From db704c39a4a2001c80eed2e80d60a7f1b7e49c83 Mon Sep 17 00:00:00 2001
From: nicholas evans <nicholas.evans@gmail.com>
Date: Sun, 12 Nov 2023 08:09:30 -0500
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20Add=20STATUS=20APPENDLIMIT=20(RFC78?=
 =?UTF-8?q?89,=20APPENDLIMIT)=20[=F0=9F=9A=A7=20WIP:=20tests,=20docs]?=
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Previously, any number-type status values worked—which is most of them.
This adds support for `APPENDLIMIT`, which can also be `NIL`.
---
 lib/net/imap/response_parser.rb | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/lib/net/imap/response_parser.rb b/lib/net/imap/response_parser.rb
index f120f9ba..e4507167 100644
--- a/lib/net/imap/response_parser.rb
+++ b/lib/net/imap/response_parser.rb
@@ -543,17 +543,10 @@ def resp_cond_state__name
       end
 
       #   nstring         = string / nil
-      def nstring
-        NIL? ? nil : string
-      end
-
-      def nstring8
-        NIL? ? nil : string8
-      end
-
-      def nquoted
-        NIL? ? nil : quoted
-      end
+      def nstring;          NIL? ? nil : string   end
+      def nstring8;         NIL? ? nil : string8  end
+      def nquoted;          NIL? ? nil : quoted   end
+      def nil_or_number;    NIL? ? nil : number   end
 
       # use where nstring represents "LABEL" values
       def case_insensitive__nstring
@@ -1590,6 +1583,7 @@ def status_att_val
           when "SIZE"          then number64            # RFC8483, RFC9051
           when "HIGHESTMODSEQ" then mod_sequence_valzer # RFC7162
           when "MAILBOXID"     then parens__objectid    # RFC8474
+          when "APPENDLIMIT"   then nil_or_number       # RFC7889
           else
             number? || ExtensionData.new(tagged_ext_val)
           end