Added another useless string encoding, VisibleString, because it is one of the...

Added another useless string encoding, VisibleString, because it is one of the few ones that has an example in the spec.

Rev: lib/modules/Standards.pmod/ASN1.pmod/Types.pmod:1.27

lib/modules/Standards.pmod/ASN1.pmod/Types.pmod

 //
-// $Id: Types.pmod,v 1.26 2003/01/27 02:46:27 nilsson Exp $
+// $Id: Types.pmod,v 1.27 2003/01/28 22:58:56 nilsson Exp $
 //
 
 //! Encodes various asn.1 objects according to the Distinguished
@@ -253,6 +253,8 @@ class String
 
 // FIXME: What is the DER-encoding of TRUE???
 // According to Jan Petrous, the LDAP spec says that 0xff is right.
+// No, every nonzero value is true according to the ASN1 spec,
+// but they use 0xff as example of a true value. /Nilsson
 
 //! boolean object
 class Boolean
@@ -1039,6 +1041,13 @@ class IA5String
   constant type_name = "IA5STRING";
 }
 
+//!
+class VisibleString {
+  inherit String;
+  constant tag = 26;
+  constant type_name = "VisibleString";
+}
+
 //!
 class UTC
 {