#define GTK_TEXT_UNKNOWN_CHAR 0xFFFC
#define GTK_TEXT_UNKNOWN_CHAR_UTF8_LEN 3
const gchar *gtk_text_unknown_char_utf8_gtk_tests_only (void);
-const gchar _gtk_text_unknown_char_utf8[GTK_TEXT_UNKNOWN_CHAR_UTF8_LEN+1];
+extern const gchar _gtk_text_unknown_char_utf8[GTK_TEXT_UNKNOWN_CHAR_UTF8_LEN+1];
gboolean gtk_text_byte_begins_utf8_char (const gchar *byte);