Re: Form feed in Net-UTF8? (Was: FWD: Re: Comments on Unicode Format for Network Interchange

John C Klensin <john-ietf@jck.com> Fri, 05 October 2007 15:58 UTC

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Date: Fri, 05 Oct 2007 11:57:59 -0400
From: John C Klensin <john-ietf@jck.com>
To: Stephane Bortzmeyer <bortzmeyer@nic.fr>
Subject: Re: Form feed in Net-UTF8? (Was: FWD: Re: Comments on Unicode Format for Network Interchange
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--On Friday, 05 October, 2007 17:12 +0200 Stephane Bortzmeyer
<bortzmeyer@nic.fr> wrote:

> Doug Ewell said:
> 
>> > I recommend that the control code FF (form feed, U+000C) be
>> > likewise permitted.  The form feed function is well known
>> > and well defined in almost all printing functions, and all
>> > RFCs issued in modern times use FF to separate pages.  It
>> > would ironic indeed for the Internet-Draft to retain the
>> > requirement that form feeds "SHOULD NOT be used unless
>> > required by exceptional circumstances" while advancing
>> > toward publication as an RFC, complete with form feeds!
> 
> And I did not see anywhere a discussion of this specific
> point. I notice that draft-klensin-net-utf8-04 still disallows
> (actually, it is a SHOULD NOT in section 2.1) form feeds and
> I'm not sure of the rationale. Why end-of-lines and not
> end-of-pages?

Because line breaks are required even for unformatted streams.
FormFeeds are not.  

But I find the above arguments reasonably persuasive and will
put FF back in unless others feel strongly about this.

    john