GitLab

(dirtrack-directory-function): Use file-name-as-directory.
(dirtrack-windows-directory-function): Simplify.
(dirtrack-forward-slash, dirtrack-backward-slash)
(dirtrack-replace-slash): Remove.
(dirtrack-toggle): Adjust comint-preoutput-filter-functions as well.
(dirtrack): Fix wrong parenthesizing; use match-string.