commit ebeff0dd97201c1aaf1ad09a2a7eb80c741454ae
Author: Alex Rousskov <rousskov@measurement-factory.com>
Date:   2017-10-27 08:57:00 -0600

    Document lack of slow ACL support in more squid.conf directives. (#76)
    
    TODO: Documentation and API restrictions on slow ACL checks ought to be
    generated via a (required) declaration like "ACL_SPEED: slow|fast".

diff --git a/src/cf.data.pre b/src/cf.data.pre
index 0bdc1c1..af20ed8 100644
--- a/src/cf.data.pre
+++ b/src/cf.data.pre
@@ -2200,6 +2200,8 @@ DOC_START
 	been redefined for use by ECN (RFC 3168 section 23.1).
 	The squid parser will enforce this by masking away the ECN bits.
 
+	This clause only supports fast acl types.
+	See http://wiki.squid-cache.org/SquidFaq/SquidAcl for details.
 DOC_END
 
 NAME: tcp_outgoing_mark
@@ -2245,6 +2247,9 @@ DOC_START
 
 	Note: This feature is incompatible with qos_flows. Any mark values set here
 	will be overwritten by mark values in qos_flows.
+
+	This clause only supports fast acl types.
+	See http://wiki.squid-cache.org/SquidFaq/SquidAcl for details.
 DOC_END
 
 NAME: qos_flows
@@ -2367,6 +2372,8 @@ DOC_START
 	When needing to contact peers use the no-tproxy cache_peer option and the
 	client_dst_passthru directive re-enable normal forwarding such as this.
 
+	This clause only supports fast acl types.
+	See http://wiki.squid-cache.org/SquidFaq/SquidAcl for details.
 DOC_END
 
 NAME: host_verify_strict