* lisp/ox-html.el (org-html-link): Convert .org.gpg file links to
.html, in addition to previously performed .org -> .html convertion.
(org-html-link-org-files-as-html): Update the docstring.
* doc/org-manual.org (Publishing links):
* etc/ORG-NEWS (Publishing now supports links to encrypted Org files):
Document the new feature.