[InterNetNews/inn] 762192: Remove or mention that Lines header field is obsol...

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: 76219263a0a9b711724fb437a9f594d3e3c8fcd3
      https://github.com/InterNetNews/inn/commit/76219263a0a9b711724fb437a9f594d3e3c8fcd3
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2022-02-19 (Sat, 19 Feb 2022)

  Changed paths:
    M doc/pod/hook-perl.pod
    M innfeed/testListener.pl

  Log Message:
  -----------
  Remove or mention that Lines header field is obsolescent