INFO:  latexindent.pl version 3.23.6, 2024-01-17, a script to indent .tex files
       latexindent.pl lives here: /nix/store/dg0j7w9wrsdrrrnzyr4akibajm2qfixs-latexindent-3.23.6-tex/scripts/latexindent/
       Tue Oct 29 23:04:51 2024
       Reading input from STDIN
INFO:  Processing switches:
INFO:  Directory for backup files and indent.log:
       .
INFO:  Perl modules are being loaded from the following directories:
       /nix/store/mnnp3qlmkwgzl3lbnz7qlaqddwjjwa7v-perl-5.40.0/lib/perl5/5.40.0/FindBin.pm
       /nix/store/084zikfymlc0xadd0r0da714cf48p0ri-perl-5.40.0-env/lib/perl5/site_perl/5.40.0/YAML/Tiny.pm
       /nix/store/mnnp3qlmkwgzl3lbnz7qlaqddwjjwa7v-perl-5.40.0/lib/perl5/5.40.0/File/Copy.pm
       /nix/store/mnnp3qlmkwgzl3lbnz7qlaqddwjjwa7v-perl-5.40.0/lib/perl5/5.40.0/File/Basename.pm
       /nix/store/mnnp3qlmkwgzl3lbnz7qlaqddwjjwa7v-perl-5.40.0/lib/perl5/5.40.0/Getopt/Long.pm
       /nix/store/084zikfymlc0xadd0r0da714cf48p0ri-perl-5.40.0-env/lib/perl5/site_perl/5.40.0/File/HomeDir.pm
INFO:  LatexIndent perl modules are being loaded from, for example:
       /nix/store/dg0j7w9wrsdrrrnzyr4akibajm2qfixs-latexindent-3.23.6-tex/scripts/latexindent/LatexIndent/Document.pm
INFO:  YAML settings read: defaultSettings.yaml
       Reading defaultSettings.yaml from /nix/store/dg0j7w9wrsdrrrnzyr4akibajm2qfixs-latexindent-3.23.6-tex/scripts/latexindent/defaultSettings.yaml
INFO:  YAML reading settings
       Home directory is /home/youwen
       latexindent.pl didn't find indentconfig.yaml or .indentconfig.yaml
       see all possible locations: https://latexindentpl.readthedocs.io/en/latest/sec-appendices.html#indentconfig-options)
INFO:  Phase 1: searching for objects
INFO:  Phase 2: finding surrounding indentation
INFO:  Phase 3: indenting objects
INFO:  Phase 4: final indentation check
INFO:  Output routine:
       Not outputting to file; see -w and -o switches for more options.
       --------------
INFO:  Please direct all communication/issues to:
        https://github.com/cmhughes/latexindent.pl