[FIX]:Fix a predicate function doc
bzr revid: aja@tinyerp.com-20120807065455-hn71rrs0yoav0zi5
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@ -11,7 +11,7 @@ def valid_page_in_book(arch):
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def valid_field_in_graph(arch):
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"""A `field` node must be below a `graph` node."""
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"""A `graph` must have `string` attribute and an immediate node of `graph` view must be `field`."""
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if arch.xpath('//graph[not (@string)]'):
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return False
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for child in arch.xpath('/graph/child::*'):
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@ -21,7 +21,7 @@ def valid_field_in_graph(arch):
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def valid_field_in_tree(arch):
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"""A `field` and `button` node must be below a `tree` node. And tree must have `string` attribute."""
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"""A `tree` must have `string` attribute and an immediate node of `tree` view must be `field` or `button`."""
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if arch.xpath('//tree[not (@string)]'):
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return False
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for child in arch.xpath('/tree/child::*'):
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