diff --git a/winixd/core/misc.h b/winixd/core/misc.h
index d0f7246..ad70e8f 100644
--- a/winixd/core/misc.h
+++ b/winixd/core/misc.h
@@ -5,7 +5,7 @@
  */
 
 /* 
- * Copyright (c) 2008-2023, Tomasz Sowa
+ * Copyright (c) 2008-2024, Tomasz Sowa
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
@@ -1074,6 +1074,26 @@ void prepare_cookie_string(
 		bool secure = false);
 
 
+template<typename char_type, size_t stack_size, size_t heap_block_size>
+void q_encode(
+		const pt::TextStreamBase<char_type, stack_size, heap_block_size> & in,
+		pt::TextStreamBase<char_type, stack_size, heap_block_size> & out,
+		bool clear = true)
+{
+	if( clear )
+		out.clear();
+
+	out << "=?UTF-8?Q?";
+
+	// do not use QEncode(in.c_str()) as 'in' can have a null-terminating byte
+	typename pt::TextStreamBase<char_type, stack_size, heap_block_size>::const_iterator i = in.begin();
+
+	for( ; i != in.end() ; ++i)
+		QEncodeAddChar(*i, out);
+
+	out << "?=";
+}
+
 
 
 } // namespace Winix