Update show.jl (#116)

Author: sl-solution

src/abstractdataset/show.jl

@@ -291,7 +291,7 @@ function _show(io::IO,
                  body_hlines                 = extrahlines,
                  compact_printing            = compact_printing,
                  crop                        = crop,
-                 crop_num_lines_at_beginning = 2,
+                 reserved_display_lines      = 2,
                  ellipsis_line_skip          = 3,
                  formatters                  = pt_formatter,
                  header                      = (names_str, names_format, types_str),