code: public static Collection<AbstractHtml> findTagsByTagName(
              final String tagName, final AbstractHtml... fromTags)
              throws NullValueException {
  
          return findTagsByTagName(false, tagName, fromTags);
      }
docs: Finds and returns the collection of tags (including the nested tags)
  matching with the give tag name.
  
  @param tagName
  the name of the tag.
  @param fromTags
  from which the findings to be done.
  @return the collection of tags matching with the given tag name .
  @throws NullValueException
  if the {@code tagName} or {@code fromTags}
  is null
  @since 2.1.11
  @author WFF