--backup-and-modify-in-place
--backup-file-extension='/'
# "tightness" means the closeness with which pairs of enclosing tokens,
# such as parentheses, contain the quantities within.
--paren-tightness 0
--square-bracket-tightness 0
--brace-tightness 0
--variable-maximum-line-length
--maximum-line-length 80
--indent-columns 2
--continuation-indentation 2
--cuddled-else
--static-side-comments
# https://blogs.perl.org/users/mauke/2010/05/no-semicolon-after-return-values.html
# No semicolon after return values
--noadd-semicolons
--noblanks-before-comments
