Re: How to make c-indent-line-region respect indent-tabs-mode when it's already aligned?

[Eli Zaretskii <eliz@gnu.org>]

> From: Hong Xu <hong@topbug.net>
> Date: Sat, 30 May 2015 01:28:13 -0700
> 
> Currently it seems that c-indent-line-region ignores the value of
> indent-tabs-mode. For example, I have the following in a buffer
> 
>     int main()
>     {
>     <Tab>int x;
>     }
> 
> and my indent-tabs-mode is nil. If 8 spaces is what expected, calling
> c-indent-line-or-region would do nothing. However, if it's not aligned
> 
>     int main()
>     {
>     <Tab>   int x;
>     }
> 
> calling c-indent-line-or-region would correct the tab with appropriate
> number of spaces.
> 
> Is there a different line indentation function which respects
> indent-tabs-mode even the line is already aligned?

You are using the wrong command.  You should use untabify to convert
tabs to spaces, or tabify to do the opposite.