Is there a command which is completely ignored by LaTeX?

Question

I'm using TeXiFy IDEA and it has autoformatting feature. However, in some cases I would like to preserve my own formatting. E.g.

Very
    long
    sentence.

after formatting becomes

Very
long
sentence.

, which I would like to avoid.

One solution (hack) I have in mind is to insert some character in the beginning of indented lines, e.g.:

Very
   long
   sentence.

However, it inserts an extra space in the resulting text. Similarly, {} has the same effect. Is there a character/command which is completely ignored by LaTeX, without affecting output in any way?

If there are cleaner solutions for the original problem, they are much appreciated. If there exists an option to achieve this in settings, I didn't find  it.

David Carlisle · Accepted Answer

If you really want to do this, you could use relax, as long as it is normal text not verbatim and other special modes.

Abby · Answer

If you want TeXiFy to stay away from a specific part of your tex file when formatting, you can enclose it with formatter comments (don't forget to enable them in the settings):
% @formatter:off
Very
   long
   sentence
% @formatter:on

Is there a command which is completely ignored by LaTeX?

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