そもそも fml 5.0 で実装するのか？不明のもの

=head1 HTML 生成

     AUTO_HTML_GEN:
     
     HTML_THREAD:			1
     
     HTML_INDEX_REVERSE_ORDER:	1
     
     HTML_DIR:			htdocs
     
     HTML_EXPIRE_LIMIT:
     
     HTML_INDEX_TITLE:
     
     HTML_DATA_CACHE:
     HTML_DATA_THREAD:
     
     HTML_OUTPUT_FILTER:
     
     HTML_STYLESHEET_BASENAME:	
     
     HTML_THREAD_REF_TYPE:		prefer-in-reply-to
     
     HTML_THREAD_SORT_TYPE:
     
     HTML_INDEX_UNIT:		day
     
     HTML_INDENT_STYLE:		UL
     
     HTML_MULTIPART_IMAGE_REF_TYPE:
     
     HTML_DEFAULT_UMASK:
     HTML_WRITE_UMASK: