src/: Write `NULL' for a null pointer, rather than plain `0'.

[sod] / doc / SYMBOLS

diff --git a/doc/SYMBOLS b/doc/SYMBOLS
index 5ee51b3..bb6b944 100644 (file)
--- a/doc/SYMBOLS
+++ b/doc/SYMBOLS
@@ -326,6 +326,7 @@ codegen-impl.lisp
   temporary-variable                            class
 
 codegen-proto.lisp
+  *null-pointer*                                variable
   *sod-ap*                                      variable
   *sod-master-ap*                               variable
   block-inst                                    class