Change default comment token to # for unrecognized files #12080
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Helix currently uses // as the default comment token for unrecognized file types, but this doesn’t align well with Linux conventions. Since Linux configuration files—such as locale.conf, pacman.conf, and /etc/sudoers—almost always use # for comments, defaulting to // feels out of place.
Files like locale.conf and pacman.conf are sometimes misclassified as HOCON simply because they have a .conf extension, and files without extensions (e.g., sudoers) end up with // as their comment token, which doesn’t match their typical usage.
Most programming languages that use // (e.g., Rust, JavaScript) are easily recognized by their file extensions, whereas files without extensions are more likely to follow Linux conventions and use #. Switching the default to # makes Helix more predictable and practical for Linux users.