Index: 07_devmap.html
===================================================================
--- 07_devmap.html	(revision 766)
+++ 07_devmap.html	(revision 767)
@@ -51,8 +51,11 @@
 <h2> 7.1. Slot prefixing </h2>
 
 <p>{des7:5}
-<code>std_devmap</code> registers for the <a href="02_data.html#des2:77">terminal_name_to_port_name
-translation</a>.
+<code>std_devmap</code> registers for:
+<ul>
+	<li> the symbol_joined_component hook (for updating attribute from the devmap if the devmap attribute is present)
+	<li> the <a href="02_data.html#des2:77">terminal_name_to_port_name translation hook</a> (for setting port names according to devmap)
+</ul>
 
 <p>{des7:6}
 If the "<code>slot</code>" attribute presents in a symbol, and the terminal does
Index: 10_appendix.html
===================================================================
--- 10_appendix.html	(revision 766)
+++ 10_appendix.html	(revision 767)
@@ -18,3 +18,12 @@
 <p>
 Example: std_devmap uses this hook to calculate a port name that matches
 the physical package, including slotting.
+
+<H3> 10.1.2. symbol_joins_component(symbol, component) </h3>
+<p>{des10:2}
+Called when a symbol is merged into a component, whether the component
+is newly created or already existed. The call is made after each
+symbol-to-component join, after the attributes of the symbol got merged
+into the component (whether this merge changed any component attribute
+or not).
+