The etree.org page is apparently dead,
but the freeshell.org sites exist
and have the tarballs.
Jan
Index: shntool/Makefile
===================================================================
RCS file: /cvs/ports/audio/shntool/Makefile,v
retrieving revision 1.6
diff -u -p -r1.6 Makefile
--- shntool/Makefile 11 Mar 2022 18:20:30 -0000 1.6
+++ shntool/Makefile 20 Feb 2023 16:54:22 -0000
@@ -5,7 +5,7 @@ REVISION = 1
CATEGORIES = audio
-HOMEPAGE = http://www.etree.org/shnutils/shntool/
+HOMEPAGE = http://shnutils.freeshell.org/shntool/
# GPLv2+
PERMIT_PACKAGE = Yes
Index: shorten/Makefile
===================================================================
RCS file: /cvs/ports/audio/shorten/Makefile,v
retrieving revision 1.16
diff -u -p -r1.16 Makefile
--- shorten/Makefile 8 Mar 2022 14:27:52 -0000 1.16
+++ shorten/Makefile 20 Feb 2023 16:54:22 -0000
@@ -2,7 +2,7 @@ COMMENT= fast compression for waveform f
DISTNAME= shorten-3.6.1
CATEGORIES= audio archivers
-HOMEPAGE= http://www.etree.org/shnutils/shorten/
+HOMEPAGE= http://shnutils.freeshell.org/shorten/
MAINTAINER= Christian Weisgerber <na...@openbsd.org>
