fix cmyk

diff --git a/generate-board b/generate-board
index c57283eeeb54028083112d7bdd96ae6b657e7e5f..6e21535451d99e7c8255dca582971e79989577ee 100755 (executable)
--- a/generate-board
+++ b/generate-board
@@ -418,7 +418,7 @@ sub pscolour ($$$$) {
     }
     my %cmyk;
     foreach (split /(?=[A-Z])/, $spec) {
-      m/^([CMYK])([0-7]\.\d*|8)_?$/ or confess $_.' ?';
+      m/^([CMYK])([0-7](?:\.\d*)?|8)_?$/ or confess $_.' ?';
       confess if defined $cmyk{$1};
       $cmyk{$1} = $2 / 8.;
       print STDERR " CMYK $1 $2\n";