This property defines the Unicodes which belongs to Shorthand Format Controls block
Characters like ,,, etc. are listed under Shorthand Format Controls Block.
5 Characters are present in Shorthand Format Controls Block starting with the Unicode point U+1BCA0 that represents the character .
Currently, as per latest version 15.0.0, Unicode supports 328 number of Block. Here are a few examples - Latin Extended E,Adlam,Aegean Numbers, etc.