Quotes are very important characters in CL procedures. In discussing this topic, it helps to first define the terms single quote, double quote, and apostrophe.
Single quote is the character ‘ when used to enclose a word or group of words such as ‘this is a phrase.’
Double quote is the character “when used to enclose a word or group of words such as “this is what he said.” Note that the double quote is one character (not two characters). Two single quotes in succession are, of course, two characters. The results do look the same, but to the computer the characters are represented differently.
Apostrophe is the character ’ when used to indicate the omission of one or more letters such as in the word ma’am. In this case, the ...