Add placeholders for unknown entries, tone down colors a bit.

Author: pmichaud

process.pl

@@ -74,7 +74,7 @@ sub write_html {
         '+'          => 'implemented',
         "\N{U+00B1}" => 'partial',
         '-'          => 'missing',
-        ''           => 'unknown',
+        '?'          => 'unknown',
     );
 
     my @rows;
@@ -87,8 +87,8 @@ sub write_html {
             $ht_row{feature}  = shift @row;
             $ht_row{compilers} = [ map {
                 {
-                    status => $row[$_] // '',
-                    class  => $status_map{$row[$_] // ''},
+                    status => $row[$_] // '?',
+                    class  => $status_map{$row[$_] // '?'},
                 }
             } 0..($index - 1) ];
             push @rows, \%ht_row;

template.html

@@ -12,13 +12,17 @@
         }
         .partial     {
             background-color: #fb4;
-            color:            black;
+            color:            #333;
         }
         .missing     {
-            background-color: #f22;
+            background-color: #f55;
             color:            white;
         }
-        .implemented, .partial, .missing {
+        .unknown     {
+            background-color: #ccc;
+            color:            white;
+        }
+        .implemented, .partial, .missing, .unknown {
             text-align:         center;
             width:              150px;
             font-weight:        bold;
@@ -46,6 +50,8 @@ <h2>Legend</h2>
             <dd>partially implemented</dd>
         <dt class="missing">-</dt>
             <dd>not yet implemented</dd>
+        <dt class="unknown">?</dt>
+            <dd>unknown status</dd>
     </dl>
 
     <h2>Features</h2>