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Merge bzr.dev

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bzrlib/help.py
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        outfile = sys.stdout
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    indices = HelpIndices()
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    topics = indices.search(topic)
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    shadowed_terms = []
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    for index, topic in topics[1:]:
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        shadowed_terms.append('%s%s' % (index.prefix, topic.get_help_topic()))
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    outfile.write(topics[0][1].get_help_text(shadowed_terms))
 
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    alias = _mod_commands.get_alias(topic)
 
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    try:
 
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        topics = indices.search(topic)
 
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        shadowed_terms = []
 
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        for index, topic in topics[1:]:
 
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            shadowed_terms.append('%s%s' % (index.prefix,
 
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                topic.get_help_topic()))
 
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        outfile.write(topics[0][1].get_help_text(shadowed_terms))
 
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    except errors.NoHelpTopic:
 
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        if alias is None:
 
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            raise
 
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    if alias is not None:
 
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        outfile.write("'bzr %s' is an alias for 'bzr %s'.\n" % (topic,
 
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            " ".join(alias)))
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def help_commands(outfile=None):