mercurial/help/internals/revlogs.txt

--- a/mercurial/help/internals/revlogs.txt	Tue Jan 10 16:15:21 2017 +0000
+++ b/mercurial/help/internals/revlogs.txt	Thu Jan 05 17:16:51 2017 +0000
@@ -90,6 +90,7 @@
 6-7 (2 bytes)
    Bit flags impacting revision behavior. The following bit offsets define:
    0: REVIDX_ISCENSORED revision has censor metadata, must be verified.
+   1: REVIDX_EXTSTORED revision data is stored externally.
 8-11 (4 bytes)
    Compressed length of revision data / chunk as stored in revlog.
 12-15 (4 bytes)