[MERGE] Correct incorrect wording in revisionspec help

[Matthew D. Fuller]

SSIA.  The information for how ranges in diff work is incorrect.

The whole paragraph is pretty muddy, IMO.  It confuses as much as it
explains, and it seems to implicitly put across the message that
differences are due to special cases, rather than the nature of the
questions being asked.  But that's a much broader question to
consider, than just fixing the obvious bug.

I would also propose this for 1.11.  It's tiny and obviously incorrect
(the fix may be wrong too, but at least we know it's wrong before  :)


-- 
Matthew Fuller     (MF4839)   |  fullermd at over-yonder.net
Systems/Network Administrator |  http://www.over-yonder.net/~fullermd/
           On the Internet, nobody can hear you scream.
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=== modified file 'bzrlib/help_topics/__init__.py'
--- bzrlib/help_topics/__init__.py	2008-12-15 04:33:37 +0000
+++ bzrlib/help_topics/__init__.py	2009-01-09 08:12:00 +0000
@@ -168,8 +168,8 @@
 addition, "log" considers a closed range whereas "diff" and "merge" consider it
 to be open-ended, that is, they include one end but not the other.  For example:
 "bzr log -r 3647..3649" shows the messages of revisions 3647, 3648 and 3649,
-while "bzr diff -r 3647..3649" includes the changes done in revisions 3647 and
-3648, but not 3649.
+while "bzr diff -r 3647..3649" includes the changes done in revisions 3648 and
+3649, but not 3647.
 
 The keywords used as revision selection methods are the following:
 """)