$OpenBSD: patch-texmf-dist_tex_latex_clefval_clefval_sty,v 1.1 2020/08/18 18:40:21 edd Exp $

clefval.sty contains invalid unicode.

https://tex.stackexchange.com/questions/555258/clefval-sty-package-inputenc-error-invalid-utf-8-byte-a0

Index: texmf-dist/tex/latex/clefval/clefval.sty
--- texmf-dist/tex/latex/clefval/clefval.sty.orig
+++ texmf-dist/tex/latex/clefval/clefval.sty
@@ -31,7 +31,7 @@
 \newcommand*{\@setTheValue}[2]{%
   \ifx#1\relax
   \protect\G@refundefinedtrue
-  \nfss@text{\reset@font\bfseries^^a0????}%
+  \nfss@text{\reset@font\bfseries~????}%
 \@latex@warning{Value of `#2' on page \thepage\space  undefined}%
   \else #1\null \fi}
 \newcommand*{\TheValue}[1]{\expandafter\@setTheValue\csname
