This file is indexed.

/usr/share/jupyter/nbextensions/ is in sagemath-jupyter 8.1-7ubuntu1.

This file is owned by root:root, with mode 0o755.

File Mime Type Owner Mode Size
..
/usr/share/jupyter/nbextensions/mathjax root:root 0o777
/usr/share/jupyter/nbextensions/threejs root:root 0o777