Rexx Programming/How to Rexx/quotation mark

In rexx, strings can be quoted using either singlequotes or doublequotes. Quotation Marks Within a Literal String In order to use literal singlequote characters within a string, the string can be enclosed using doublequotes: say "Here's how we use an apostrophe within a string" In order to use literal doublequote characters within a string, the string can be enclosed using singlequotes: say 'Here we are using "doublequotes" within a string' Back To Back Quotation Marks It is possible to use backtoback quotation marks to represent a single quotation mark within the string: say 'Here''s back to back' /* Note the back to back quotation mark for an apostrophe */