I mentioned the '+' support in the following sections of the 10.1 branch of the DS Administration Guide: 6.2.6. Viewing Roles for an Entry through the Command Line 6.2.8. Viewing the Activation Status for Entries 10.3.1. ldapsearch Command-Line Format 10.5.7. Searching for Operational Attributes 10.5.6. Displaying Subsets of Attributes Additionally I mentioned it in the 10.1 branch of the Configuration, Command, and File Reference guide: Chapter 6. Operational Attributes and Object Classes (in the introduction text)
Preview Admin Guide: http://ccs-jenkins.gsslab.brq.redhat.com:8080/job/doc-Red_Hat_Directory_Server-Administration_Guide-branch-10.1/lastSuccessfulBuild/artifact/tmp/en-US/html-single/index.html Preview Configuration, Command, and File Reference guide: http://ccs-jenkins.gsslab.brq.redhat.com:8080/job/doc-Red_Hat_Directory_Server-Configuration_Command_and_File_Reference-branch-10.1/lastSuccessfulBuild/artifact/tmp/en-US/html-single/index.html#Operational_Attributes_Special_Attributes_and_Special_Object_Classes
The update is now available on the Customer Portal.