updated for version 7.0073
diff --git a/runtime/doc/if_mzsch.txt b/runtime/doc/if_mzsch.txt
index bb82c17..0580891 100644
--- a/runtime/doc/if_mzsch.txt
+++ b/runtime/doc/if_mzsch.txt
@@ -1,4 +1,4 @@
-*if_mzsch.txt* For Vim version 7.0aa. Last change: 2005 Jan 23
+*if_mzsch.txt* For Vim version 7.0aa. Last change: 2005 May 08
VIM REFERENCE MANUAL by Sergey Khorev
@@ -110,6 +110,9 @@
<
The global namespace just instantiated this module with the prefix "vimext:".
+ *mzscheme-sandbox*
+When executed in the |sandbox|, access to some filesystem and Vim interface
+procedures is restricted.
==============================================================================
2. Examples *mzscheme-examples*