If you find a bug in abcsh, please send electronic mail to firstname.lastname@example.org. Include the version number, which you can find by running abcsh --version. Also include in your message the output that the program produced and the output you expected.
If you have other questions, comments or suggestions about abcsh, contact the author via electronic mail to email@example.com. The author will try to help you out, although he may not have time to fix your problems.