comma

We have to insert its thin edge at a comma, or else keep still.

Both a comma and a colon were used and have been retained in this e-book.

Only the first word should be capitalized and a comma is placed at the end.

The older form of writing an address was to end each line with a comma.

A restrictive clause is not separated by a comma from the noun.

Without a comma before or after only, the meaning of this sentence is doubtful.

A long subject is often separated from the predicate by a comma.

A comma must not be placed before and when it connects two words only.

A comma must not be placed before that except when it is equivalent to in order that.

The comma might indicate that additional information is missing from the footnote.