* library/Library: Document.

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13381 85f007b7-540e-0410-9357-904b9bb8a0f7

1 files changed, 6 insertions, 0 deletions

diff --git a/library/library.ml b/library/library.ml
index 44aa05b54..22fecdf63 100644
--- a/library/library.ml
+++ b/library/library.ml
@@ -634,6 +634,12 @@ let save_library_to dir f =
   try
     System.marshal_out ch md;
     flush ch;
+    (* The table of opaque definitions must be loaded only at will
+       whereas the digest is loaded all the time. As a consequence,
+       the digest must be serialized before the table (if we want to
+       keep the current simple layout of .vo files). This also entails
+       that the digest does not take opaque terms into account
+       anymore. *)
     let di = Digest.file f' in
     System.marshal_out ch di;
     System.marshal_out ch table;