GLIB_AVAILABLE_IN_ALL
gunichar g_unichar_totitle (gunichar c) G_GNUC_CONST;
-/* If C is a digit (according to `g_unichar_isdigit'), then return its
+/* If C is a digit (according to 'g_unichar_isdigit'), then return its
numeric value. Otherwise return -1. */
GLIB_AVAILABLE_IN_ALL
gint g_unichar_digit_value (gunichar c) G_GNUC_CONST;