A clear example of this can be found in Walt Whitman 's poems, where he repeats certain phrases and uses commas to create both a rhythm and structure. Source: Internet
An extract from the letter: 'The phrase "I disapprove of what you say, but I will defend to the death your right to say it" which you have found in my book Voltaire in His Letters is my own expression and should not have been put in inverted commas. Source: Internet
A restrictive modifying phrase, by contrast, is not set off by commas, and uses the pronoun "that." Source: Internet
A similar system was devised by Carl Eitz and used in Barbour (1951) in which Pythagorean notes are started with and positive or negative superscript numbers are added indicating how many commas (81/80, syntonic comma) to adjust by. Source: Internet
All names can be subscripted (the name followed by parentheses, with multiple subscripts separated by commas). Source: Internet
British English is more tolerant of run-on sentences, called "comma splices" in American English, and American English requires that periods and commas be placed inside closing quotation marks even in cases in which British rules would place them outside. Source: Internet