7 @@ struct ImFontAtlas
     IMGUI_API void              SetTexID(void* id)  { TexID = id; }
 
     // Helpers to retrieve list of common Unicode ranges (2 value per range, values are inclusive, zero-terminated list)
-    // (Those functions could be static, aren't so simple use case doesn't have to refer to the ImFontAtlas:: type ever if in their code)
+    // (Those functions could be static but aren't so most users don't have to refer to the ImFontAtlas:: name ever if in their code; just using io.Fonts->)
     IMGUI_API const ImWchar*    GetGlyphRangesDefault();    // Basic Latin, Extended Latin
     IMGUI_API const ImWchar*    GetGlyphRangesJapanese();   // Default + Hiragana, Katakana, Half-Width, Selection of 1946 Ideographs
     IMGUI_API const ImWchar*    GetGlyphRangesChinese();    // Japanese + full set of about 21000 CJK Unified Ideographs