[Issue 15415] documentation doesn't explictly specify that string literals are multi-line

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=15415

Basile-z <b2.temp at gmx.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|b2.temp at gmx.com             |

--