/usr/share/doc/octave-optim/html/XREFvfzero.html is in octave-optim 1.4.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 | <meta http-equiv="refresh" content="0; url=vfzero.html#XREFvfzero">
|