Rewrite comment on disabling the `DEBUG` trap in subshells, which is now handled upstream as of rcaloras/bash-preexec#26. Alsö, fix the guard variable assignment to allow it to be overridden elsewhere (e.g., for testing).
Rewrite comment on disabling the `DEBUG` trap in subshells, which is now handled upstream as of rcaloras/bash-preexec#26. Alsö, fix the guard variable assignment to allow it to be overridden elsewhere (e.g., for testing).