public TextCacheFile(IIndexDocument doc, IndexTextCacheDataSource parent)
{
// create when enumerating
Name = doc.Name;
this.parent = parent;
this.doc = doc.GetEnumerator();
}
int np = 0; // numer of pages processed
public TextCacheFile(string fname, IndexTextCacheDataSource parent)
{
// create when using direct access by parent[]
Name = fname;
this.parent = parent;
}
