scrooloose/nerdtree — pull request #166 by kucaahbe (2012-05-23 15:17:19+00:00)
Title: ability to "lynx-like" motion

behavior: [only] on directory node right arrow() opens it, left arrow() closes without affecting child nodes state. Came from midnight commander's "Lynx-like motion" option.

P.S.
I'm not sure is this done right, maybe it make sense to add to README (or wiki) "howto" about extending nerdtree to have this functionality. So, what do you think?