Query on CodingStyle: indentation

[gmate.amit@gmail.com (Kumar amit mehta)]

On Fri, Oct 19, 2012 at 03:03:28PM +0800, Adam Lee wrote:
> On Thu, Oct 18, 2012 at 10:31:29PM -0700, Kumar amit mehta wrote:
> > Hi,
> > 
> > I've a query regarding the coding style for Linux Kernel code. I'm
> > reading the CodingStyle under Documentation and what I've understood is
> > that I shouldn't be using spaces for indentation purposes and should use
> > tabs of width 8 characters. Quoting from the same document: 
> > "Outside of comments, documentation and except in Kconfig, spaces are
> > never used for indentation, and the above example is deliberately broken."
> > However, Is it correct to replace each tab stroke by 8 spaces ? I use vim
> > editor and I've put following under $HOME/.vimrc file:
> > <snip>
> > set tabstop=8
> > set shiftwidth=8 
> > set expandtab
> > <snip>
> > 
> > In past I've seen that some application have different interpretation of
> > tabs and hence sometimes even If I've done proper indentation using tab,
> > the code appears unindented, and therefore In order to make sure that I'm
> > moving 8 characters upon hitting tab, I've put the above rules under my
> > .vimrc file. Please let me know If I should remove these from my .vimrc
> > file and rely on tab instead.
> 
> No, you should not expand tabs. Tabs in CodingStyle mean _hard_ tabs.
> 
> Mine:
> 
> <snip>
> set tabstop=8
> set noexpandtab
> set shiftwidth=8
> set cinoptions=:0,l1,t0,g0
> <snip>
>

Thank you Adam for sharing your vim recipe.