Style is always more than formatting.
Look at 'Code Complete', a weighty tome all about formatting that covers a lot more ground than just where to put braces and the merits of tabs over spaces.
Beyond that look at something like the 'Chicago Style Manual for Writers'. It also deals with style and is more than just formatting. It addresses passive sentences vs. active sentences, word order, proper grammar, etc.
The array slices the unnamed programmer was using are bad Perl grammar, as egregious as "That's something I ain't puttin' up with" in the English language. Let's all say it together: 'Style is NOT formatting.'
Ok, I'll relinquish the soap box now.
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