"--rev x" also matches against the short node number

[Jan Olsen]

Hi

When I make a "hg log --rev *x*", where *x* is a revision number, then I
would have expected to only give me the log from exactly that revision
number.
It does however seem to also match against the short node number. The
following all give the same result:

The-Big-Devil:test janpolsen$ *hg --version
> *Mercurial Distributed SCM (version 1.8.3+20110502)



> The-Big-Devil:test janpolsen$ *hg log*
> changeset:   0:72ab0071a9d7
> tag:         tip
> user:        janpolsen
> date:        Tue May 24 19:10:17 2011 +0200
> summary:     initial commit
>
> The-Big-Devil:test janpolsen$ *hg log -r0*
> changeset:   0:72ab0071a9d7
> tag:         tip
> user:        janpolsen
> date:        Tue May 24 19:10:17 2011 +0200
> summary:     initial commit
>
> The-Big-Devil:test janpolsen$ *hg log -r7*
> 'changeset:   0:72ab0071a9d7
> tag:         tip
> user:        janpolsen
> date:        Tue May 24 19:10:17 2011 +0200
> summary:     initial commit
>
> The-Big-Devil:test janpolsen$ *hg log -r72*
> changeset:   0:72ab0071a9d7
> tag:         tip
> user:        janpolsen
> date:        Tue May 24 19:10:17 2011 +0200
> summary:     initial commit
>
> The-Big-Devil:test janpolsen$ *hg log -r72ab0071a9d7*
> changeset:   0:72ab0071a9d7
> tag:         tip
> user:        janpolsen
> date:        Tue May 24 19:10:17 2011 +0200
> summary:     initial commit
>

If this behaviour is intentional, is there then a way where I can make sure
it's only the revision number I look at and not the short node number?

Best regards
Jan
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