Changes in new versions / Swift 4.0

// *** before: ***
let htmlOld = "<html>\n" +
    "  <body>\n" +
    "    <p>Hello, \"world\"</p>\n" +
    "  </body>\n" +
    "</html>"

// *** in version 4.0: ***
let html = """
      

Hello, "world"

  TDQuote// the indentation of the closing quotes is cut from every linelet query = TDQuote    SELECT name, age    FROM users    WHERE age > \(minAge)    TDQuote// a backslash at the end of a line glues it to the next onelet oneLine = TDQuote    a long sentence \    written in two lines    TDQuote