--- parser3/src/include/pa_string.h	2016/09/07 14:40:07	1.217
+++ parser3/src/include/pa_string.h	2016/09/08 20:41:48	1.219
@@ -8,7 +8,7 @@
 #ifndef PA_STRING_H
 #define PA_STRING_H
 
-#define IDENT_PA_STRING_H "$Id: pa_string.h,v 1.217 2016/09/07 14:40:07 moko Exp $"
+#define IDENT_PA_STRING_H "$Id: pa_string.h,v 1.219 2016/09/08 20:41:48 moko Exp $"
 
 // includes
 #include "pa_types.h"
@@ -73,6 +73,7 @@ unsigned long long int pa_atoul(const ch
 
 
 class String: public PA_Object {
+	friend class StringSplitHelper;
 public:
 
 	/** piece is tainted or not. the lang to use when detaint
@@ -486,7 +487,7 @@ public:
 			size_t* out_start=0, size_t* out_length=0, Charset* source_charset=0) const;
 	};
 
-protected:
+private:
 
 	Body body; ///< all characters of string
 	Languages langs; ///< string characters lang
@@ -653,8 +654,8 @@ public:
 		return body.rskipchars(chars, left, right);
 	}
 
-	void split(ArrayString& result, size_t& pos_after, const char* delim, Language lang=L_UNSPECIFIED, int limit=-1) const;
-	void split(ArrayString& result, size_t& pos_after, const String& delim, Language lang=L_UNSPECIFIED, int limit=-1) const;
+	void split(ArrayString& result, size_t pos_after, const char* delim, Language lang=L_UNSPECIFIED) const;
+	void split(ArrayString& result, size_t pos_after, const String& delim, Language lang=L_UNSPECIFIED) const;
 
 	typedef void (*Row_action)(Table& table, ArrayString* row, int prestart, int prefinish, int poststart, int postfinish, void *info);