hs-lint.el fails a linter

Here's some output:

hs-li… 0 warning You should have a section marked ";;; Commentary:" (emacs-lisp-checkdoc)
hs-li… 21 warning You should have a section marked ";;; Code:" (emacs-lisp-checkdoc)
hs-li… 32 warning First sentence should end with punctuation (emacs-lisp-checkdoc)
hs-li… 37 warning First sentence should end with punctuation (emacs-lisp-checkdoc)
hs-li… 42 warning First sentence should end with punctuation (emacs-lisp-checkdoc)
hs-li… 60 warning First sentence should end with punctuation (emacs-lisp-checkdoc)
hs-li… 63 warning All variables and subroutines might as well have a documentation string (emacs-lisp-checkdoc)
hs-li… 68 warning First sentence should end with punctuation (emacs-lisp-checkdoc)
hs-li… 82 28 warning goto-line' is for interactive use only; use forward-line' instead. (emacs-lisp)
hs-li… 103 warning First sentence should end with punctuation (emacs-lisp-checkdoc)
hs-li… 103 warning Argument `buf' should appear (as BUF) in the doc string (emacs-lisp-checkdoc)
hs-li… 119 warning First sentence should end with punctuation (emacs-lisp-checkdoc)

Start with hs-lint.el and run the emacs-lisp-checkdoc and emacs-lisp checks shown in the issue. Review each reported warning, including missing Commentary and Code sections, documentation punctuation, missing doc strings, and goto-line usage. Done means the linter reports no warnings for hs-lint.el.