- print $_, "\n" for $meta->{stylesheet} || ();
- print $_, "\n" for $meta->{raw} || ();
- print qq{</head>\n\n<body id="$file">\n};
+ say for $meta->{stylesheet} || ();
+ say for $meta->{raw} || ();
+ say '<meta name="robots" content="noindex">' if $Dev;
+ say qq{</head>\n\n<body id="$file">};
+
+ # development version indicator
+ printf '<p style="%s">beta</p>', join('; ',
+ 'position: fixed',
+ 'right: 1em',
+ 'opacity: .5',
+ 'border: 1ex solid red',
+ 'border-width: 1ex 0',
+ 'z-index: 1',
+ 'background: inherit',
+ ) if $Dev;