private:
// Identifying files in a way that persists from preamble build to subsequent
// builds is surprisingly hard. FileID is unavailable in InclusionDirective(),
- // and RealPathName and UniqueID are not preseved in the preamble.
+ // and RealPathName and UniqueID are not preserved in the preamble.
// We use the FileEntry::Name, which is stable, interned into a "file index".
// The paths we want to expose are the RealPathName, so store those too.
std::vector<std::string> RealPathNames; // In file index order.