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Rule "missing period after last letter in abbreviations"

This is one of many errors that LanguageTool can detect.

Description: missing period after last letter in abbreviations
Message: The abbreviation/initialism is missing a period after the last letter.
Category: Punctuation (ID: PUNCTUATION)
Link: https://languagetool.org/insights/post/style-acronym-vs-abbreviation/#what-is-an-abbreviation
Incorrect sentences
that this rule can detect:
  • The C.I.A is investigating the case.
    Correction suggestion: C.I.A., CIA
ID: ABBREVIATION_PUNCTUATION [7]
Version: 6.6-SNAPSHOT (2024-12-09 22:33:08 +0100)