Docs: note redefined macros for expansions

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 15d909be02188b140a33a1eb933268f8c046cc99..9d3813e5a17a4130f3a083868441825c09892f03 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -5103,6 +5103,10 @@ The following classes of macros are defined:
 &` _DRIVER_ROUTER_*           `&  router drivers
 &` _DRIVER_TRANSPORT_*        `&  transport drivers
 &` _DRIVER_AUTHENTICATOR_*    `&  authenticator drivers
+&` _EXP_COND_*                `&  expansion conditions
+&` _EXP_ITEM_*                `&  expansion items
+&` _EXP_OP_*                  `&  expansion operators
+&` _EXP_VAR_*                 `&  expansion variables
 &` _LOG_*                     `&  log_selector values
 &` _OPT_MAIN_*                `&  main config options
 &` _OPT_ROUTERS_*             `&  generic router options