/usr/share/doc-base/gmsh is in gmsh-doc 3.0.6+dfsg1-1.
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 | Document: gmsh
Title: Gmsh Reference Manual
Author: Christophe Geuzaine and Jean-François Remacle
Abstract: This is the reference manual for gmsh.
Section: Science/Mathematics
Format: pdf
Files: /usr/share/doc/gmsh-doc/gmsh.pdf.gz
Format: HTML
Index: /usr/share/doc/gmsh-doc/gmsh.html
Files: /usr/share/doc/gmsh-doc/gmsh.html
|