Library /sys$common/syshlp/lse$help.hlb ENTER_SPECIAL  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  Syntax:  ENTER SPECIAL ascii_code

  Causes LSE to enter the character specified by the ASCII code into
  the current buffer.

  The following example causes LSE to insert a form-feed character
  (Ctrl/L):

                LSE> ENTER SPECIAL 12

  RELATED COMMANDS:

     ENTER commands              QUOTE
     ERASE commands              SET BUFFER TEXT