APPEND_LINE
     Appends the current line to the end of the previous line.  You can use
     APPEND_LINE to delete line terminators.
  Syntax
     APPEND_LINE
  Parameters
     none
  Example
     The following procedure deletes the character preceding the cursor; if
     you are at the beginning of a line, the current line is appended to the
     previous line:
     PROCEDURE user_delete_char
        IF CURRENT_COLUMN = 1
           THEN
              APPEND_LINE;
           ELSE
              ERASE_CHARACTER (-1);
        ENDIF;
     ENDPROCEDURE;
  Related Topics
     SPLIT_LINE    MOVE_TEXT