digraphs: indicate direction order

Put an downwards-right arrow at the row/column index, hopefully hinting
to which axis is to be followed first.  As the arrow goes down first,
hopefully it's clear the vertical axis contains the most significant
(first) character.

diff --git a/digraphs.plp b/digraphs.plp
index 6193b97d07ffc7dab0dd6a532ea65609f02c0cd1..cec6406e3caf6a96178ef829ce525869a6f944a0 100644 (file)
--- a/digraphs.plp
+++ b/digraphs.plp
@@ -51,7 +51,7 @@ print '<table class="glyphs dimap"><col>';
 print qq'<colgroup span="$_">' for map {scalar @$_} @chars2;
 print "</colgroup><col>\n";
 for my $section (qw{thead tfoot}) {
-       print "<$section><tr><th>&nbsp;";
+       print "<$section><tr><th>↳";
        print '<th>', quote($_) for map {@$_} @chars2;
        print "<th>&nbsp;\n";
 }