Correct the URL pointing to PL/R

Joe Conway <mail@joeconway.com>

Commit: d51cfb0eaf4808c6041f4e36d613282d59bf39d8
Author: Joe Conway <mail@joeconway.com>
Date: 2019-04-27T13:27:58Z
Releases: 11.3
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

Documentation touched