/usr/share/sgml/sp/unicode/demo.sgm is in sp 1.3.4-1.2.1-47.3.
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 | <!doctype doc [
<!element doc - o empty>
<!attlist doc a nmtokens #implied>
]>
<doc a="àƬ龥xヮy">
|