Install gmanedit by entering the following commands in the terminal:
sudo apt update sudo apt install gmanedit
Description:
GTK+ man pages editor
Gtk+ Manpages Editor is an editor for man pages that runs on X with GTK+. . Gmanedit is an application which allows you to edit manual pages (man) on Linux/Unix systems. . It is like most common HTML editors but more easy. You need to know manpages format.
Homepage: http://gmanedit2.sourceforge.net
Version: 0.4.2-7
Section: universe/gnome