+COMMON_EXPORT QString strFromEscapedCharArray(QByteArray const & str);
+
+/**
+ * Converts binary arrays to escaped 7-bit character arrays
+ * @param src Binary array
+ * @return Escaped 7-bit character array
+ *
+ * This function converts a binary array to the escaped 7-bit character array. Bytes that cannot be output
+ * directly as printable 7-bit characters are output as numeric character references. The result can be directly
+ * inserted into XML or HTML documents and later converted back with the eVaf::Common::binFromEscapedCharArray()
+ * function.
+ */
+COMMON_EXPORT QByteArray binToEscapedCharArray(QByteArray const & src);
+
+/**
+ * Converts escaped 7-bit character arrays to binary arrays
+ * @param str Escaped 7-bit character array
+ * @return Binary array
+ *
+ * This function converts an escaped 7-bit character array to the binary array. Numeric character references and
+ * character entoty references are expanded to characters and binary bytes.
+ */
+COMMON_EXPORT QByteArray binFromEscapedCharArray(QByteArray const & str);