"multi-line string literals" are very useful, because they enable you to create DSLs that are easy to use. As in the example, you can have HTML; or XML; or make

"multi-line string literals" are very useful, because they enable you to create DSLs that are easy to use. As in the example, you can have HTML; or XML; or make up any language you want. Of course, it doesn't help you implement it (you'll have to parse the string yourself); but it makes it usable. A downside is that it makes that code hard to understand for developers unfamiliar with the specific DSL.