I am uploading a NMU to DELAYED/10 to fix this. The debdiff is attached.
diff -Nru byacc-j-1.15/debian/changelog byacc-j-1.15/debian/changelog
--- byacc-j-1.15/debian/changelog 2023-08-22 10:02:47.000000000 +0200
+++ byacc-j-1.15/debian/changelog 2023-08-22 00:02:35.000000000 +0200
@@ -1,3 +1,11 @@
+byacc-j (1.15-1.2) unstable; urgency=medium
+
+ * Non-maintainer upload.
+ * Drop unmaintained Vcs fields.
+ * Convert to source format 3.0. (Closes: #1007042)
+
+ -- Bastian Germann <b...@debian.org> Mon, 21 Aug 2023 22:02:35 +0000
+
byacc-j (1.15-1.1) unstable; urgency=medium
* Non-maintainer upload.
diff -Nru byacc-j-1.15/debian/control byacc-j-1.15/debian/control
--- byacc-j-1.15/debian/control 2023-08-22 10:02:47.000000000 +0200
+++ byacc-j-1.15/debian/control 2023-08-22 00:02:35.000000000 +0200
@@ -3,9 +3,7 @@
Section: devel
Priority: extra
Standards-Version: 3.8.1
-Build-Depends: debhelper (>= 7), cdbs, quilt, cmake (>= 2.6)
-Vcs-Bzr: lp:~ludovicc/uj/byacc-j
-Vcs-Browser: http://bazaar.launchpad.net/~ludovicc/uj/byacc-j/files
+Build-Depends: debhelper (>= 7), cdbs, cmake
Homepage: http://byaccj.sourceforge.net/
Package: byacc-j
@@ -25,4 +23,3 @@
.
I have added a "-J" flag which will cause BYACC to generate Java source code,
instead. So there finally is a YACC for Java now!
-
diff -Nru byacc-j-1.15/debian/rules byacc-j-1.15/debian/rules
--- byacc-j-1.15/debian/rules 2023-08-22 10:02:47.000000000 +0200
+++ byacc-j-1.15/debian/rules 2023-08-22 00:02:35.000000000 +0200
@@ -7,7 +7,6 @@
include /usr/share/cdbs/1/rules/debhelper.mk
include /usr/share/cdbs/1/class/cmake.mk
-include /usr/share/cdbs/1/rules/patchsys-quilt.mk
PACKAGE := $(DEB_SOURCE_PACKAGE)
VERSION := $(DEB_UPSTREAM_VERSION)
diff -Nru byacc-j-1.15/debian/source/format byacc-j-1.15/debian/source/format
--- byacc-j-1.15/debian/source/format 1970-01-01 01:00:00.000000000 +0100
+++ byacc-j-1.15/debian/source/format 2023-08-22 00:02:35.000000000 +0200
@@ -0,0 +1 @@
+3.0 (quilt)
