bug#34979: 24.5; indent .tex broken

[Thomas Bucaioni <thomas.bucaioni@gmail.com>]

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A minimal example in attachment

Le dim. 31 mars 2019 à 13:43, Thomas Bucaioni <thomas.bucaioni@gmail.com> a
écrit :

> This breaks the indentation too :
>
> \newcommand{\intervalleof}[2]{
>   {\left.\vphantom{#1#2}\right]}
>            {#1}
>            \mathpunct{};\mathpunct{}
>                      {#2}
>                      {\left.\vphantom{#1#2}\right]}
>                        }
>
>
> Le dim. 31 mars 2019 à 12:16, Thomas Bucaioni <thomas.bucaioni@gmail.com>
> a écrit :
>
>> By the way, \mathbb{R}^{*[*0,\infty)} breaks the indentation too on
>> emacs 25. It's the probabilists notation... With \mathopen and \mathclose,
>> it's fixed :
>> \mathbb{R}^{\mathopen{[}0,\infty\mathclose{)}}
>>
>> How do pass to emacs26, apt-get install emacs26 answers 'not found' ?
>>
>> Le sam. 30 mars 2019 à 19:31, Thomas Bucaioni <thomas.bucaioni@gmail.com>
>> a écrit :
>>
>>> Hello,
>>> Someone found a fix on StackExchange :
>>> https://emacs.stackexchange.com/questions/48553/indentation-broken-with-all-inputfiles-tex
>>>
>>> Le mer. 27 mars 2019 à 13:27, Glenn Morris <rgm@gnu.org> a écrit :
>>>
>>>> Thomas Bucaioni wrote:
>>>>
>>>> > When pressing the TAB key, the indentation doesn't happen. Even, the
>>>> > text is translated as in a Word or LibreOffice document.
>>>>
>>>> Please give a minimal complete example starting from emacs -Q.
>>>>
>>>> > In GNU Emacs 24.5.1 (i686-pc-linux-gnu, GTK+ Version 3.22.11)
>>>>
>>>> Please try the current release (26.1 at time of writing).
>>>>
>>>

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\documentclass{article}

\newcommand{\intervalle}[4] {
  \mathopen{#1}
  #2
  \mathpunct{};
  #3
  \mathclose{#4}
}
\newcommand{\intff}[2] {
  \intervalle
      {\left[\vphantom{#1#2}\right.}
        {#1}
        {#2}
        {\left.\vphantom{#1#2}\right]}
}
\newcommand{\intfo}[2] {
  \intervalle
      {\left[\vphantom{#1#2}\right.}
        {#1}
        {#2}
        {\left[\vphantom{#1#2}\right.}
        }
        \newcommand{\intoo}[2] {
          \intervalle
              {\left.\vphantom{#1#2}\right]}
                   {#1}
                   {#2}
                   {\left[\vphantom{#1#2}\right.}
                   }
                   \newcommand{\intof}[2] {
                     \intervalle{\left.\vphantom{#1#2}\right]}
                              {#1}
                              {#2}{\left.\vphantom{#1#2}\right]}
}

\begin{document}
Bonjour, j'\'edite en \LaTeX~!
\end{document}