Serial comma toast. Adding a serial comma removes this ambiguity. Writers who normally avoid the serial comma often use one in these circumstances, although sometimes re-ordering the elements of such a list can help as well. In some circumstances using the serial comma can create ambiguity. If the book dedication above is changed to the serial comma after "Ayn Rand" creates ambiguity about the writer's mother because it uses punctuation identical to that used for an appositive phrase, leaving it unclear whether this is a list of three entities (1, my mother; 2, Ayn Rand; and 3, God) or of only two
Comma , , "dòuhào") in China. Since East Asian typography permits commas to join clauses dealing with certain topics or lines of thought, commas may separate subjects and predicates and constructions that would be considered a "comma splice" in English are acceptable and commonly encountered. Korean punctuation uses both commas and interpuncts for lists. In Unicode 5.2.0 "numbers with commas" ( through ) were added to the Enclosed Alphanumeric Supplement block for compatibility with the ARIB STD B24 character set. The comma in the Arabic script (used by Arabic, Urdu, and Persian, etc.) is inverted, upside-down: " (), in order to