; Data: - Addr: - Float: - End the current definition. Class: class:macro | Namespace: global | Interface Layer: all choose Data: fqq- Addr: - Float: - Execute q1 if the flag is true (-1) or q2 if the flag is false (0). Only these flags are valid when using `choose`; passing other values as flags will result in memory corruption. Class: class:word | Namespace: global | Interface Layer: all sigil:& Data: s-a Addr: - Float: - Return a pointer to a named item. If name is not found, returns 0. Interpret Time: Lookup name in dictionary, return contents of the xt field on the stack. Compile Time: Lookup name in dictionary, compile code to push the contents of the xt field into the current definition. Class: class:macro | Namespace: sigil | Interface Layer: all sigil:( Data: s- Addr: - Float: - Process token as a comment. Interpret Time: Discard the string. Compile Time: Discard the string. Class: class:macro | Namespace: sigil | Interface Layer: all sigil:: Data: s- Addr: - Float: - Hook. Process token as a new definition. Interpret Time: Create a header pointing to `here` with the provided string as the name. Sets class to `class:word`. Class: class:macro | Namespace: sigil | Interface Layer: all