[issue619] fast-forward merge

[Matt Mackall]

New submission from Matt Mackall <mpm at selenic.com>:

Can repeatedly fast-forward merge with another branch.

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assignedto: mpm
messages: 3442
nosy: mpm
priority: bug
status: in-progress
title: fast-forward merge

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Mercurial issue tracker <mercurial-bugs at selenic.com>
<http://www.selenic.com/mercurial/bts/issue619>
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