sc: subunit category in header cells (like parent)

Prefer <th> for consistency, even though empty cells look the same in
current styles.

diff --git a/sc.plp b/sc.plp
index 3ebc4f1ea7fdd72c45bbc9f6a9239e6a352e2940..3f6b78147b6b48bef73181064946a1f342f0bc18 100644 (file)
--- a/sc.plp
+++ b/sc.plp
@@ -293,7 +293,7 @@ sub showval {
                for my $subrow (@{ $_->{special} }) {
                        $subrow->{alt} or next;
                        print(
-                               '<tr class="alt"><td class="cat"><td>', $subrow->{alt},
+                               '<tr class="alt"><th class="cat"><td>', $subrow->{alt},
                                showunitcols($subrow),
                        );
                }