tokuhirom/plenv — pull request #56 by dochang (2013-10-19 10:57:13+00:00)
Title: Fix `plenv()` function in ksh and dash.

dash doesn't support `typeset`. Use `local` instead.

This commit is inspired by sstephenson/rbenv@5ae2cac088d12fea01054e1f3abbf304b92920b5 .