Correct the URL pointing to PL/R
authorJoe Conway <mail@joeconway.com>
Sat, 27 Apr 2019 13:27:58 +0000 (09:27 -0400)
committerJoe Conway <mail@joeconway.com>
Sat, 27 Apr 2019 13:27:58 +0000 (09:27 -0400)
commitd51cfb0eaf4808c6041f4e36d613282d59bf39d8
treeba64ad885a0644abab75d851ee53bfb5b00b85af
parenta97cfd9b829158ba4d9be866c65d0937b7d3519d
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.
doc/src/sgml/external-projects.sgml