If the web client (browser) doesn't use ASCII "\r\n"¹ for newline in the text it sends to you, then the web client is broken, IMHO.

¹Note that this is not ambiguous. I know that "\r\n" on old Macs results in ASCII "\n\r", but that is because those Macs are near-ASCII systems despite them claiming to be ASCII systems. q-:

                - tye