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1 files changed, 9 insertions, 2 deletions
diff --git a/doc/spec/proposals/140-consensus-diffs.txt b/doc/spec/proposals/140-consensus-diffs.txt
index da63bfe23c..8bc4070bfe 100644
--- a/doc/spec/proposals/140-consensus-diffs.txt
+++ b/doc/spec/proposals/140-consensus-diffs.txt
@@ -1,12 +1,15 @@
Filename: 140-consensus-diffs.txt
Title: Provide diffs between consensuses
-Version: $Revision$
-Last-Modified: $Date$
Author: Peter Palfrader
Created: 13-Jun-2008
Status: Accepted
Target: 0.2.2.x
+0. History
+
+ 22-May-2009: Restricted the ed format even more strictly for ease of
+ implementation. -nickm
+
1. Overview.
Tor clients and servers need a list of which relays are on the
@@ -135,6 +138,10 @@ Target: 0.2.2.x
Note that line numbers always apply to the file after all previous
commands have already been applied.
+ The commands MUST apply to the file from back to front, such that
+ lines are only ever referred to by their position in the original
+ file.
+
The "current line" is either the first line of the file, if this is
the first command, the last line of a block we added in an append or
change command, or the line immediate following a set of lines we just