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Rule "Warn when the serial comma is not used"

This is one of many errors that LanguageTool can detect.

Description: Warn when the serial comma is not used
Message: The serial comma (Oxford comma, Harvard comma) is missing.
Category: Style (ID: STYLE)
Link: https://languagetool.org/insights/post/oxford-comma/
Tags: [picky]
Incorrect sentences
that this rule can detect:
  • It's wireless, portable and rechargeable, up to 3 hours.
    Correction suggestion: , and
  • For other people, however, trusts are unnecessary, complicated and expensive.
    Correction suggestion: , and
  • If the products are expensive, large or fragile, it refers to safety issues.
    Correction suggestion: , or
Correct sentences
for comparison:
  • They quarreled as to which was easier, French or German.
  • The children of such marriages were Choctaw, first and foremost.
ID: SERIAL_COMMA_ON [6]
Version: 6.6-SNAPSHOT (2025-01-09 22:33:10 +0100)