diff --git a/Doc/.cvsignore b/Doc/.cvsignore
index d749f429849..acf2f7164cc 100755
--- a/Doc/.cvsignore
+++ b/Doc/.cvsignore
@@ -8,3 +8,7 @@ lib.texi
 *.ps
 *.idx
 *.ilg
+api
+ext
+lib
+tut