Ignore *.bkm files.
diff --git a/Doc/.cvsignore b/Doc/.cvsignore
index 4499202..91d0a29 100755
--- a/Doc/.cvsignore
+++ b/Doc/.cvsignore
@@ -10,6 +10,7 @@
 *.ilg
 *.pdf
 *.out
+*.bkm
 *.tar.gz
 api
 ext