Semantic markup for left and right columns

webapp_column_left.py

@@ -239,7 +239,7 @@ def get_left_column_content(base_dir: str, nickname: str, domain_full: str,
 
     new_tab_str = ' target="_blank" rel="nofollow noopener noreferrer"'
     if links_list:
-        html_str += '<nav>\n'
+        html_str += '<nav itemscope itemtype="http://schema.org/Collection">\n'
         for line_str in links_list:
             if ' ' not in line_str:
                 if '#' not in line_str:

webapp_column_right.py

@@ -341,7 +341,9 @@ def _html_newswire(base_dir: str, newswire: {}, nickname: str, moderator: bool,
                 html_str += date_shown + '</span></p>\n'
 
     if html_str:
-        html_str = '<nav>\n' + html_str + '</nav>\n'
+        html_str = \
+            '<nav itemscope itemtype="http://schema.org/webFeed">\n' + \
+            html_str + '</nav>\n'
     return html_str