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Is it possible to encourage AUCTeX to indent specific environment contents deeper than other environments? My specific case is getting the following indentation for chorus:

\begin{song} \begin{verse} Normal 2-spaces indentation \end{verse} \begin{chorus} Would be great to have it indented deeper. \end{chorus} \end{song}

I tried playing with LaTeX-indent-environment-list. It works well to avoid indenation where inappropriate, the following 

(add-to-list 'LaTeX-indent-environment-list '("song" (lambda() 0)))

nicely disabled indentation inside song, but similar trick:. 

 (add-to-list 'LaTeX-indent-environment-list '("chorus" (lambda() (* 3 LaTeX-indent-level))))

ends up closing such environment incorrectly:

\begin{verse} Normal 2-spaces indentation \end{verse} \begin{chorus} Would be great to have it indented deeper. \end{chorus}

Is there any workaround?

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1 Answer 1

Reset to default
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The function listed in LaTeX-indent-environment-list should also cater for backindenting the \end, see for example LaTeX-indent-tabular. Add the following code to your init file:

(defun mg-LaTeX-indent-chorus () (cl-destructuring-bind (beg-pos . beg-col) (LaTeX-env-beginning-pos-col) (cond ((looking-at "\\\\end{chorus}") beg-col) (t (+ (* 3 LaTeX-indent-level) beg-col))))) (defun mg-LaTeX-indent-song () (save-excursion (LaTeX-find-matching-begin) (current-column))) (add-to-list 'LaTeX-indent-environment-list '("song" mg-LaTeX-indent-song)) (add-to-list 'LaTeX-indent-environment-list '("chorus" mg-LaTeX-indent-chorus))

Now the following LaTeX code is correctly indented:

\begin{foo} \begin{song} \begin{verse} Normal 2-spaces indentation \end{verse} \begin{chorus} Would be great to have it indented deeper. \end{chorus} \end{song} \end{foo}
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  • Is there any way to indent every begin...end like for...else inside a function in C/C++ source code? Commented Sep 2, 2016 at 4:25

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