if ("$PATH" !~ "*:/usr/bin/mh") then
  if (-e ~/Mail/context) then
      setenv PATH "${PATH}:/usr/bin/mh"
  else if (-r ~/.config/debathena/nmh-in-path) then
    # csh is dumb about short-circuiting
    if (yes == `cat ~/.config/debathena/nmh-in-path`) then
      setenv PATH "${PATH}:/usr/bin/mh"
    endif
  endif
endif