Added Fl_Text_Display::style_buffer(), solves issue #138

FL/Fl_Text_Display.H

@@ -171,6 +171,13 @@ public:
    \see Fl_Text_Display::buffer(Fl_Text_Buffer& buf)
    */
   Fl_Text_Buffer* buffer() const { return mBuffer; }
+  /**
+   Gets the current style buffer associated with the text widget.
+   Multiple text widgets can be associated with the same style buffer.
+   \return current style buffer
+   \see Fl_Text_Display::highlight_data()
+   */
+  Fl_Text_Buffer* style_buffer() const { return mStyleBuffer; }
 
   void redisplay_range(int start, int end);
   void scroll(int topLineNum, int horizOffset);

src/Fl_Text_Display.cxx

@@ -407,6 +407,7 @@ void Fl_Text_Display::buffer( Fl_Text_Buffer *buf ) {
 
  \todo  "extendRangeForStyleMods" does not exist (might be a hangover
          from the port from nedit). Find the correct function.
+ \see Fl_Text_Display::style_buffer()
  */
 void Fl_Text_Display::highlight_data(Fl_Text_Buffer *styleBuffer,
                                      const Style_Table_Entry *styleTable,