PSA: A slight tweak to "concat"

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Jul 6, 2019, 7:57:45 AM7/6/19
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There's activity on a ticket in Jira to fix a quirk of "concat" that dates back to a commit by chouser in 2009!  

It's subtle because the title of CLJ-2523 is "lazy-cat can cause StackOverflowError with more than 2 arguments", which describes a symptom observed downstream.  The ticket's patch fixes concat.

Looking forward to Clojure 11!

Chouser

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Jul 8, 2019, 9:51:58 AM7/8/19
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I see I introduced the bug while adding support for chunked seqs to
concat. I'm grateful someone has found and fixed my mistake. Thanks,
Alex!

—Chouser
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