Library /sys$common/syshlp/dbg$help.hlb DEBUG, Messages, MASKPARNREQ  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 parenthesis required in 'EXAMINE/xMASK=(x)'

    Facility: DEBUG, VMS Debugger

    Explanation: Parentheses are required around the mask expression
    specified with the /TMASK or /FMASK qualifiers on the Examine
    command.

    User Action: Include parantheses when specifying a mask
    expression.