/usr/share/source-highlight/changelog.lang is in libsource-highlight-common 3.1.8-1.2.
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 | state date start '[[:digit:]]{2,4}-?[[:digit:]]{2}-?[[:digit:]]{2}' begin
include "url.lang"
name = '([[:word:]]|[[:punct:]])+'
end
(normal,symbol,normal,file)= `(^[[:blank:]]+)(\*)([[:blank:]]+)((?:[^:]+\:)?)`
(normal,file)= `(^[[:blank:]]+)((?:[^:]+\:)?)`
|