Correct the URL pointing to PL/R

Joe Conway <mail@joeconway.com>

Commit: 17947af968b82ffba7aa2bde047ddd862f7fc2f9
Author: Joe Conway <mail@joeconway.com>
Date: 2019-04-27T13:28:09Z
Releases: 9.4.22
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.

Files

PathChange+/−
doc/src/sgml/external-projects.sgml modified +1 −1