/usr/share/refdb/dtd/risx.dtd is in refdb-clients 1.0.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 | <!-- The RIS XML DTD - a XML application based on the RIS reference format -->
<!-- (C) 2003-03-22 Markus Hoenicka <markus@mhoenicka.de> -->
<!-- Invoke with the following declaration -->
<!-- <!DOCTYPE ris PUBLIC "-//Markus Hoenicka//DTD Ris V1.3.0//EN" "http://refdb.sourceforge.net/dtd/risx-1.3.0/risx.dtd"> -->
<!-- the top-level element -->
<!ELEMENT ris (entry)+>
<!-- each RIS dataset is encoded by the following structure: -->
<!-- part, publication, and set denote the analytical, monographic, and -->
<!-- serial level of bibliographic information. -->
<!-- libinfo contains all information relevant for local housekeeping -->
<!-- contents describes the contents of the reference described by the -->
<!-- dataset -->
<!-- the type attribute is equivalent to the TY RIS field -->
<!-- the identifier attributes: ID is a numeric one, while citekey is an -->
<!-- alphanumeric key. Both are supposed to be unique in a database -->
<!-- note to self: why was there a "+"? -->
<!--<!ELEMENT entry (part?,publication,set?,libinfo*,contents?)+>-->
<!ELEMENT entry (part?,publication,set?,libinfo*,contents?)>
<!ATTLIST entry type (ABST|ADVS|ART|BILL|BOOK|CASE|CHAP|COMP|CONF|CTLG|DATA|ELEC|GEN|HEAR|ICOMM|INPR|JFULL|JOUR|MAP|MGZN|MPCT|MUSIC|NEWS|PAMP|PAT|PCOMM|RPRT|SER|SLIDE|SOUND|STAT|THES|UNBILL|UNPB|VIDEO) "GEN"
id NMTOKEN #IMPLIED
citekey NMTOKEN #IMPLIED>
<!-- the three levels of bibliographic information -->
<!ELEMENT part (title, author*)>
<!ELEMENT publication (title*, author*, pubinfo?)>
<!ELEMENT set (title*, author*)>
<!-- the apparatus used in the bibliographic information -->
<!ELEMENT title (#PCDATA)>
<!ATTLIST title type (full|abbrev|user1|user2) "full"
freq NMTOKEN #IMPLIED
relfreq NMTOKEN #IMPLIED>
<!-- The url element is gone in favour of 'link type="url"'. Both elements use the same semantics so it would be weird to keep them separately -->
<!ELEMENT pubinfo (pubdate*,volume?,issue?,conftitle?,startpage?,endpage?,city?,publisher?,serial?,address?,userdef*,misc*,link*)>
<!ELEMENT pubdate (date,otherinfo?)>
<!ATTLIST pubdate type (primary|secondary) "primary">
<!ELEMENT date (year?,month?,day?)>
<!ELEMENT year (#PCDATA)>
<!ELEMENT month (#PCDATA)>
<!ELEMENT day (#PCDATA)>
<!ELEMENT otherinfo (#PCDATA)>
<!ELEMENT volume (#PCDATA)>
<!ELEMENT issue (#PCDATA)>
<!ELEMENT conftitle (#PCDATA)>
<!ELEMENT startpage (#PCDATA)>
<!ELEMENT endpage (#PCDATA)>
<!ELEMENT city (#PCDATA)>
<!ELEMENT publisher (#PCDATA)>
<!ELEMENT serial (#PCDATA)>
<!ELEMENT address (#PCDATA)>
<!ELEMENT userdef (#PCDATA)>
<!ATTLIST userdef type (1|2|3|4|5) "1">
<!ELEMENT misc (#PCDATA)>
<!ATTLIST misc type (1|2|3) "1">
<!ELEMENT link (#PCDATA)>
<!ATTLIST link type (url|pdf|fulltext|related|image|doi) "url">
<!-- the libinfo element contains the local housekeeping information -->
<!-- specific to a single user -->
<!ELEMENT libinfo (notes?,reprint,availability?,link*)>
<!ATTLIST libinfo user NMTOKEN #REQUIRED>
<!ELEMENT notes (#PCDATA)>
<!ELEMENT reprint (date?)>
<!ATTLIST reprint status (NOTINFILE|ONREQUEST|INFILE) "NOTINFILE">
<!ELEMENT availability (#PCDATA)>
<!ATTLIST availability type (full|useroot) "full">
<!-- the contents element contains information about the contents of -->
<!-- the reference -->
<!ELEMENT contents (abstract?,keyword*)>
<!ELEMENT abstract (#PCDATA)>
<!ELEMENT keyword (#PCDATA)>
<!ATTLIST keyword freq NMTOKEN #IMPLIED
relfreq NMTOKEN #IMPLIED>
<!-- the author element -->
<!ELEMENT author (name|(lastname?,firstname?,middlename*,suffix?))>
<!ATTLIST author role NMTOKEN #IMPLIED
freq NMTOKEN #IMPLIED
relfreq NMTOKEN #IMPLIED>
<!ELEMENT name (#PCDATA)>
<!ELEMENT lastname (#PCDATA)>
<!ELEMENT firstname (#PCDATA)>
<!ELEMENT middlename (#PCDATA)>
<!ELEMENT suffix (#PCDATA)>
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