diff --git a/lib/ChangeLog b/lib/ChangeLog
index 8638a0e239..4ec48e5ed9 100644
--- a/lib/ChangeLog
+++ b/lib/ChangeLog
@@ -1,3 +1,8 @@
+2006-12-27  Jean-Marc Lasgouttes  <lasgouttes@lyx.org>
+
+	* syntax.default: add macros \Sexpr and \SweaveOpts for the
+	benefit of Sweave.
+
 2006-12-27  Jean-Marc Lasgouttes  <lasgouttes@lyx.org>
 
 	* Makefile.am (dist_examples_DATA): 
diff --git a/lib/syntax.default b/lib/syntax.default
index 228228e26a..6b8e5cf333 100644
--- a/lib/syntax.default
+++ b/lib/syntax.default
@@ -725,3 +725,8 @@ xxalignat
 % These are not known by LyX but work nevertheless:
 empheq
 \end{mathenvironments}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Sweave stuff
+\Sexpr{}
+\SweaveOpts{}
diff --git a/status.14x b/status.14x
index 6b4a32ddfd..979ecf6c0d 100644
--- a/status.14x
+++ b/status.14x
@@ -87,6 +87,8 @@ What's new
 
 - Import \l{} and \L{} natively from .tex files (do not create ERT).
 
+- Import correctly Sweave macros from .tex files.
+
 * User Interface:
 
 - Fix slowness with lots of math on Windows (bug 2900).