I am uploading a NMU to DELAYED/10 to fix this.
The debdiff is attached.
diff -Nru appconfig-1.71/debian/changelog appconfig-1.71/debian/changelog
--- appconfig-1.71/debian/changelog 2023-09-28 21:51:49.000000000 +0000
+++ appconfig-1.71/debian/changelog 2023-09-28 21:47:18.000000000 +0000
@@ -1,3 +1,11 @@
+appconfig (1.71-2.3) unstable; urgency=medium
+
+ * Non-maintainer upload.
+ * Mark libappconfig-perl Multi-Arch: foreign. (Closes: #984507)
+ * Convert to source format 3.0. (Closes: #1007049)
+
+ -- Bastian Germann <b...@debian.org> Thu, 28 Sep 2023 21:47:18 +0000
+
appconfig (1.71-2.2) unstable; urgency=medium
* Non-maintainer upload.
diff -Nru appconfig-1.71/debian/control appconfig-1.71/debian/control
--- appconfig-1.71/debian/control 2023-09-28 21:51:49.000000000 +0000
+++ appconfig-1.71/debian/control 2023-09-28 21:47:18.000000000 +0000
@@ -8,6 +8,7 @@
Package: libappconfig-perl
Architecture: all
+Multi-Arch: foreign
Depends: ${perl:Depends}, ${misc:Depends}
Description: Perl module for configuration file and command line handling
AppConfig is a bundle of Perl5 modules for reading configuration
diff -Nru appconfig-1.71/debian/patches/debian.patch
appconfig-1.71/debian/patches/debian.patch
--- appconfig-1.71/debian/patches/debian.patch 1970-01-01 00:00:00.000000000
+0000
+++ appconfig-1.71/debian/patches/debian.patch 2023-09-28 21:47:18.000000000
+0000
@@ -0,0 +1,22 @@
+--- appconfig-1.71.orig/lib/AppConfig.pm
++++ appconfig-1.71/lib/AppConfig.pm
+@@ -548,7 +548,7 @@ variable.
+ =item ARGCOUNT
+
+ Specifies the number and type of arguments that the variable expects.
+-Constants in C<:expand> tag set define ARGCOUNT_NONE - simple on/off flag
++Constants in C<:argcount> tag set define ARGCOUNT_NONE - simple on/off flag
+ (default), ARGCOUNT_ONE - single value, ARGCOUNT_LIST - multiple values
+ accessed via list reference, ARGCOUNT_HASH - hash table, "key=value",
+ accessed via hash reference.
+--- appconfig-1.71.orig/lib/AppConfig/CGI.pm
++++ appconfig-1.71/lib/AppConfig/CGI.pm
+@@ -214,7 +214,7 @@ module via the cgi() method.
+
+ =head1 AUTHOR
+
+-Andy Wardley, C<E<lt>a...@wardley.org<gt>>
++Andy Wardley, C<E<lt>a...@wardley.orge<gt>>
+
+ =head1 COPYRIGHT
+
diff -Nru appconfig-1.71/debian/patches/series
appconfig-1.71/debian/patches/series
--- appconfig-1.71/debian/patches/series 1970-01-01 00:00:00.000000000
+0000
+++ appconfig-1.71/debian/patches/series 2023-09-28 21:47:18.000000000
+0000
@@ -0,0 +1 @@
+debian.patch
diff -Nru appconfig-1.71/debian/source/format
appconfig-1.71/debian/source/format
--- appconfig-1.71/debian/source/format 1970-01-01 00:00:00.000000000 +0000
+++ appconfig-1.71/debian/source/format 2023-09-28 21:47:18.000000000 +0000
@@ -0,0 +1 @@
+3.0 (quilt)
diff -Nru appconfig-1.71/lib/AppConfig/CGI.pm
appconfig-1.71/lib/AppConfig/CGI.pm
--- appconfig-1.71/lib/AppConfig/CGI.pm 2023-09-28 21:51:49.000000000 +0000
+++ appconfig-1.71/lib/AppConfig/CGI.pm 2015-03-01 22:21:49.000000000 +0000
@@ -214,7 +214,7 @@
=head1 AUTHOR
-Andy Wardley, C<E<lt>a...@wardley.orge<gt>>
+Andy Wardley, C<E<lt>a...@wardley.org<gt>>
=head1 COPYRIGHT
diff -Nru appconfig-1.71/lib/AppConfig.pm appconfig-1.71/lib/AppConfig.pm
--- appconfig-1.71/lib/AppConfig.pm 2023-09-28 21:51:49.000000000 +0000
+++ appconfig-1.71/lib/AppConfig.pm 2015-03-01 22:23:44.000000000 +0000
@@ -548,7 +548,7 @@
=item ARGCOUNT
Specifies the number and type of arguments that the variable expects.
-Constants in C<:argcount> tag set define ARGCOUNT_NONE - simple on/off flag
+Constants in C<:expand> tag set define ARGCOUNT_NONE - simple on/off flag
(default), ARGCOUNT_ONE - single value, ARGCOUNT_LIST - multiple values
accessed via list reference, ARGCOUNT_HASH - hash table, "key=value",
accessed via hash reference.
