zshrc: bk(): better usage/help handling
authorMoviuro <moviuro+grml@gmail.com>
Sun, 12 Apr 2015 10:33:06 +0000 (12:33 +0200)
committerMichael Prokop <mika@grml.org>
Tue, 14 Apr 2015 08:15:49 +0000 (10:15 +0200)
commitcbe11aa654dd53f621076532c61f5a24609e06ec
tree588e45d8d30fdd69b625937a92eec4fe123debf2
parent8945506c355c0e705ebe8a8f035a419d9459ca5f
zshrc: bk(): better usage/help handling

(cherry picked from commit d5c988cdc11d6fc07146e25058f182ee1f94a4a4)

Closes #36 @ github
etc/zsh/zshrc