Correct the URL pointing to PL/R

As pointed out by documentation comment, the URL for PL/R
needs to be updated to the correct current repository. Back-patch
to all supported branches.

diff --git a/doc/src/sgml/external-projects.sgml b/doc/src/sgml/external-projects.sgml
index 81742d227bbfeb512bb6df627010d9ed87e5f6e3..f94e450ef9e464bfcc6edb033b56c52bc6b2ad66 100644 (file)
--- a/doc/src/sgml/external-projects.sgml
+++ b/doc/src/sgml/external-projects.sgml
@@ -205,7 +205,7 @@
      
       PL/R
       R
-      ://www.joeconway.com/plr.html">
+      s://github.com/postgres-plr/plr">