syl20bnr/spacemacs — pull request #345 by avendael (2014-12-27 18:22:07+00:00)
Title: Add a feature to toggle transparency

This sets the initial `alpha` frame parameter so that transparency could
be toggled later on. The level of opacity can be configured from a
user's .spacemacs through the variables `spacemacs-active-transparency`
and `spacemacs-inactive-transparency`.