Tab->Spaces, missing spaces, typos

imgui.h

@@ -1322,7 +1322,7 @@ struct ImFontAtlas
     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
     IMGUI_API const ImWchar*    GetGlyphRangesCyrillic();   // Default + about 400 Cyrillic characters
-    IMGUI_API const ImWchar*    GetGlyphRangesThai();       //Default + Thai charactors
+    IMGUI_API const ImWchar*    GetGlyphRangesThai();       // Default + Thai characters
 
     // Members
     // (Access texture data via GetTexData*() calls which will setup a default font for you.)

imgui_draw.cpp

@@ -1657,7 +1657,7 @@ const ImWchar*  ImFontAtlas::GetGlyphRangesThai()
     static const ImWchar ranges[] =
     {
         0x0020, 0x00FF, // Basic Latin
-		0x0E00, 0x0E7F, //Thai Unicode
+        0x0E00, 0x0E7F, // Thai
         0,
     };
     return &ranges[0];