qrcode doesn't accepts line breaks

[gubi]

I tried with:
\r\n

a\r\nb\r\nc

\x0D\x0A

a\x0D\x0Ab\x0D\x0Ac

%0A in the query string...
?test=a%0Ab%0Ac and then

<barcode code="<?php print $_GET["test"]; ?>" type="QR" error="H" />

but nothing.
After the generation my phone scan it as "a b c".
How to solve it?

Thanks in advance

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[gubi]

I found a workaround.... just replace the line 73 of the file qrcode.class.php

$this->value = str_replace("BR", "\n", $value);

Then use in the text "BR" instead of \n