0.7.13.pcl-class.1

[sbcl.git] / doc / beyond-ansi.sgml

diff --git a/doc/beyond-ansi.sgml b/doc/beyond-ansi.sgml
index 3ede78f..65e201e 100644 (file)
--- a/doc/beyond-ansi.sgml
+++ b/doc/beyond-ansi.sgml
@@ -116,6 +116,14 @@ GCed.</para> <!-- FIXME: Actually documenting these would be good.:-| -->
 whose instances can be used as Lisp streams (e.g. passed as the
 first argument to <function>format</>).</para>
 
+<para>&SBCL; supports a MetaObject Protocol which is intended to be
+compatible with &AMOP;; exceptions to this (as distinct from current
+bugs<!-- Such as the distinction between CL:FIND-CLASS and
+SB-PCL::FIND-CLASS :-( -->) are that
+<function>compute-effective-method</> only returns one value, not
+two<!-- FIXME: anything else? What about extensions? (e.g. COMPUTE-SLOTS
+behaviour) -->.</para>
+
 </sect2>
 
 <sect2><title>Support For Unix</>
@@ -131,6 +139,17 @@ is also supported.</para>
 
 </sect2>
 
+<sect2><title>Customization Hooks for Users</title>
+
+<para>The behaviour of <function>require</function> when called with only
+one argument is implementation-defined.  In &SBCL; it calls functions
+on the user-settable list <varname>sb-ext:*module-provider-functions*</varname>
+- see the <function>require</function> documentation string for details.
+
+<para>The toplevel repl prompt may be customized, and the function
+that reads user input may be replaced completely.  <!-- FIXME but I 
+don't currently remember how -->
+
 <sect2><title>Tools To Help Developers</title>
 
 <para>&SBCL; provides a profiler and other extensions to the &ANSI;