(Vector Data): For SCM_VECTOR_BASE, SCM_STRING_CHARS

[bpt/guile.git] / doc / ref / data-rep.texi

diff --git a/doc/ref/data-rep.texi b/doc/ref/data-rep.texi
index b7f9996..1a377ab 100644 (file)
--- a/doc/ref/data-rep.texi
+++ b/doc/ref/data-rep.texi
@@ -46,7 +46,7 @@
 @c essay @sp 10
 @c essay @comment The title is printed in a large font.
 @c essay @title Data Representation in Guile
-@c essay @subtitle $Id: data-rep.texi,v 1.11 2003-06-11 23:07:53 kryde Exp $
+@c essay @subtitle $Id: data-rep.texi,v 1.12 2003-06-13 23:32:33 kryde Exp $
 @c essay @subtitle For use with Guile @value{VERSION}
 @c essay @author Jim Blandy
 @c essay @author Free Software Foundation
@@ -875,6 +875,12 @@ if @var{x} is not a symbol or string, respectively.
 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
+@code{SCM_SYMBOL_CHARS} 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