/usr/share/doc-base/argyll is in argyll-doc 2.0.0+repack-1build1.
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 | Document: argyll
Title: Argyll Documentation
Section: Graphics
Format: HTML
Index: /usr/share/doc/argyll-doc/ArgyllDoc.html
Files: /usr/share/doc/argyll-doc/*.html
|