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Rule "Missing period after an abbreviation"

This is one of many errors that LanguageTool can detect.

Description:	Missing period after an abbreviation
Message:	In American English, use a period after an abbreviation.
Category:	Punctuation (ID: PUNCTUATION)
Link:	https://www.quickanddirtytips.com/education/grammar/when-you-need-periods-after-abbreviations
Tags:	[picky]
Incorrect sentences that this rule can detect:	See me on Fri 27 at 10:00. Correction suggestion: Fri. See you next year in Jan! Correction suggestion: Jan.
Correct sentences for comparison:	See me on Fri. 27 at 10:00. Did you see Jan at the party? I saw Peter on Jan's birthday. It was created by Jan Luyken and his son. He lives in Mar del Plata.
ID:	MISSING_PERIOD_AFTER_ABBREVIATION [2]
Version:	6.7-SNAPSHOT (2025-09-14 22:33:10 +0200)

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