elpa-beacon software package provides highlight the cursor whenever the window scrolls, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install elpa-beacon
elpa-beacon is installed in your system.
Make ensure the elpa-beacon package were installed using the commands given below,
$ sudo dpkg-query -l | grep elpa-beacon *
You will get with elpa-beacon package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Lisp |
| Package | elpa-beacon |
| Version | 1.3.2-1 |
| Description | highlight the cursor whenever the window scrolls |
| Sub Section | Lisp |