diff --git a/ptbposter/Makefile b/ptbposter/Makefile
index c807ccb236fecd65c271418c040441e2f3e825f9..8c80039093dbe95881e70be268b569b24f2839f3 100644
--- a/ptbposter/Makefile
+++ b/ptbposter/Makefile
@@ -1,5 +1,5 @@
 
-# Rolf Niepraschk, 2015/09/27, Rolf.Niepraschk@ptb.de
+# Rolf Niepraschk, 2017/10/18, Rolf.Niepraschk@ptb.de
 
 .SUFFIXES : .tex .ltx .dvi .ps .pdf .eps
 
@@ -17,9 +17,9 @@ $(DOC1).pdf $(DOC2).pdf : $(ADDINPUTS)
 %.pdf : %.tex
 	pdflatex $<
 
-%.mps : %.eps
-	purifyeps $< - | sed -e "s/0 0 0 setrgbcolor/%/g" > $@
-
+#%.mps : %.eps
+#	purifyeps $< - | sed -e "s/0 0 0 setrgbcolor/%/g" > $@
+# "purifyeps" macht aktuell Probleme # 2017-10-18
 
 clean :
 	$(RM) $(addprefix $(DOC1), .log .aux .out)
diff --git a/ptbposter/ptbposter-doc-1.pdf b/ptbposter/ptbposter-doc-1.pdf
index afe4e6c8b37486d757ca2b6dbeb2f326e57ecc72..7a0e7bb4668636561f94aaecdbf7cd6f9bdc32a9 100644
Binary files a/ptbposter/ptbposter-doc-1.pdf and b/ptbposter/ptbposter-doc-1.pdf differ
diff --git a/ptbposter/ptbposter-doc-2.pdf b/ptbposter/ptbposter-doc-2.pdf
index 25ba7b50af4649f9f245653b5c2bdf07d4f5a425..7926380aa793e43f167e9b440b9128fcfbfb9d85 100644
Binary files a/ptbposter/ptbposter-doc-2.pdf and b/ptbposter/ptbposter-doc-2.pdf differ