I am uploading a NMU to DELAYED/10 in order to fix this.
Please find the debdiff attached.
diff -Nru nlkt-0.3.2.6/debian/changelog nlkt-0.3.2.6/debian/changelog
--- nlkt-0.3.2.6/debian/changelog 2023-10-02 18:04:57.000000000 +0200
+++ nlkt-0.3.2.6/debian/changelog 2023-10-02 18:00:22.000000000 +0200
@@ -1,3 +1,10 @@
+nlkt (0.3.2.6-2.1) unstable; urgency=medium
+
+ * Non-maintainer upload.
+ * Convert to source format 3.0. (Closes: #1007420)
+
+ -- Bastian Germann <b...@debian.org> Mon, 02 Oct 2023 18:00:22 +0200
+
nlkt (0.3.2.6-2) unstable; urgency=medium
* debian/control:
diff -Nru nlkt-0.3.2.6/debian/patches/debian.patch
nlkt-0.3.2.6/debian/patches/debian.patch
--- nlkt-0.3.2.6/debian/patches/debian.patch 1970-01-01 01:00:00.000000000
+0100
+++ nlkt-0.3.2.6/debian/patches/debian.patch 2023-10-02 18:00:22.000000000
+0200
@@ -0,0 +1,34 @@
+--- /dev/null
++++ nlkt-0.3.2.6/share/default_profiles/de-debian-hints
+@@ -0,0 +1 @@
++pro
+--- /dev/null
++++ nlkt-0.3.2.6/share/default_profiles/debian-hints
+@@ -0,0 +1 @@
++pro
+--- /dev/null
++++ nlkt-0.3.2.6/share/layouts/de-debian-hints
+@@ -0,0 +1,10 @@
++^1234567890ß'<
++°!"§$%&/()=?`>
++qwertzuiopü+
++QWERTZUIOPÜ*
++asdfghjklöä
++ASDFGHJKLÖÄ
++yxcvbnm,.-
++YXCVBNM;:_
++de/debian-hints
++
+--- /dev/null
++++ nlkt-0.3.2.6/share/layouts/debian-hints
+@@ -0,0 +1,10 @@
++`1234567890-=\
++~!@#$%^&*()_+|
++qwertyuiop[]
++QWERTYUIOP{}
++asdfghjkl;'
++ASDFGHJKL:"
++zxcvbnm,./
++ZXCVBNM<>?
++debian-hints
++
diff -Nru nlkt-0.3.2.6/debian/patches/series nlkt-0.3.2.6/debian/patches/series
--- nlkt-0.3.2.6/debian/patches/series 1970-01-01 01:00:00.000000000 +0100
+++ nlkt-0.3.2.6/debian/patches/series 2023-10-02 18:00:22.000000000 +0200
@@ -0,0 +1 @@
+debian.patch
diff -Nru nlkt-0.3.2.6/debian/source/format nlkt-0.3.2.6/debian/source/format
--- nlkt-0.3.2.6/debian/source/format 1970-01-01 01:00:00.000000000 +0100
+++ nlkt-0.3.2.6/debian/source/format 2023-10-02 18:00:18.000000000 +0200
@@ -0,0 +1 @@
+3.0 (quilt)
diff -Nru nlkt-0.3.2.6/share/default_profiles/debian-hints
nlkt-0.3.2.6/share/default_profiles/debian-hints
--- nlkt-0.3.2.6/share/default_profiles/debian-hints 2023-10-02
18:04:57.000000000 +0200
+++ nlkt-0.3.2.6/share/default_profiles/debian-hints 1970-01-01
01:00:00.000000000 +0100
@@ -1 +0,0 @@
-pro
diff -Nru nlkt-0.3.2.6/share/default_profiles/de-debian-hints
nlkt-0.3.2.6/share/default_profiles/de-debian-hints
--- nlkt-0.3.2.6/share/default_profiles/de-debian-hints 2023-10-02
18:04:57.000000000 +0200
+++ nlkt-0.3.2.6/share/default_profiles/de-debian-hints 1970-01-01
01:00:00.000000000 +0100
@@ -1 +0,0 @@
-pro
diff -Nru nlkt-0.3.2.6/share/layouts/debian-hints
nlkt-0.3.2.6/share/layouts/debian-hints
--- nlkt-0.3.2.6/share/layouts/debian-hints 2023-10-02 18:04:57.000000000
+0200
+++ nlkt-0.3.2.6/share/layouts/debian-hints 1970-01-01 01:00:00.000000000
+0100
@@ -1,10 +0,0 @@
-`1234567890-=\
-~!@#$%^&*()_+|
-qwertyuiop[]
-QWERTYUIOP{}
-asdfghjkl;'
-ASDFGHJKL:"
-zxcvbnm,./
-ZXCVBNM<>?
-debian-hints
-
diff -Nru nlkt-0.3.2.6/share/layouts/de-debian-hints
nlkt-0.3.2.6/share/layouts/de-debian-hints
--- nlkt-0.3.2.6/share/layouts/de-debian-hints 2023-10-02 18:04:57.000000000
+0200
+++ nlkt-0.3.2.6/share/layouts/de-debian-hints 1970-01-01 01:00:00.000000000
+0100
@@ -1,10 +0,0 @@
-^1234567890ß'<
-°!"§$%&/()=?`>
-qwertzuiopü+
-QWERTZUIOPÜ*
-asdfghjklöä
-ASDFGHJKLÖÄ
-yxcvbnm,.-
-YXCVBNM;:_
-de/debian-hints
-
