--- oldhttpd-2.4.37/modules/proxy/mod_proxy_ftp.c 2018-02-13 18:43:36.000000000 -0500
+++ httpd-2.4.37/modules/proxy/mod_proxy_ftp.c 2018-11-26 02:52:04.750782214 -0500
@@ -524,7 +524,7 @@
/* print "ftp://host/" */
escpath = ap_escape_html(p, path);
- str = apr_psprintf(p, DOCTYPE_HTML_3_2
+ str = apr_psprintf(p, DOCTYPE_HTML_4_01
"\n \n %s%s%s\n"
"\n"
" \n"