Function tx_new_unknown 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn tx_new_unknown(
    doc: *mut TxDocument,
    text: *const c_char,
) -> TxNodeId

Creates a new “unknown” node.

Safety

• doc must be a valid, non-null pointer to a TxDocument.
• text must be a valid, non-null pointer to a null-terminated UTF-8 string.