File grepmail-empty-file-not-error.patch of Package grepmail

--- t/nonexistent_mailbox.t
+++ t/nonexistent_mailbox.t
@@ -149,6 +149,15 @@
 
   my %skip;
 
+  $skip{"$^X -MExtUtils::Command -e cat no_such_file 2>" . devnull() .
+	" | grepmail pattern"} = 'inappropriate for Mail::Mbox::MessageParser >= 1.5002'
+	if $Mail::Mbox::MessageParser::VERSION >= 1.5002;
+
+  $skip{"$^X -MExtUtils::Command -e cat no_such_file 2>" . devnull() .
+	" | grepmail -E $single_quote\$email =~ /pattern/$single_quote"} =
+	'inappropriate for Mail::Mbox::MessageParser >= 1.5002'
+	if $Mail::Mbox::MessageParser::VERSION >= 1.5002;
+
   return %skip;
 }