- Implementation from https://github.com/sorin-ionescu/prezto/pull/1001 - Documentation from https://github.com/sorin-ionescu/prezto/pull/1178
Currently, node-info shows nothing if $version is different than 'none'.
This is done to make it easier to not show node-info in themes when no node version is currently in use. This is consistent with how the Python module's python-info works. Signed-off-by: Sorin Ionescu <sorin.ionescu@gmail.com>