allow doc archives to be built for versions in the rc stage 
diff --git a/Doc/Makefile b/Doc/Makefile index 61ccf84..afdf35f 100644 --- a/Doc/Makefile +++ b/Doc/Makefile 
@@ -176,9 +176,10 @@  autobuild-html: 	make html SPHINXOPTS='-A daily=1 -A versionswitcher=1'   -# for stable releases: only build if not in pre-release stage (alpha, beta, rc) +# for stable releases: only build if not in pre-release stage (alpha, beta) +# release candidate downloads are okay, since the stable tree can be in that stage  autobuild-stable: -	@case $(DISTVERSION) in *[abc]*) \ +	@case $(DISTVERSION) in *[ab]*) \ 	echo "Not building; $(DISTVERSION) is not a release version."; \ 	exit 1;; \ 	esac