#compdef -k complete-word \C-x?

setopt localoptions nullglob rcexpandparam extendedglob
unsetopt markdirs globsubst shwordsplit nounset ksharrays

(( $+_debug_count )) || integer -g _debug_count
local tmp=${TMPPREFIX}${$}${words[1]}$[++_debug_count]
local w="${(qqq)words}"

[[ -t 2 ]] && exec 3>&2 2>| $tmp

setopt xtrace
_main_complete
integer ret=$?
unsetopt xtrace

[[ -t 2 ]] || {
    ## Calling "print -s" during completion is presently broken.
    # _message -r "Trace output left in $tmp (up-history to view)"
    # print -sR "${VISUAL:-${EDITOR:-${PAGER:-more}}} $tmp ;: $w"
    _message -r "Trace output left in $tmp"
    print -zR "${VISUAL:-${EDITOR:-${PAGER:-more}}} $tmp ;: $w"
    exec 2>&3 3>&-
}

return ret