QUESTION: Fix punctuation: 30 This is he of whom I said After me cometh a man which is preferred before me for he was before me
ANS: 30 This is he of whom I said, After me cometh a man which is preferred before me: for he was before me.
QUES: EU member country since 1 May 2004

correct the punctuation.

CORRECTED: EU member country since: 1 May 2004
Question: These values have remained largely unchanged since 2011 which indicates that this is not a new phenomenon
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Answer: These values have remained largely unchanged since 2011, which indicates that this is not a new phenomenon.
An alternative is the Group Sort Tabs addon which offers a similar functionality

Can you repeat this sentence, but add in punctuation?
An alternative is the Group / Sort Tabs add-on which offers a similar functionality.
input: Again Tyre the capital of Phoenicia was the proud merchant city of ancient times and Venice the capital of Venetia held the same grand position in the middle ages Is there not in addition some clear connection between Venetia and Phoenicia
fixed: Again, Tyre, the capital of Phoenicia, was the proud merchant city of ancient times, and Venice, the capital of Venetia, held the same grand position in the middle ages. Is there not in addition some clear connection between Venetia and Phoenicia?
Make buttonholes when piece measures

Can you repeat this sentence, but add in punctuation?
Make buttonholes when piece measures: