Index: libcfa/src/fstream.hfa
===================================================================
--- libcfa/src/fstream.hfa	(revision a47fe52255f391775719c2fdfc5a98b181a1b7ee)
+++ libcfa/src/fstream.hfa	(revision 502a1071edb2fbc5ec9b6e71eb39b807d0c96fef)
@@ -10,6 +10,6 @@
 // Created On       : Wed May 27 17:56:53 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Jun 29 11:08:31 2023
-// Update Count     : 251
+// Last Modified On : Sat Aug  5 11:42:40 2023
+// Update Count     : 254
 //
 
@@ -34,5 +34,5 @@
 	char separator$[ofstream_sepSize];
 	char tupleSeparator$[ofstream_sepSize];
-	multiple_acquisition_lock lock$;
+	multiple_acquisition_lock lock$;					// used by trait is_lock for mutex statement
 }; // ofstream
 
@@ -101,5 +101,5 @@
 	void * file$;
 	bool nlOnOff$;
-	multiple_acquisition_lock lock$;
+	multiple_acquisition_lock lock$;					// used by trait is_lock for mutex statement
 }; // ifstream