--- oldhttpd-2.4.37/include/httpd.h	2018-09-11 10:04:53.000000000 -0400
+++ httpd-2.4.37/include/httpd.h	2018-11-26 02:11:10.705996025 -0500
@@ -248,6 +248,10 @@
 #define DOCTYPE_HTML_4_0F "<!DOCTYPE HTML PUBLIC \"-//W3C//" \
                           "DTD HTML 4.0 Frameset//EN\"\n" \
                           "\"http://www.w3.org/TR/REC-html40/frameset.dtd\">\n"
+/** HTML 4.01 Doctype */
+#define DOCTYPE_HTML_4_01 "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">\n"
+/** HTML 5 Doctype */
+#define DOCTYPE_HTML_5 "<!DOCTYPE html>\n"
 /** XHTML 1.0 Strict Doctype */
 #define DOCTYPE_XHTML_1_0S "<!DOCTYPE html PUBLIC \"-//W3C//" \
                            "DTD XHTML 1.0 Strict//EN\"\n" \
