filter
attr
hexdigits
escaped
value
"="
"~="
">="
"<="
filtertype
simple
{attr "=*"}
initial
{value Suppress:("*")}
any
final
substring
keystring
numericoid
oid
matchingrule
[":dn"]
[{Suppress:(":") matchingrule}]
extensible_attr
extensible_noattr
extensible
item
not
{filter}...
or
and
filtercomp
toplevel