functions, from David Gillespie.
* intervals.h (Ftext_property_any, Ftext_property_all): Declare them.
extern Lisp_Object Fnext_property_change (), Fprevious_property_change ();
extern Lisp_Object Fadd_text_properties (), Fset_text_properties ();
extern Lisp_Object Fremove_text_properties (), Ferase_text_properties ();
+extern Lisp_Object Ftext_property_any (), Ftext_property_all ();
extern Lisp_Object copy_text_properties ();
extern void syms_of_textprop ();