Fitnesse: the results for |check not| for BLANK is confusing me

It is too confusing that the Fitnesse highlight expected [BLANK] in second case. The right exporting folder check execute cmd /c dir /B “C:\ExportEmpty” BLANK check not execute cmd /c dir /B “c:\ExportNotEmpty” [2d1313b9-cfb8-4405-8e5f-91f34b5a1e08 ] expected [BLANK] The best way is to say NOT EXPECTED [BLANK] the script for the page: |check|execute|cmd /c dir /B