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1. Of little value or importance; paltry. See Synonyms at trivial.
2. Petty; small-minded: "It had seemed picayune to get all bent out of shape organizing the household chores" (Barbara Kingsolver).
1. A Spanish-American half-real piece formerly used in parts of the southern United States.
2. A five-cent piece.
3. Something of very little value; a trifle: not worth a picayune.

[Louisiana French picaillon, small coin, from French, from Provençal picaioun, from picaio, money, perhaps from Old Provençal piquar, to jingle, clink, from Vulgar Latin *piccāre, to pierce; see pique.]

pic′a·yun′ish adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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The chief problem with Reading Dante relates not so much to missing words (such as "fall love" for "fall in love" [15]), confusing phrases ("a proud arrogant kind sort of posture" [33]), the misspelling of names ("Eric Auerbach" [57]), or picayunish typographical errors (e.g., "there is more to see then [sic] you see" [101]), even though they are inexcusable coming from Yale University Press.
They were breaking new ground in authenticity (an early episode of "All in the Family'' found Archie's wife Edith facing menopause) while battling the network over things as picayunish as the sound of a toilet flushing off-screen.
Not to be picayunish, but I'm wondering about your layout rationale.