The synchronous %import host-loader callback result: the joined path (threaded back as the base for nested imports) and the grammar text. Return null to try the next source (the embedded stdlib still resolves natively).
%import
null
The synchronous
%importhost-loader callback result: the joined path (threaded back as the base for nested imports) and the grammar text. Returnnullto try the next source (the embedded stdlib still resolves natively).