Only add previous/following links for archive taxonomy (and every oth…

…er taxonomy who sets a flag).

nikola/plugin_categories.py

@@ -582,6 +582,14 @@ class Taxonomy(BasePlugin):
         Whether to include all classifications for all languages in every
         language, or only the classifications for one language in its language's
         pages.
+
+    insert_classification_navigation_links = False:
+        If set to True, inserts links to previous and following
+        classifications (based on the order induced by natsort and
+        modified by Taxonomy.sort_classifications) and, for hierarchical
+        taxonomies, links to the parent (if exists), previous and following
+        siblings, and previous and following classifications on the same
+        hierarchy level.
     """
 
     name = "dummy_taxonomy"
@@ -607,6 +615,7 @@ class Taxonomy(BasePlugin):
     minimum_post_count_per_classification_in_overview = 1
     omit_empty_classifications = False
     also_create_classifications_from_other_languages = True
+    insert_classification_navigation_links = False
 
     def is_enabled(self, lang=None):
         """Return True if this taxonomy is enabled, or False otherwise.

nikola/plugins/task/archive.py

@@ -52,6 +52,7 @@ class Archive(Taxonomy):
     minimum_post_count_per_classification_in_overview = 1
     omit_empty_classifications = False
     also_create_classifications_from_other_languages = False
+    insert_classification_navigation_links = True
 
     def set_site(self, site):
         """Set Nikola site."""

nikola/plugins/task/taxonomies.py

@@ -445,7 +445,8 @@ def _generate_classification_page(self, taxonomy, classification, post_list, lan
         context = copy(context)
         context["permalink"] = self.site.link(taxonomy.classification_name, classification, lang)
         # Links to previous/next classifications
-        self._add_cross_classification_navigation_links(taxonomy, classification, context, kw, lang, generate_list, generate_rss)
+        if taxonomy.insert_classification_navigation_links:
+            self._add_cross_classification_navigation_links(taxonomy, classification, context, kw, lang, generate_list, generate_rss)
         # Decide what to do
         if taxonomy.has_hierarchy and taxonomy.show_list_as_subcategories_list:
             # Determine whether there are subcategories