Arabic Presentation Forms-B
The Unicode block Arabic Presentation Forms- B (English Arabic Presentation Forms -B, U FE70 to U FEFF ) contains all the letters and vowels of the Arabic alphabet in isolated, initial, medial and final form. The intended use of these characters is not recommended by the Unicode Consortium, instead the font do use the correct character automatically. In this block, the byte order mark (BOM ) is included. Another three Arabic - blocks are Arabic, Arabic, Arabic Presentation Forms- complement and A.
Table
The emerging at the end of this block code point U FEFF is used when transmitting data as a byte order mark. This string is also used as a " broad -free, nichttrennbares spaces " (ZERO WIDTH NO- BREAK SPACE). It belongs to the general category of formatting characters, with the bi-directional class -neutral limit. Thus, it belongs not to the content of the Arabic presentation forms.
All other characters have the general category of "other letter" and the Bidirectional class " Arabic letter".