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I just played around with supertab plugin, but I didn't find anything particular. I feel basically the vim built-in 'complete' feature can do the same thing with <c-n> and <c-p>. Why supertab gained so much stars? I guess there must be something I wasn't ware of...

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closed as not constructive by Heptite, 8088, Simon Sheehan, Dave, romainl Dec 26 '12 at 8:22

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance.If this question can be reworded to fit the rules in the help center, please edit the question.

Like all Vim plugins, Supertab has a description of what it does on its page and/or documentation. If you had taken the time to read either of those you would have answered your question. Hint, it does a lot more than <C-n>/<C-p>. – romainl Dec 26 '12 at 13:52
I'm deleting this superfluous question. – solotim Dec 27 '12 at 6:25
up vote 3 down vote accepted

Supertab indeed uses the same built-in insert-mode completion as <C-n> / <C-p> (or variations thereof like omnicompletion, depending on the configuration). It's just that many users find the overloaded behavior of the Tab key (complete vs. inserting a Tab character) useful, probably because this is a common function in many IDEs and other editors.

If you already have the <C-n> completion ingrained in your finger memory, there's little to be gained from Supertab.

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