Library /sys$common/syshlp/basichelp.hlb Compile time errors, TEXLINMSG  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  INFORMATION - An input line contains more than 255 characters.   BASIC
  saves  the first 255 input characters into the line buffer and ignores
  the rest of the input.  Supply no more than 255 characters  per  input
  line to avoid truncation of input.