Classic UNIX line editor
https://www.gnu.org/software/ed/ed.html Formula was removed
Last version was
ed requires the following formula to be installed:
lzip 1.20 LZMA-based compression program similar to gzip or bzip2

Recent formula history

FX Coudert Export formulae to homebrew/core. (#747)
ilovezfs ed 1.14.2
ilovezfs ed 1.14.1
Alex Wang ed: Change ENV.j1 to ENV.deparallelize (#709)
ilovezfs ed 1.14

Formula code at GitHub