/rhino/xmlimplsrc/org/mozilla/javascript/xmlimpl/XMLCtor.java
if ( ! ( value instanceof Boolean ) ) { continue; }
} switch (i) { case Id_ignoreComments: case Id_ignoreProcessingInstructions: case Id_ignoreWhitespace: case Id_prettyPrinting: <extra_id_0> break; case Id_prettyIndent: if (!(value instanceof Number)) { continue; } break;