lib/PublicInbox/View.pm |  3 ++-
 t/check-www-inbox.perl  | 12 ++++++++++++

diff --git a/lib/PublicInbox/View.pm b/lib/PublicInbox/View.pm
index 2b40bcdd37f31c7e0a715d130a59cd3fd0b4b675..0ba78fe2d9e103bcbe201dbbb47d1cf32a56fa40 100644
--- a/lib/PublicInbox/View.pm
+++ b/lib/PublicInbox/View.pm
@@ -324,7 +324,8 @@ 		defined($v) && ($v ne '') or next;
 		$v = PublicInbox::Hval->new($v);
 
 		if ($h eq 'From') {
-			$title[1] = PublicInbox::Address::from_name($v->raw);
+			my $n = PublicInbox::Address::from_name($v->raw);
+			$title[1] = ascii_html($n);
 		} elsif ($h eq 'Subject') {
 			$title[0] = $v->as_html;
 			if ($srch) {
diff --git a/t/check-www-inbox.perl b/t/check-www-inbox.perl
index 7cfe19328b7266d93200c434cb410833e9c0c97d..6be631e9dc5c0e89ffff5a1530a72cbcddbdb40d 100644
--- a/t/check-www-inbox.perl
+++ b/t/check-www-inbox.perl
@@ -13,6 +13,7 @@ use LWP::ConnCache;
 use POSIX qw(:sys_wait_h);
 use Time::HiRes qw(gettimeofday tv_interval);
 use WWW::Mechanize;
+use Data::Dumper;
 my $nproc = 4;
 my $slow = 0.5;
 my %opts = (
@@ -144,6 +145,17 @@ 			} while (!defined $s && $!{EINTR});
 			die "$$ send $!\n" unless defined $s;
 			my $n = length($l);
 			die "$$ send truncated $s < $n\n" if $s != $n;
+		}
+
+		# make sure the HTML source doesn't screw up terminals
+		# when people curl the source (not remotely an expert
+		# on languages or encodings, here).
+		next if $r->header('Content-Type') !~ m!\btext/html\b!;
+		my $dc = $r->decoded_content;
+		if ($dc =~ /([\x00-\x08\x0d-\x1f\x7f-\x{99999999}]+)/s) {
+			my $o = $1;
+			my $c = Dumper($o);
+			warn "bad: $u $c\n";
 		}
 	}
 }