Re: [Xen-users] [OT] How to move from pygrub to pv-grub?

[John Haxby <john.haxby@xxxxxxxxxx>]

Kai Schaetzl wrote:
> Btw, I get garbled characters from your header displayed that should not 
> display at all.
> X-GC-3.12: what is that? AFAIK, dots are not allowed in headers, that's 
> why my reader doesn't like that line. Can you change that to use an 
> underscore for instance?
>   
I think your reader is broken.   From RFC 2822, §2.2, Header Fields:

>    Header fields are lines composed of a field name, followed by a colon
>    (":"), followed by a field body, and terminated by CRLF.  A field
>    name MUST be composed of printable US-ASCII characters (i.e.,
>    characters that have values between 33 and 126, inclusive), except
>    colon.
and in §3.6.8, Optional Fields, it gives the ABNF corresponding to that 
description so there's no excuse for getting it wrong :-)  I did wonder 
if the obsolete comment field had any restrictions over its non-obsolete 
counterpart, but it doesn't.
jch

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