From d0c7b3114734765165be773945a14eec58faf352 Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Fri, 13 Mar 2020 18:21:43 +0530
Subject: Publish interlanguage links only if there are translations.

* ennu-html.el (ennu-html-inner-template): Publish interlanguage links
only if there are translations.
---
 ennu-html.el | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/ennu-html.el b/ennu-html.el
index f78f357..93dc221 100644
--- a/ennu-html.el
+++ b/ennu-html.el
@@ -231,18 +231,19 @@
                                :datetime ,(org-export-get-date info "%Y-%m-%d 12:00:00")
                                ,(org-export-get-date info "%B %d, %Y"))))))))
    ;; Interlanguage language links
-   (format "<p>In other languages: %s</p>"
-           (mapconcat
-            (lambda (translation)
-              (let ((lang (ennu-post-language translation))
-                    (slug (ennu-post-slug translation)))
-                (replace-regexp-in-string
-                 "<a " (format "<a hreflang=\"%s\" " lang)
-                 (ennu-export-post slug
-                                   (map-elt ennu--iso-639-1-alist lang nil 'string=)
-                                   (plist-get info :back-end)))))
-            (plist-get info :translations)
-            ", "))
+   (when-let (translations (plist-get info :translations))
+     (format "<p>In other languages: %s</p>"
+             (mapconcat
+              (lambda (translation)
+                (let ((lang (ennu-post-language translation))
+                      (slug (ennu-post-slug translation)))
+                  (replace-regexp-in-string
+                   "<a " (format "<a hreflang=\"%s\" " lang)
+                   (ennu-export-post slug
+                                     (map-elt ennu--iso-639-1-alist lang nil 'string=)
+                                     (plist-get info :back-end)))))
+              translations
+              ", ")))
    ;; Tags
    (format "<p>Tags: %s</p>"
            (mapconcat
-- 
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