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 a72b8f56080bd1616642e84886afcd195712f94a..65a5ff7b30b275854c52e17cf0da4aba811d112a 100644 (file)
--- a/doc/src/sgml/external-projects.sgml
+++ b/doc/src/sgml/external-projects.sgml
@@ -211,7 +211,7 @@
      <row>
       <entry>PL/R</entry>
       <entry>R</entry>
-      <entry><ulink url="http://www.joeconway.com/plr.html"></ulink></entry>
+      <entry><ulink url="https://github.com/postgres-plr/plr"></ulink></entry>
      </row>
 
      <row>