all supported commands. Some commands support a more complex syntax, generally
it will explain what part of the command is invalid when this happens.
+Some commands require a higher level of privilege to work. If you do not have
+enough privilege, you will get an error "Permission denied". Please check
+the "level" option of the "bind" keyword lines in the configuration manual
+for more information.
+
add acl <acl> <pattern>
Add an entry into the acl <acl>. <acl> is the #<id> or the <file> returned by
"show acl". This command does not verify if the entry already exists. This