--- parser3/src/classes/table.C	2016/09/21 00:44:50	1.329
+++ parser3/src/classes/table.C	2016/09/21 15:14:39	1.331
@@ -22,7 +22,7 @@
 #define USE_STRINGSTREAM
 #endif
 
-volatile const char * IDENT_TABLE_C="$Id: table.C,v 1.329 2016/09/21 00:44:50 moko Exp $";
+volatile const char * IDENT_TABLE_C="$Id: table.C,v 1.331 2016/09/21 15:14:39 moko Exp $";
 
 // class
 
@@ -160,10 +160,12 @@ public:
 
 	String *extract(char *pos){
 		String *result=new String;
-		// first: their langs
-		result->langs.append(result->body, langs, pos-base, strlen(pos));
-		// next: letters themselves
-		result->body=Body(pos);
+		if(size_t len=strlen(pos)){
+			// first: their langs
+			result->langs.append(result->body, langs, pos-base, len);
+			// next: letters themselves
+			result->body=Body(pos);
+		}
 		return result;
 	}
 };
@@ -201,7 +203,7 @@ static lsplit_sresult lsplit(char** stri
 						*(pos++)=0;
 						result.append(helper.extract(*string_ref));
 						if(*pos==encloser && helper.check_lang(pos)){ // double-encloser stands for encloser
-							*string_ref=++pos;
+							*string_ref=pos++;
 						} else {
 							*string_ref=pos;
 							break;
@@ -1146,8 +1148,8 @@ static void _flip(Request& r, MethodPara
 static void _foreach(Request& r, MethodParams& params) {
 	InCycle temp(r);
 
-	const String& rownum_name=params.as_string(0, "rownum-var name must be string");
-	const String& value_name=params.as_string(1, "value-var name must be string");
+	const String* rownum_var_name=&params.as_string(0, "rownum-var name must be string");
+	const String* value_var_name=&params.as_string(1, "value-var name must be string");
 
 	Value& body_code=params.as_junction(2, "body must be code");
 	
@@ -1156,8 +1158,8 @@ static void _foreach(Request& r, MethodP
 	Table& table=GET_SELF(r, VTable).table();
 	size_t saved_current=table.current();
 
-	const String* rownum_var_name=rownum_name.is_empty()? 0 : &rownum_name;
-	const String* value_var_name=value_name.is_empty()? 0 : &value_name;
+	rownum_var_name=rownum_var_name->is_empty()? 0 : rownum_var_name;
+	value_var_name=value_var_name->is_empty()? 0 : value_var_name;
 
 	Value* var_context=r.get_method_frame()->caller();