This property defines the Unicodes which requires line break after it
Characters like ,, , etc. are listed under Mandatory Break Line Break.
4 Characters are present in Mandatory Break Line Break starting with the Unicode point U+000B that represents the character .
Currently, as per latest version 15.0.0, Unicode supports 43 number of Line Break. Here are a few examples - Alphabetic,Alphabetic or Ideograph,Break After, etc.