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    SubjectRe: [PATCH] CodingStyle: Add information about trailing whitespace.
    >On 6/28/07, Dave Young <hidave.darkstar@gmail.com> wrote:
    > >On 6/28/07, Li Yang-r58472 <LeoLi@freescale.com> wrote:
    > > > -----Original Message-----
    > > > From: linux-kernel-owner@vger.kernel.org
    > > > [mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of Josh Triplett
    > > > Sent: Thursday, June 28, 2007 2:59 PM
    > > > To: Jan Engelhardt
    > > > Cc: dave young; Chris Shoemaker; Josh Triplett;
    > > linux-kernel@vger.kernel.org;
    > > > akpm@linux-foundation.org
    > > > Subject: Re: [PATCH] CodingStyle: Add information about trailing
    > > whitespace.
    > > >
    > > > Jan Engelhardt wrote:
    > > > > On Jun 28 2007 06:29, dave young wrote:
    > > > >> IMHO, another cause of trailing whitespace is human error, for
    > > > >> example long lines breaking will easy to cause the first line with
    > > one
    > > > >> traling whitespace (original space between the last two words).
    > > > >
    > > > > Most common errors (to me) are:
    > > > >
    > > > > - hit return+tab too quickly that it interchanges, hence producing
    > > > > the unwanted \t\n
    > > > > - hit return+return to start a new paragraph of code;
    > > > > the intermediate line remains indented if autoindent is on.
    > > >
    > > > Interestingly, emacs gets that case right: when you hit enter it
    > > places the
    > > > cursor at the properly indented insertion point, but if you leave the
    > > line
    > > > without typing anything it does not leave the indentation. I thought
    > > I
    > > > remembered vim doing the same thing, but I just tested and it appears
    > > not. It
    > > > seems to avoid leaving subsequent lines indented, but not the first
    > > one.
    > >
    > > No, vim works just fine here without leaving any indentation. Maybe the
    > > version of vim or the options matter.
    > >
    > Yes, vim autoindent doesn't leave tabs in blank line for me.
    >
    And for vim trailing space, there's a tip in vim.org:
    http://www.vim.org/tips/tip.php?tip_id=878
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