It runs indent-line-function, which is indent-relative at the beginning of
each line in the region, because indent-region-function is nil.

On Sun, Mar 6, 2011 at 4:18 PM, rusi <rustompmody@gmail.com> wrote:

> On Mar 6, 4:28 am, PJ Weisberg <p...@irregularexpressions.net> wrote:
> > On Fri, Mar 4, 2011 at 3:17 PM, Dani Moncayo <dmonc...@gmail.com> wrote:
> > > What I was expecting:
> > >  - The selected lines move to the next tab-stop.
> > >  - The region remains active, so that I can repeat the indentation
> > > several times in a row.
> >
> > > What I see:
> > >  - The selected lines are not not moved at all.
> > >  - The region is deactivated.
> >
> > > Please, could someone explain this? Am I missing something?  (I guess I
> > > am, and that's why I'm posting to help-gnu-emacs instead of
> > > bug-gnu-emacs)
> >
> > It certainly does seem like a bug to me.  I would go ahead and report
> > it with M-x report-emacs-bug.
> >
> > -PJ
>
> Theres more strange (buggy?) behavior here.
>
> I took the text (note flush left):
>
> In text modes, <TAB> inserts some combination of space and tab
> characters to advance point to the next tab stop (*note Tab Stops).
> If the region is active and spans multiple lines, it advances the
> first
> character of each of those lines to the next tab stop (*note Using
> Region).  [...]
>
> Then did the described action (except for turning transient-mode on)
> At first it put 1 tab at start of each line
>
> The second time it added 1 tab on 1st line,2 on second, 3 on third, 4
> on fourth etc !!
>



-- 
Le