diff -Naur gri-2.12.23.orig/doc/gri.texi gri-2.12.23/doc/gri.texi
--- gri-2.12.23.orig/doc/gri.texi	2017-08-24 16:31:52.000000000 +0200
+++ gri-2.12.23/doc/gri.texi	2019-10-22 15:39:51.666151000 +0200
@@ -19277,7 +19277,7 @@
 Thomas Larsen,
 @cindex Thomas Larsen (contributor)
 @cindex contributor, Thomas Larsen
-Alejandro L�pez-Valencia,
+Alejandro Lopez-Valencia,
 @cindex Alejandro Lopez-Valencia (contributor)
 @cindex contributor, Alejandro Lopez-Valencia
 Kawamura Masao,