The RFC.Space DTD 

                 <!--
                   DTD for RFC blocks, draft of 99-01-31

                     (c) 1998-99 Invisible Worlds, Inc.

                     <!ENTITY % RFCSPACE PUBLIC "-//Blocks//DTD RFCSPACE//EN" "rfcspace.dtd">
                     %RFCSPACE;
                   -->


                 <!--
                   Contents

                     External Entity definitions

                     Blocks about RFCs
                   -->


                 <!--
                   External Entity definitions

                     Caller should already have included BXXS.
                   -->


                 <!--
                   DTD data types:

                         entity        syntax/reference     example
                         ======        ================     =======
                     the name of a block
                         NAME          c.f., [BLOCK-OBJS]   ip.207.67.199.3

                   pointers to resources
                         URI          c.f., [RFC-2396]      http://invisible.net/

                     integers
                         UINT16       0..32767              42
                         UINT32       0..4294967295         17

                     unstructured text
                         ATEXT                              "hello"
                         CTEXT                              "Blocks server good to go"

                     multiline character data
                         TEXT
                 -->

                 <!ENTITY % NAME       "NMTOKEN">
                 <!ENTITY % URI        "CDATA">
                 <!ENTITY % UINT32     "CDATA">
                 <!ENTITY % UINT16     "CDATA">
                 <!ENTITY % ATEXT      "CDATA">
                 <!ENTITY % CTEXT      "#PCDATA">
                 <!ENTITY % TEXT       "#PCDATA">




                 <!ENTITY % RFCSPACE.BLOCK
                          "rfc">

                 <!ENTITY % RFCSPACE.PROPERTY
                          "rfc.props|doc.props">


                 <!--
                   Blocks about RFCs
                   -->


                 <!ELEMENT rfc         (rfc.props,doc.props,remote.props+)>
                 <!ATTLIST rfc
                           %block.attrs;>

                 <!ELEMENT remote.props           
                                       (title?,description?)>
                 <!ATTLIST remote.props 
                           uri         %URI;              #REQUIRED
                           language    %ATEXT;            "html">



                 <!ELEMENT rfc.props   EMPTY>
                 <!ATTLIST rfc.props
                           number      %UINT32;           #REQUIRED
                           category    (std|bcp|info|exp|historic)
                                                          "info"
                           seriesNo    %URI;              #IMPLIED
                           relativeSize
                                       %UINT32;           #IMPLIED>

                 <!ELEMENT doc.props   (doc.front,doc.extras?,doc.links?)>

                 <!ELEMENT doc.front   (doc.title,doc.author+,doc.date,
                                        doc.area*,doc.workgroup*,doc.keyword*)>

                 <!ELEMENT doc.title   (%CTEXT;)>
                 <!ATTLIST doc.title
                           abbrev      %ATEXT;            #IMPLIED> 

                 <!ELEMENT doc.author  (organization,address?)>
                 <!ATTLIST doc.author
                           initials    %ATEXT;            #IMPLIED
                           surname     %ATEXT;            #IMPLIED
                           fullname    %ATEXT;            #IMPLIED>

                 <!ELEMENT doc.date    EMPTY>
                 <!ATTLIST doc.date
                           month       %MONTH;            #REQUIRED
                           year        %YEAR;             #REQUIRED>

                 <!ELEMENT doc.area    (%CTEXT;)>
                 <!ELEMENT doc.workgroup
                                       (%CTEXT;)>
                 <!ELEMENT doc.keyword (%CTEXT;)>

                 <!ELEMENT doc.extras  EMPTY>
                 <!ATTLIST doc.extras
                           abstract   (true|false)       "false"
                           note       (true|false)       "false">

                 <!ELEMENT doc.links   (doc.obsoletes*,doc.updates*,doc.references*)>

                 <!ELEMENT doc.obsoletes
                                       EMPTY>
                 <!ATTLIST doc.obsoletes
                           target      %URI;              #REQUIRED>
                 <!ELEMENT doc.updates EMPTY>
                 <!ATTLIST doc.updates
                           target      %URI;              #REQUIRED>
                 <!ELEMENT doc.references
                                       EMPTY>
                 <!ATTLIST doc.references
                           target      %URI;              #REQUIRED>