Update version number to match Include/patchlevel.h.
Make sure we clean up all the temp files craeted for the typeset formats.
diff --git a/Doc/Makefile b/Doc/Makefile
index 88bb021..f3f74a2 100644
--- a/Doc/Makefile
+++ b/Doc/Makefile
@@ -66,7 +66,7 @@
# This is the *documentation* release, and is used to construct the file
# names of the downloadable tarballs.
-RELEASE=2.2+
+RELEASE=2.3a0
PYTHON= python
DVIPS= dvips -N0 -t $(PAPER)
@@ -611,6 +611,8 @@
rm -f pdf-$(RELEASE).zip postscript-$(RELEASE).zip
rm -f $(DVIFILES) $(PSFILES) $(PDFFILES)
cd $(INFODIR) && $(MAKE) clobber
+ rm -f paper-$(PAPER)/*.tex paper-$(PAPER)/*.ind paper-$(PAPER)/*.idx
+ rm -f paper-$(PAPER)/*.l2h paper-$(PAPER)/*.how paper-$(PAPER)/README
rm -rf html/index.html html/modindex.html html/acks.html
rm -rf html/api/ html/doc/ html/ext/ html/lib/ html/mac/
rm -rf html/ref/ html/tut/ html/inst/ html/dist/