"Standardizing" LaTeX code?

Question

Is there a program for LaTeX code akin to HTML Tidy that "standardizes" or "canonically" formats (automatically indents, spaces, etc.) LaTeX code?

AucTex formats code, but it doesn't appear to create a unique output for syntactically equivalent input.

thanks

@Marco: AucTeX might be my best and only option, then. Looking around on other questions, it seems there is no standard LaTeX formatting conventions like there are for HTML and other code. — Geremia, Oct 09 '13 at 15:19
This might be one of those cases where you are better off describing what your overall goal is, rather than what tool you think will help you accomplish that goal. For example, to decide if two LaTeX source files are equivalent you could compile to .dvi and compare the .dvi's. But maybe that's not what you want to do. — Jim Hefferon, Oct 09 '13 at 15:22
AUCTeX does an amazing job, but it is impossible for it to be perfect without parsing the meaning of every little thing the user has done. If you want to get a 'standardized' output based on 'syntactically equivalent input', run latex on the file(s). ;) — jon, Oct 09 '13 at 15:23
Related: What are the standard styles to format LaTeX source code? — Marco, Oct 09 '13 at 15:25
Yes, latexindent.pl, soon to be available in texlive: LaTeX code sniffer and/or beautifier?; youtube demonstration here: http://www.youtube.com/watch?v=s_AMmNVg5WM — cmhughes, Oct 09 '13 at 16:13
@giordano: That's LaTeX-specific? It's very slow for my hundreds of pages document… (Actually, AUCTeX formatting is slow for huge documents, too…) — Geremia, Oct 10 '13 at 05:41
@Geremia I don't have any familiarity with AUCTeX, so can not compare the two. Can you customize the indentation of every environment and command with AUCTeX? Does it know about verbatim environments, including your own custom names? Does it format environments that have alignment delimiters? can it be run from any editor using arara? I ask this out of honest curiousity. All of the things I have just listed are features of latexindent.pl — cmhughes, Oct 10 '13 at 16:20
@cmhughes of course yes, AUCTeX knows about verbatim environments, it doesn't indent them. To align tabular-like environments there is the align-current function. — giordano, Oct 11 '13 at 19:52
@giordano good to know. It's still specific to one editor though — cmhughes, Oct 11 '13 at 22:46

"Standardizing" LaTeX code?

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