2010-01-22 Shingo W. Kagami dirbase() has been optimized. (no significant gain?)
2010-01-22 Shingo W. Kagami Cosmetic changes.
2010-01-22 Shingo W. Kagami Untabify .zshrc.
2010-01-22 Shingo W. Kagami Delete unused ESC chars. Defenconding is changed to Shift JIS.
2010-01-22 Shingo W. Kagami Delete unused lines.
2010-01-22 Shingo W. Kagami Bugs in network setting aliases are fixed.