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Rule "Non-standard comma"

This is one of many errors that LanguageTool can detect.

Description: Non-standard comma
Message: The character '，' is not a standard comma, although it can look like a comma. Use <suggestion>\1</suggestion>.
Category: Typography (ID: TYPOGRAPHY)
Tags: [picky]
Incorrect sentences
that this rule can detect:
  • Be careful，this is not a standard comma.
    Correction suggestion: careful, this
  • You can use 10，or more if necessary.
    Correction suggestion: 10, or
  • Use one of these Part Numbers: ABC123，XYZ10.
    Correction suggestion: ABC123, XYZ10
Correct sentences
for comparison:
  • But, this is a standard comma and a space.
  • China, therefore will...
  • You can use 10， or more if necessary.
  • Do not find an isolated ， like this.
  • Do not suggest a space， because there is a space after the character.
  • The character '，' is not a standard comma.
ID: NON_STANDARD_COMMA [1]
Version: 6.8-SNAPSHOT (2025-10-26 22:33:08 +0100)