This property defines the Word Joiner Unicodes which should not be used as line break opportunities
Characters like ,, etc. are listed under Word Joiner Line Break.
2 Characters are present in Word Joiner Line Break starting with the Unicode point U+2060 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.