/usr/share/sgml/html/dtd/ie-3.0s.dtd is in sgml-data 2.0.10.
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 | <!-- html-s.dtd
Document Type Definition for strict HTML that works with Internet Explorer.
-->
<!ENTITY % HTML.Version
"-//Microsoft//DTD Internet Explorer 3.0 HTML Strict//EN"
-- Typical usage:
<!DOCTYPE HTML PUBLIC
"-//Microsoft//DTD Internet Explorer 3.0 HTML Strict//EN">
<html>
...
</html>
--
>
<!-- Feature Test Entities -->
<!ENTITY % HTML.Recommended "INCLUDE">
<!ENTITY % html PUBLIC "-//Microsoft//DTD Internet Explorer 3.0 HTML//EN">
%html;
|