case $THIS_SUB_DEPENDS in
  FC) list_find "$LIBXFONT_OPTS"  "--enable-fc"  && return 0;;
  BUILTIN_FONTS)
     if list_find "$LIBXFONT_OPTS"  "--enable-builtins"  \
                  "--enable-pcfformat" "--enable-bdfformat"  \
                  "--enable-snfformat"
     then
       return 0;
     fi
     ;;
   *) message "${PROBLEM_COLOR}bogus sub_depends: $SPELL $THIS_SUB_DEPENDS${DEFAULT_COLOR}" ;
   return 1;;
esac &&
return 1

.