sensible-editor, sensible-pager, sensible-browser - sensible editing, paging,
and web browsing
sensible decisions on which editor, pager, and web browser to call,
respectively. Programs in Debian can use these scripts as their default
editor, pager, or web browser or emulate their behavior.
Documentation of the EDITOR, VISUAL and PAGER variables in environ(7)
for changing a user's default editor