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NNTP-Posting-Date: Sat, 20 Jun 2026 04:03:50 +0000
From: steve g <Sgonedes1977@gmail.com>
Newsgroups: gnu.emacs.help
Subject: Re: Question about change in shell mode
References: <slrn10m5imt.3pf.zsd@x360.localdomain>
Date: Sat, 20 Jun 2026 00:03:50 -0400
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Jim Diamond <zsd@jdvb.ca> writes:

> (I posted this a week or so ago in the "wrong" emacs group, and just
> silence.  Maybe that one is essentially dead, so I thought I'd try here.)
>
> In emacs 28.2 (started as "emacs -Q"), if I have a file
>
> ------------------------------------cut here---------------------
> #! /bin/sh
>     
> while
> do
> done
> ------------------------------------cut here---------------------
>
> and I mark the region with the (partial) while loop and then
>         M-x indent-region
> nothing changes.
>
> However, in emacs 30.2, the partial while loop changes to
>
> while
>     do
> done
>
> The same thing happens with "until" loops, but not "for" loops.
>
>
> Other info: with no condition, in 30.2 with the cursor at the beginning of
> the "do" line, smie-config-show-indent (C-c ?) says
>         Rules used: :elem basic -> 4, :after "while" -> nil
> whereas in
>
> for
> do
> done
>
> (i.e., a for loop with no loop variable or list) with the cursor at the
> beginning of the "do" line, smie-config-show-indent says
>         Rules used: :before "do" -> 0
>
> For the "while", Emacs 28.2's smie reports this:
>         Rules used: :before "do" -> 0
>
>
> Yes, I know I am missing the while condition there, and if I put it in,
> emacs 30.2 behaves itself.  So I can deal with it.
>
>
> My question is this: is this an intentional change in smie?  I browsed
> emacs' NEWS file and didn't see anything about a functional change in smie.
>
>
>                                 Jim




try running M-x normal-mode.
highlight the code and M-x indent-region should work.


> My question is this: is this an intentional change in smie?  I browsed
> emacs' NEWS file and didn't see anything about a functional change in smie.

I don't think anyone will ever try and modify shell mode. it is some scary software.
you could also try bash-ts-mode, this is new to me.