diff -Nru refcard-10.5/debian/changelog refcard-10.6/debian/changelog
--- refcard-10.5/debian/changelog	2019-10-25 22:19:16.000000000 +0000
+++ refcard-10.6/debian/changelog	2020-01-19 16:27:39.000000000 +0000
@@ -1,3 +1,10 @@
+refcard (10.6) unstable; urgency=medium
+
+  * Replace no-longer-existing pdfjoin and pdfnup by their corresponding
+    pdfjam commands. (Closes: #948801)
+
+ -- Holger Wansing <hwansing@mailbox.org>  Sun, 19 Jan 2020 17:27:39 +0100
+
 refcard (10.5) unstable; urgency=medium
 
   * Get rid of Build-Depend: dia (add a static refcard.png to the repo,
diff -Nru refcard-10.5/Makefile refcard-10.6/Makefile
--- refcard-10.5/Makefile	2019-10-25 22:19:16.000000000 +0000
+++ refcard-10.6/Makefile	2020-01-19 16:27:39.000000000 +0000
@@ -10,8 +10,7 @@
 XP=xsltproc --nonet --novalid
 DIA=dia
 
-PDFJOIN=pdfjoin --vanilla
-PDFNUP=pdfnup --vanilla
+PDFJAM=pdfjam --vanilla
 PDFTK=pdftk.pdftk-java
 
 # Not yet implemted in the new version (neither FO nor dblatex)
@@ -56,13 +55,13 @@
 		$(DBLATEX) --output=$@ --param=format=$$FMT $$SRC
 
 refcard-%-a4.t.pdf: refcard-%-a4.s.pdf empty.pdf
-	$(PDFJOIN) --fitpaper true --outfile $<.x.pdf $< empty.pdf empty.pdf
-	$(PDFNUP) --nup 3x1 --outfile $@ --paper a4paper $<.x.pdf 5-6,1-4
+	$(PDFJAM) --fitpaper true --outfile $<.x.pdf $< empty.pdf empty.pdf
+	$(PDFJAM) --nup 3x1 --landscape --outfile $@ --paper a4paper $<.x.pdf 5-6,1-4
 	rm $<.x.pdf
 
 refcard-%-lt.t.pdf: refcard-%-lt.s.pdf empty.pdf
-	$(PDFJOIN) --fitpaper true --outfile $<.x.pdf $< empty.pdf empty.pdf
-	$(PDFNUP) --nup 3x1 --outfile $@ --paper letterpaper $<.x.pdf 5-6,1-4
+	$(PDFJAM) --fitpaper true --outfile $<.x.pdf $< empty.pdf empty.pdf
+	$(PDFJAM) --nup 3x1 --landscape --outfile $@ --paper letterpaper $<.x.pdf 5-6,1-4
 	rm $<.x.pdf
 
 refcard-%.pdf: refcard-%.t.pdf metadata.xsl
diff -Nru refcard-10.5/refcard.dbk refcard-10.6/refcard.dbk
--- refcard-10.5/refcard.dbk	2019-10-25 22:19:16.000000000 +0000
+++ refcard-10.6/refcard.dbk	2020-01-19 14:25:16.000000000 +0000
@@ -65,12 +65,13 @@
     <revhistory>
       <revision>
 	<revnumber>10 -- Debian 10 'Buster' -- </revnumber>
-	<date>2019-03-07</date>
+	<date>2020-01-19</date>
 	<revremark>Update refcard for Buster; source repository moved
 	from svn (Alioth) to git (Salsa); remove dependency to xmlroff
 	(unfortunately ar, he and ml cannot be built now anymore);
 	remove dependency to dia (added a static refcard.png file to the
-	repository instead); updated translations.</revremark>
+	repository instead); remove dependency to pdfjoin;
+	updated translations.</revremark>
       </revision>
       <revision>
 	<revnumber>9.0 - Debian 9 'Stretch' -- </revnumber>