- updated CConcXml::CFreeBiblStringIndex::m_Values (now m_ValuesE) to use new ddcStringEnum<> with mmap support
+ file format changed: newline-separated "*._bibl_NAME_strings" is now 2 files
~ "*._bibl_NAME_strings_values": NUL-separated values
~ "*._bibl_NAME_strings_idx" : start offsets in *._bibl_NAME_strings_values indexed by logical ID
+ compatibility hack: old "\n"-sparated "*._bibl_NAME_strings" files can still be read in slurp-mode, but produce a warning