--- data-rep.texi.~1.11.~	2003-06-12 09:07:53.000000000 +1000
+++ data-rep.texi	2003-06-12 11:26:01.000000000 +1000
@@ -875,6 +875,12 @@
 There are also a few magic values stuffed into memory before a symbol's
 characters, but you don't want to know about those.  What cruft!
 
+Note that @code{SCM_VECTOR_BASE}, @code{SCM_STRING_CHARS} and
address@hidden return pointers to data within the respective
+object.  Care must be taken that the object is not garbage collected
+while that data is still being accessed.  This is the same as for a
+smob, @xref{Remembering During Operations}.
+
 
 @node Procedures
 @subsubsection Procedures