+#define ENABLE_TIZEN_USE_SETTINGS_FONT 1 /* Hyeonji Kim(hyeonji.kim@samsung.com) : When font-family is "Tizen", use system's setting font as default font-family */
+#define ENABLE_TIZEN_PARAGRAPH_SEPARATOR_FIX 1 /* Michal Pakula (m.pakula@samsung.com) : This is a quick fix for a bug where new paragraph was not created on contenteditable area with image and text nodes inside span tag */
+#define ENABLE_TIZEN_CONTENT_EDITABLE_BACKSPACE 1 /* Wojciech Bielawski(w.bielawski.com) : This is a quick fix for a bug where after pressing backspace image was moved not correctly */
+#define ENABLE_TIZEN_PRESERVE_PROPERTIES_WHEN_PARAGRAPH_MERGE 1 /* Grzegorz Czajkowski (g.czajkowski@samsung.com): This is a quick fix for background-color and text-decoration defined in class are not copied when paragraph is merged. We erroneously copy only CSS inheritable properties via removeNonEditingProperties(). */
+
+#if ENABLE(TEXT_AUTOSIZING)
+#define ENABLE_TIZEN_TEXT_AUTOSIZING 1 /* Jaehun Lim(ljaehun.lim@samsung.com) : for Tizen environment */
+#endif