Both links are broken; however, I'm not sure if SITES should be
something else?

--- Makefile.orig	Sat May 18 18:14:48 2024
+++ Makefile	Sat May 18 18:15:36 2024
@@ -4,14 +4,14 @@
 
 SHARED_LIBS=		mxml	0.2	# 1.5
 
-HOMEPAGE=		http://www.msweet.org/projects.php?Z3
+HOMEPAGE=		https://www.msweet.org/mxml/
 
 # LGPLv2 with exceptions
 PERMIT_PACKAGE=	Yes
 
 WANTLIB=		c
 
-SITES=			http://www.msweet.org/files/project3/
+SITES=			https://www.msweet.org/mxml/
 
 CONFIGURE_STYLE=	gnu dest
 CONFIGURE_ARGS+=	--disable-threads