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I am using Emacs with a recent version of lua-mode (20200921.1745, commit 345ebfc1e236d9676e7e9f7364493785e7756348) installed with list-packages).

The function align-current is not working as in C mode. How to make it work properly?

Expected:

local Var1 = 1 local Var_2 = 2 local Var_33 = 3 > Call M-x align-current local Var1 = 1 local Var_2 = 2 local Var_33 = 3

Result: No change at all

local Var1 = 1 local Var_2 = 2 local Var_33 = 3 > Call M-x align-current local Var1 = 1 local Var_2 = 2 local Var_33 = 3
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After some research, I finally wrote a solution based on Align regexp from emacs lisp and Inconsistent M-x align-regexp vs. C-u M-x align-regexp behaviour :

It's probably not idiomatic, as I assume that there should be a way to change the behavior of align-current in lua-mode, to make it work as c-mode, but I have no idea how to do that. So this solution is probably just a work-around.

(defun lua-align-current () (interactive) (save-excursion (mark-paragraph) (align-regexp (point) (mark) "\\(\\s-*\\)=" 1 1 nil)))

The key-point was this comment: https://stackoverflow.com/a/14587077/10953006

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