Use ExcludeAll to set the exclusion state on for all lines in the session. (See Exclusion Facility.)
ExcludeAll may also be entered as ExcludeA[ll] or ExclA[ll].
ExcludeAll has no operands.
ExcludeAll increments the exclude level before excluding any lines.
Return Codes
OK Successful.
Examples
Exclude all lines:
=> excla