Re: misaligned tab and spaces in src block

[Michael Dauer <mick.dauer@gmail.com>]

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Hi Tim,

indent-tabs-mode was exactly what I was looking for.

Thank you,
Michael

Am Di., 25. Mai 2021 um 04:39 Uhr schrieb Tim Cross <theophilusx@gmail.com>:

>
> Michael Dauer <mick.dauer@gmail.com> writes:
>
> > Hi,
> >
> > #+begin_src elisp :results output
> > (aaa
> >  bbb (
> > #x09#x09#x09ccc))
> >       ccc
> > #+end_src
> > looks like this in the editor
> > (aaa
> >  bbb (
> >         ccc))
> >           ccc
> >
> > Line 1-3 were indented automatically by pressing Tab. In line 4 I
> inserted 6 spaces manually. This is what I would expect to find in line 3
> too. But at my
> > surprise there are 3 tab chars in line 3. Line 2 was indented
> automatically with 1 space.
> >
> > 1. So why is line 3 indented with 3 tabs instead of 6 spaces?
> > 2. How can I prevent this?
> > 3. Why does a tab have a width between 1 and 2 spaces?
> > 4. How can I prevent this misalignment?
> >
> >I don't understand what  org-block face has fixed-pitch.
> >
> > Org mode version 9.4.6 (9.4.6-gcf30f7
> > (setq-default tab-width 2)
> > (setq org-src-fontify-natively t
> > org-src-window-setup 'current-window
> > org-src-strip-leading-and-trailing-blank-lines t
> > org-src-preserve-indentation t
> > org-src-tab-acts-natively t)
> >
>
> Are you editing the source block using org-edit-special (C-c ,)? If not,
> then you are not editing the source block with the correct syntax for
> elisp and this will throw out auto formatting.
>
> Your example block is invalid elisp code which is
> #+begin_src elisp :results output
>   (aaa
>    bbb (
>         #x09#x09#x09ccc))
>   ccc
> #+end_src
>
> but I don't see how you can get any output as it is not valid elisp. It
> is not clear to me what you are trying to do. You have 3 tab characters
> (#x09), so don't see why you would expect them to be spaces?
>
> If what you want is for hitting tab to insert only spaces, have a look
> at the variable indent-tab-mode. You can, for example, do
>
> (setq-default indent-tab-mode nil)
>
> to force use of spaces instead of tabs. However, be careful about doing
> this globally if you also want to contribute to projects where tabs are
> used as this will cause havoc with diffs and git. You can also set this
> on a per language (via mode hooks) or per project (via local variables).
>
> To get a better feel for how language modes align code etc, you really
> need to make sure the code you are trying to align is syntactically
> valid and you are using the correct coding style for the language.
> --
> Tim Cross
>
>
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