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So let us have a look at the other formats. As previously mentioned,
one of the more popular formats today appears to be YAML. YAML isn't
really a configuration file format as such, it's a serialization
format. It's just better than the more riddiculous alternatives like
say XML. It's well documented which is an important feature and
reading it, unlike XML, doesn't require a whole lot of brain power
for either a human or a machine. A problem with YAML is the
whitespace and tab sensitivity. Some will of course not call this a
problem. After all, python is constructed on the very same principle,
but this isn't python. This is perl. Chances are that if a python-ish
structure had been more appropriate for your brain, you would already
be using python and not reading the documentation for this module.

But more importantly, this sensitivity is also a problem for people
who are not familiar with the format. When I work on a Catalyst
project, I seldom work alone. I work with graphic designers, I work
with administrators, I work with a lot of people who is not likely to
ever have encountered YAML before. Now, YAML *is* easy to read, but
unfortunately it's not always easy to write. And sometimes, these
people who I am working with needs to make a change to the settings