> * Makefile: always create .ps files; add qua to 'all' target;

>   added 'clobber' target

Doc/Makefile

-all:	tut ref lib # qua
+DESTDIR=/usr/local
+LIBDESTDIR=$DESTDIR/lib
+LIBDEST=$LIBDESTDIR/python
+DOCDESTDIR=$LIBDEST/doc
+
+all:	tut ref lib qua
 
 tut:
 	latex tut
 	latex tut
+	dvips tut >tut.ps
 
 ref:
 	touch ref.ind
 	latex ref
 	makeindex ref
 	latex ref
+	dvips ref >ref.ps
 
 lib:
 	touch lib.ind
 	latex lib
 	makeindex lib
 	latex lib
+	dvips lib >lib.ps
 
 qua:
 	latex qua
 	bibtex qua
 	latex qua
 	latex qua
+	dvips lib >lib.ps
 
 clean:
-	rm -f @* *~ *.aux *.dvi *.idx *.ilg *.ind *.log *.ps *.toc *.blg
-	# Keep: .tex, .bib, .sty!
+	rm -f @* *~ *.aux *.idx *.ilg *.ind *.log *.toc *.blg *.bbl
+	# Sources: .tex, .bib, .sty
+	# Useful results: .dvi, .ps
+
+clobber: clean
+	 rm -f *.dvi *.ps