the generally accepted style for Perl???
I think not! Sure, it's a meme that gets around. But it's sucky, and needs to be squashed by anyone and everyone who thinks about it consciously. Put simply, there is no reason to do it that way, and there are good reasons not to do it that way.
jdporter The 6th Rule of Perl Club is -- There is no Rule #6.
I indent all blocks, whether they be code, anonymous array/hash constructors, parameter (or other) lists, or anything else in the same way. Makes a lot of sense, if you ask me, when you're nesting calls: