convert info to UTF-8

screen.spec

@@ -59,6 +59,11 @@ support multiple logins on one terminal.
 sed -i -e 's/.*#.*undef.*HAVE_BRAILLE.*/#define HAVE_BRAILLE 1/;' config.h
 
 sed -i -e 's/\(\/usr\)\?\/local\/etc/\/etc/g;' doc/screen.{1,texinfo}
+
+for i in doc/screen.texinfo; do
+    iconv -f iso8859-1 -t utf-8 < $i > $i.utf8 && mv -f ${i}{.utf8,}
+done
+
 rm -f doc/screen.info*
 
 # fails with %{?_smp_mflags}