[libsoup] belatedly document the SOUP_MESSAGE_CONTENT_DECODED flag

[Dan Winship <danw src gnome org>]

commit 1899e0dba0d911e9a2e4538d8aa83d87302d7eec
Author: Dan Winship <danw gnome org>
Date:   Sun Feb 21 10:02:21 2010 -0500

    belatedly document the SOUP_MESSAGE_CONTENT_DECODED flag

 libsoup/soup-message.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/libsoup/soup-message.c b/libsoup/soup-message.c
index 5a0035f..ded0198 100644
--- a/libsoup/soup-message.c
+++ b/libsoup/soup-message.c
@@ -1279,6 +1279,10 @@ soup_message_cleanup_response (SoupMessage *req)
  * @SOUP_MESSAGE_OVERWRITE_CHUNKS: Deprecated: equivalent to calling
  * soup_message_body_set_accumulate() on the incoming message body
  * (ie, %response_body for a client-side request), passing %FALSE.
+ * @SOUP_MESSAGE_CONTENT_DECODED: Set by #SoupContentDecoder to
+ * indicate that it has removed the Content-Encoding on a message (and
+ * so headers such as Content-Length may no longer accurately describe
+ * the body).
  *
  * Various flags that can be set on a #SoupMessage to alter its
  * behavior.