Node:sub-recipient, Next:add-comment, Previous:add-recipient, Up:Protocol Requests
        sub-recipient [31] (( text-no   :   Text-No;
                              conf-no   :   Conf-No ))
                -> ( );
Removes conf-no from the list of recipients of text
text-no.  Recipients may be removed by the author of the text or
by the supervisor of the recipients of the text or by the supervisor of
the author.
Example:
        1 26 1
        =1 2 22 12 17 6 97 4 197 1 5 4 256 1
           3 { 1 5 6 1 9 34 34 17 17 6 97 4 197 1 }
        1 31 1 5
        =1
        1 26 1
        =1 2 22 12 17 6 97 4 197 1 5 4 256 1 0 *
        1 31 1 5
        %1 30 0
In this example, conference 5 is removed from the recipient list of text number 5. When the call is repeated, the server simply returns an error since conference 5 is not a recipient of the text.
login-first
no-such-text
text-no does not exist or is secret.
not-recipient
conf-no is not a recipient of text text-no.
undefined-conference
conf-no does not exist or is secret.
conference-zero
conf-no is zero.
permission-denied
conf-no and not enough privileges set and enabled.