dn with space space in olcRefintNothing

Hello,

When configuring refint on slapd 2.4.49 the following is accepted :

dn: olcOverlay={2}refint,olcDatabase={1}mdb,cn=config objectClass: olcOverlayConfig objectClass: olcRefintConfig olcOverlay: {2}refint olcRefintAttribute: seeAlso olcRefintNothing: cn=admin,dc=test

but olcRefintNothing: cn=admin space,dc=test

is rejected when I ldapadd the configuration with the message :

ldap_add: Constraint violation (19) additional info: <olcRefintNothing> extra cruft after <string>

I tried various quoting : cn="admin space",dc=test cn=admin\20space "cn=admin space"

Do I miss something ?

THX Sébastien