Index - B
| background | Yi.Style |
| BackSlash | |
| 1 (Data Constructor) | Yi.Lexer.Abella |
| 2 (Data Constructor) | Yi.Lexer.Haskell |
| Backward | Yi.Buffer.Basic |
| baseAttributes | Yi.Style |
| before | Yi.Regex |
| Begin | Yi.Lexer.Latex |
| BitAnd' | Yi.Lexer.JavaScript |
| BitNot' | Yi.Lexer.JavaScript |
| BitOr' | Yi.Lexer.JavaScript |
| BitXor' | Yi.Lexer.JavaScript |
| black | Yi.Style |
| blankCompOpt | Yi.Regex |
| blankExecOpt | Yi.Regex |
| blockCommentStyle | Yi.Style |
| blue | Yi.Style |
| bold | Yi.Style |
| Break' | Yi.Lexer.JavaScript |
| brightwhite | Yi.Style |
| brown | Yi.Style |
| BufferRef | |
| 1 (Type/Class) | Yi.Buffer.Basic |
| 2 (Data Constructor) | Yi.Buffer.Basic |
| builtinStyle | Yi.Style |
| Byte | Yi.Lexer.Alex |