Date: Mon, 9 Sep 2013 14:45:59 +0100
From: Mark Brown <broonie@kernel.org>
To: Alexander Holler <holler@ahsoftware.de>
Cc: Guenter Roeck <linux@roeck-us.net>,
        Daniel Santos <daniel.santos@pobox.com>,
        Daniel Santos <danielfsantos@att.net>,
        linux-gpio <linux-gpio@vger.kernel.org>,
        linux-usb <linux-usb@vger.kernel.org>,
        linux-spi <linux-spi@vger.kernel.org>,
        Samuel Ortiz <sameo@linux.intel.com>,
        LKML <linux-kernel@vger.kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>
Message-ID: <20130909134558.GY29403@sirena.org.uk>
References: <522BC27A.5080303@att.net>
 <522BCA33.6000701@roeck-us.net>
 <522D0D37.3050500@att.net>
 <522D17EC.3050908@roeck-us.net>
 <20130909110257.GU29403@sirena.org.uk>
 <522DAE69.4050608@ahsoftware.de>
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In-Reply-To: <522DAE69.4050608@ahsoftware.de>
User-Agent: Mutt/1.5.21 (2010-09-15)
Subject: Re: "Virtual" Interrupts -- Need help please
Sender: linux-kernel-owner@vger.kernel.org
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On Mon, Sep 09, 2013 at 01:18:01PM +0200, Alexander Holler wrote:
> Am 09.09.2013 13:02, schrieb Mark Brown:

> >makes your mail very hard to read.  It looks like your mailer has also
> >reflowed Daniel's mail.

> That's just wrong. Mail readers should wrap lines, not senders. And
> readers can do this since some decades.

There's a specific way for senders to request that if it's desired, set
format=flowed in the MIME type to tell the recipient that the formatting
isn't important.

> The reason is obvious: No sender knows the line width the receiver
> can display. So, for example, if the sender hard breaks lines every
> 80 chars, a reader with a device which just displays 60 characters
> at max. will see every second line with at most 20 characters. I
> assume you can guess how such does look like. Furthermore there are
> still a lot of people which do like to read mails with line length
> as long their display is possible to show, and hard breaking lines
> on the receiver side does make such impossible.

> So the correct behaviour is to not hard break lines on the sender
> side and leave that to the reader on the receiving side, as only the
> receiving side knows the line width.

This doesn't work well with lots of content (like patches) commonly
handled in technical contexts - the line breaks actually mean something
and it's hard fo the mail client to figure out what is going on unless
someone tells it.

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