Convert _toTITLE_utf8_flags to legal name

Author: khwilliamson

handy.h

@@ -2373,12 +2373,12 @@ END_EXTERN_C
 /* For internal core use only, subject to change */
 #define toFOLD_utf8_flags_(p,e,s,l,f)  to_utf8_fold_flags_(p,e,s,l,f)
 #define toLOWER_utf8_flags_(p,e,s,l,f) to_utf8_lower_flags_(p,e,s,l,f)
-#define _toTITLE_utf8_flags(p,e,s,l,f) to_utf8_title_flags_(p,e,s,l,f)
+#define toTITLE_utf8_flags_(p,e,s,l,f) to_utf8_title_flags_(p,e,s,l,f)
 #define _toUPPER_utf8_flags(p,e,s,l,f) to_utf8_upper_flags_(p,e,s,l,f)
 
 #define toFOLD_utf8_safe(p,e,s,l)   toFOLD_utf8_flags_(p,e,s,l, FOLD_FLAGS_FULL)
 #define toLOWER_utf8_safe(p,e,s,l)  toLOWER_utf8_flags_(p,e,s,l, 0)
-#define toTITLE_utf8_safe(p,e,s,l)  _toTITLE_utf8_flags(p,e,s,l, 0)
+#define toTITLE_utf8_safe(p,e,s,l)  toTITLE_utf8_flags_(p,e,s,l, 0)
 #define toUPPER_utf8_safe(p,e,s,l)  _toUPPER_utf8_flags(p,e,s,l, 0)
 
 #define isALPHA_LC_utf8(p, e)         isALPHA_LC_utf8_safe(p, e)

pp.c

@@ -4151,9 +4151,9 @@ PP_wrapped(pp_ucfirst, 1, 0)
 
         if (op_type == OP_UCFIRST) {
 #ifdef USE_LOCALE_CTYPE
-            _toTITLE_utf8_flags(s, s +slen, tmpbuf, &tculen, IN_LC_RUNTIME(LC_CTYPE));
+            toTITLE_utf8_flags_(s, s +slen, tmpbuf, &tculen, IN_LC_RUNTIME(LC_CTYPE));
 #else
-            _toTITLE_utf8_flags(s, s +slen, tmpbuf, &tculen, 0);
+            toTITLE_utf8_flags_(s, s +slen, tmpbuf, &tculen, 0);
 #endif
         }
         else {