--- oldhttpd-2.4.37/modules/generators/mod_autoindex.c 2017-05-02 07:01:17.000000000 -0400
+++ oldhttpd-2.4.37/modules/generators/mod_autoindex.c 2018-11-26 02:46:14.181041720 -0500
@@ -179,7 +179,7 @@
" \n Index of ", title,
"\n", NULL);
} else {
- ap_rvputs(r, DOCTYPE_HTML_3_2,
+ ap_rvputs(r, DOCTYPE_HTML_4_01,
"\n \n"
" Index of ", title,
"\n", NULL);