author-tagging-link.php

<?php $author = $page->author() ?>
<a href="<?php echo url('articles/author:' . urlencode($author)) ?>">all articles by <?php echo $author; ?></a>

author-tagging.php

<?php

  if(param('tag')) {
  
      $tag = urldecode(param('tag'));
      $articles = $pages->find('articles')
                        ->children()
                        ->visible()
                        ->filterBy('tags', $tag, ',')
                        ->flip()
                        ->paginate(10);
  
      echo '<h1>Beiträge verschlagwortet mit: <em>' . $tag . '</em></h1>';
  }
  
  elseif(param('author')) {
  
      $author = urldecode(param('author'));
      $articles = $pages->find('articles')
                        ->children()
                        ->visible()
                        ->filterBy('author', $author)
                        ->flip()
                        ->paginate(10);
  
      echo '<h1>Beiträge verfasst von: <em>' . $author . '</em></h1>';
  }
  
  else {
  
      $articles = $pages->find('articles')
                        ->children()
                        ->visible()
                        ->flip()
                        ->paginate(10);
} ?>