Add comment in faq

maxnoe · maxnoe · commit 05e7f77deb44 · 2018-02-28T09:17:02.000+01:00
diff --git a/doc/faq/howto_faq.rst b/doc/faq/howto_faq.rst
@@ -136,6 +136,10 @@ Finally, the multipage pdf object has to be closed::
 
     pp.close()
 
+The same can be done using the pgf backend::
+    
+    from matplotlib.backends.backend_pgf import PdfPages
+
 
 .. _howto-subplots-adjust:
 
