/sys$common/syshlp/helplib.hlb UIL, Compile Time Errors, UNKNOWN_SEQ  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  ERROR:  The compiler detected a sequence of printable characters  it
  did not understand.  The compiler omitted the sequence of characters
  listed between the quotation marks (" ").

  USER ACTION:  Fix the UIL module source.