cdm/src/main/java/ucar/util/prefs/XMLStore.java
static public XMLStore createFromInputStream(InputStream is1, InputStream is2, XMLStore storedDefaults) throws java.io.IOException {
    if (debugWhichStore) System.out.println("XMLStore read from input stream "+is1);
    return new XMLStore( is1, is2, storedDefaults);
  }
static public XMLStore createFromInputStream(InputStream is1, InputStream is2, XMLStore storedDefaults) throws java.io.IOException {
    if (debugWhichStore) System.out.println("XMLStore read from input stream "+is1);
    return new XMLStore( is1, is2, storedDefaults);
  }
Create an XMLStore reading from an input stream. Because of some peculiariteis, you must open the
input stream wtice, and pass both in.

@param is1 the first copy of the input stream.
@param is2 the second copy of the input stream.
@param storedDefaults This contains the "stored defaults", or null if none.
@return new XMLStore object
@throws java.io.IOException on error