Fixes https://bugs.mojang.com/browse/MC-7569 by adding a newline between lines in output.

Examples

Without mod:

> help
.../give <targets> <item> [<count>]/help [<command>]/item (replace|modify)...

With mod:

> help
...
/give <targets> <item> [<count>]
/help [<command>]
/item (replace|modify)
...