Bump the release number for the upcoming candidate.
diff --git a/Doc/Makefile b/Doc/Makefile
index 6ad75e5..d1d582c 100644
--- a/Doc/Makefile
+++ b/Doc/Makefile
@@ -64,7 +64,7 @@
 
 # This is the *documentation* release, and is used to construct the file
 # names of the downloadable tarballs.
-RELEASE=2.0b2
+RELEASE=2.0c1
 
 
 # These must be declared phony since there