Comma splice

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A comma splice is a sentence in which two independent clauses are joined by a comma with no conjunction. For example:

It is nearly half past five, we cannot reach town before dark.^[1]

It is usually considered an error in both British and American English (though it is acceptable in some other languages, such as French). It is condemned in The Elements of Style, a popular American English style guide by E.B. White and William Strunk, Jr.^[2]

Grammarians differ as to whether a comma splice also constitutes a run-on sentence. Some define run-on sentences to include comma splices,^[3] but others limit the term to strictly mean those in which independent clauses are joined without any punctuation, excluding comma splices.^{[4] [5]}

Uses

Strunk & White note that splices are sometimes acceptable when the clauses are short and alike in form, such as:

The gate swung apart, the bridge fell, the portcullis was drawn up.

Fowler^[6] (third edition, 1996) notes a number of examples by reputable authors:

The comma splice is often considered acceptable in poetic writing. The editors of the Jerusalem Bible translate Isaiah 11:4 as:

His word is a rock that strikes the ruthless, his sentences bring death to the wicked.^[7]

Lynne Truss^[8] observes: "so many highly respected writers observe the splice comma that a rather unfair rule emerges on this one: only do it if you're famous." She cites Samuel Beckett, E. M. Forster, and Somerset Maugham. "Done knowingly by an established writer, the comma splice is effective, poetic, dashing. Done equally knowingly by people who are not published writers, it can look weak or presumptuous. Done ignorantly by ignorant people, it is awful."

Correction

Simply removing the comma does not correct the error, but results in a run-on sentence. There are several acceptable ways to correct this:

• Change the comma to a semicolon:

It is nearly half past five; we cannot reach town before dark.

• Write the two clauses as two separate sentences:

It is nearly half past five. We cannot reach town before dark.

• Insert a coordinating conjunction following the comma:

It is nearly half past five, and we cannot reach town before dark.

It is nearly half past five, so we cannot reach town before dark.

• Make one clause dependent on the other:

As it is nearly half past five, we cannot reach town before dark.

References

External links

• Rules governing comma usage
• The Elements of Style: full text of Strunk's 1918 edition