Config Format Dreamz

You open up a config file in your favorite editor and as you review the contents, you ponder upon whether the way the config settings are stored are in the most optimal way for you to store the settings.

You think for a while about the possible options you have for storing configuration settings in a file.

You decide that broadly speaking the first big question is whether whitespace does not matter (mostly) like json and xml or where whitespace is critical like yaml.

You decide that caring about whitespace is?