Create a selectivity estimation function for the text search @@ operator.

[postgresql] / README.CVS

diff --git a/README.CVS b/README.CVS
index dc078bb4d8a3bf225fbebec9d51d47b3f5c5102e..37daaf6bc30ab3a26763fb0fb48b0c29b64e7430 100644 (file)
--- a/README.CVS
+++ b/README.CVS
@@ -1,13 +1,14 @@
-Tarball versions of PostgreSQL will contain INSTALL and HISTORY files in
-this directory.
-
-For people using CVS checkouts, you can view the install instructions
-at:
+(This file does not appear in release tarballs.)
 
+In a release or snapshot tarball of PostgreSQL, documentation files named
+INSTALL and HISTORY will appear in this directory.  However, these files are
+not stored in CVS and so will not be present if you are using a CVS checkout.
+If you are using CVS, you can view the most recent install instructions at:
        http://developer.postgresql.org/docs/postgres/installation.html
-
-and the release notes can be viewed at:
-
+and the current release notes at:
        http://developer.postgresql.org/docs/postgres/release.html
 
-This file does not appear in release tarball.
+Users compiling from CVS will also need compatible versions of Bison and
+Flex, as discussed in the install documentation.  Bison and Flex are not
+needed when using a tarball, since the files they are needed to build are
+already present in the tarball.