/usr/share/stylebook/styles/ibm-style/dtd/blocks.ent is in libstylebook-java 1.0~b3~svn20061109-6.
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 | <?xml encoding='US-ASCII'?>
<!-- BLOCKS ENTITY -->
<!ENTITY % blocks "p|note|ul|ol|gloss|table|source|anchor">
<!-- import the external markup.ent dtd -->
<!ENTITY % markupEntity SYSTEM "markup.ent">
%markupEntity;
<!ENTITY % content "(#PCDATA|%markup;|%links;)*">
<!ELEMENT p %content;>
<!ELEMENT note %content;>
<!ELEMENT ul (li|ol|ul)+>
<!ELEMENT ol (li|ol|ul)+>
<!ELEMENT li %content;>
<!ELEMENT gloss (label|item)+>
<!ELEMENT label %content;>
<!ELEMENT item %content;>
<!ELEMENT source (#PCDATA)>
<!ELEMENT table (tr)+>
<!ATTLIST table title CDATA #IMPLIED>
<!ELEMENT tr (tn|th|td)+>
<!ELEMENT tn EMPTY>
<!ATTLIST tn colspan CDATA "1"
rowspan CDATA "1">
<!ELEMENT th %content;>
<!ATTLIST th colspan CDATA "1"
rowspan CDATA "1">
<!ELEMENT td %content;>
<!ATTLIST td colspan CDATA "1"
rowspan CDATA "1"
align (left|center|right) "left">
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