/usr/share/man/man3/del_PathCache.3.gz is in libtecla1-dev 1.6.1-5ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man3/pca_lookup_file.3.gz
/usr/share/man/man3/pca_lookup_file.3.gz