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Rule "Missing comma before 'and, or, nor, yet, so, but' (incomplete)"

This is one of many errors that LanguageTool can detect.

Description:	Missing comma before 'and, or, nor, yet, so, but' (incomplete)
	By default, this rule is not active in LanguageTool
Message:	If the conjunctions 'and', '(n)or, 'so', 'but', or 'yet' separate two independent clauses, a comma must precede them.
Category:	Punctuation (ID: PUNCTUATION)
Link:	https://languagetool.org/insights/post/types-of-sentences/#compound-sentence
Incorrect sentences that this rule can detect:	She loves playing the piano and I hate it. Correction suggestion: piano, and My name is Timothy but my friends call me Tim. Correction suggestion: Timothy, but I am really nice yet many people do not like me. Correction suggestion: nice, yet
Correct sentences for comparison:	Me and my friends went to Italy last year, but my fiancee and her friends decided to go to France. He had met his uncle and his aunt, before he flew to Germany. They often argue whether it was his or her idea. Following their unsuccessful participation in the League of Peace and Freedom, Russian revolutionary Mikhail Bakunin and his collectivist anarchist associates joined the First International. After they had finished their homework, Peter and his friends played soccer.
ID:	COMMA_BEFORE_AND [1]
Version:	6.8-SNAPSHOT (2025-10-27 22:33:07 +0100)

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