Arabic Presentation Forms-B
Arabic Presentation Forms-B is a Unicode block encoding spacing forms of Arabic diacritics, and contextual letter forms. The special codepoint, ZWNBSP is also here, which is used as a Byte Order Mark.
The presentation forms are present only for compatibility with older standards, and are not currently needed for coding text.Block
History
The following Unicode-related documents record the purpose and process of defining specific characters in the Arabic Presentation Forms-B block:
