master d322adabf2: Add back useful information from gnus-coding.texi

[Stefan Kangas]

branch: master
commit d322adabf240a2b39f1b937b8e86009c32be9620
Author: Stefan Kangas <stefankangas@gmail.com>
Commit: Stefan Kangas <stefankangas@gmail.com>

    Add back useful information from gnus-coding.texi
    
    * lisp/international/rfc1843.el:
    * lisp/net/pop3.el: Improve Commentary by adding back text from
    deleted file gnus-coding.texi.
---
 lisp/international/rfc1843.el | 5 ++++-
 lisp/net/pop3.el              | 2 ++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/lisp/international/rfc1843.el b/lisp/international/rfc1843.el
index 5050b7c030..73b610c034 100644
--- a/lisp/international/rfc1843.el
+++ b/lisp/international/rfc1843.el
@@ -1,4 +1,4 @@
-;;; rfc1843.el --- HZ (rfc1843) decoding  -*- lexical-binding:t -*-
+;;; rfc1843.el --- HZ (RFC 1843) decoding  -*- lexical-binding:t -*-
 
 ;; Copyright (C) 1998-2022 Free Software Foundation, Inc.
 
@@ -22,6 +22,9 @@
 
 ;;; Commentary:
 
+;; HZ (RFC 1843) decoding.  HZ is a data format for exchanging files
+;; of arbitrarily mixed Chinese and ASCII characters.
+;;
 ;; Test:
 ;; (rfc1843-decode-string  "~{<:Ky2;S{#,NpJ)l6HK!#~}")
 
diff --git a/lisp/net/pop3.el b/lisp/net/pop3.el
index 9d59ddf978..1bd52c7a56 100644
--- a/lisp/net/pop3.el
+++ b/lisp/net/pop3.el
@@ -23,6 +23,8 @@
 
 ;;; Commentary:
 
+;; Post Office Protocol version 3 (RFC 1460) interface.
+;;
 ;; Most of the standard Post Office Protocol version 3 (RFC 1460) commands
 ;; are implemented.  The LIST command has not been implemented due to lack
 ;; of actual usefulness.