charset: silence perl warning on ascii range check

Find 00-7F inherit value in gsm0338 without overly critical hex() complaints
[Illegal hexadecimal digit '-' ignored].

diff --git a/charset.plp b/charset.plp
index d832d653c17807ee466fd7c0b5ebfbaf978928b1..7909fa8d4ed0f5b06f5bcb4351bdd3cfe9e3b004 100644 (file)
--- a/charset.plp
+++ b/charset.plp
@@ -115,7 +115,7 @@ sub tabinput {
                }
                elsif (@parents) {
                        $row{parent} = $parents[0];
-                       $params = $parents[1] if hex $parents[1] == 0;  # apply ascii end
+                       $params = $parents[1] if $parents[1] =~ /^0+-/;  # apply ascii end
                }
                $visible->{$_} //= 0 for $row{parent} || ();
        }