outline-minor-mode and comment syntax

Heime <[email protected]> Sat, 04 Jul 2026 23:31:01 +0000
Newsgroups gmane.emacs.help
Message-ID <N8KpNIoJoGPDHus_rlSGuLAEYooUALcm6OX40MOEiBSNLLm4Lbo32vLzprmdjgvkPbRGYwcssCUJhnUUkygj_NjlvZs9sfH0FKurkPvXTis=@protonmail.com>

Is outline-minor-mode specific to programming-like languages
that start with comment characters?  Is it applicable to any
kind of major mode or invented mode?