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tests: Import Graphviz tests.

Jose Fonseca authored on 13/02/2016 23:53:31
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+digraph structs {
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+node [shape=record];
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+    struct1 [shape=record,label="<f0> left|<f1> middle|<f2> right"];
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+    struct2 [shape=record,label="<f0> one|<f1> two"];
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+    struct3 [shape=record,label="hello\nworld\n\
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+and  | { Thats the reason | post-menopausal | estrogen } | is\n\
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+given together with another hormone called\n\
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+progestin: The combination lowers the risk of\n\
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+endometrial cancer.\n\
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+\n\
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+But the NTP advisers said putting all\n\
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+estrogens on the federal list would help\n\
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+women trying to balance the benefits and\n\
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+risks when choosing hormone therapy.\n\
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+Physicians never discuss any of these risks\n\
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+when they are prescribing hormone therapy.\n\
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+They only discuss benefits. Listing might\n\
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+force it on the table, Michelle Medinsky, a\n\
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+toxicologist from Durham, N.C., said before\n\
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+the vote.\n\
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+\n\
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+The committee of scientists advises the NTP,\n\
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+a branch of the National Institutes of Health\n\
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+that every two years updates the federal list\n\
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+of proven and suspected cancer-causing\n\
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+substances.\n\
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+\n\
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+The NTP typically follows its advisers\n\
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+recommendations, but an officially updated\n\
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+carcinogen list isnt expected until 2002.\n\
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+\n\
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+Thursday, after a daylong debate, the panel\n\
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+declined to add talc powder to the list,\n\
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+saying there wasnt enough evidence linking\n\
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+its use in feminine hygiene products to\n\
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+ovarian cancer. The panel deadlocked over\n\
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+whether to a second type of talc, fibrous\n\
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+talc that some studies have linked to lung\n\
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+cancer in talc miners.\n\
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+\n\
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+On Wednesday, the panel voted to add\n\
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+ultraviolet radiation -- those\n\
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+sunburn-causing rays long known to cause skin\n\
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+cancer -- to the official carcinogen list.\n\
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+\n\
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+The panel on Friday continued debating an\n\
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+association between cancers of the nose and\n\
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+sinuses with industrial exposure to wood\n\
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+dust.\n\
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+\n\
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+Talc has long been controversial. When\n\
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+studies first appeared suggesting it migrated\n\
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+into the ovaries to cause tumors, many\n\
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+feminine hygiene products replaced talc with\n\
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+cornstarch.\n\
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+\n\
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+Panelist Medinsky said she had been prepared\n\
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+to list talc powder as reasonably believed\n\
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+to cause cancer. But after listening to\n\
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+hours of industry attacks on the science,\n\
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+the evidence has knocked me out of the\n\
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+reasonably category into not list, she\n\
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+said before the panel voted 7-3 against\n\
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+listing talc.\n\
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+\n\
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+Talc has long been controversial. When\n\
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+studies first appeared suggesting it migrated\n\
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+into the ovaries to cause tumors, many\n\
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+feminine hygiene products replaced talc with\n\
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+cornstarch.\n\
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+\n\
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+Panelist Medinsky said she had been prepared\n\
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+to list talc powder as reasonably believed\n\
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+to cause cancer. But after listening to\n\
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+hours of industry attacks on the science,\n\
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+the evidence has knocked me out of the\n\
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+reasonably category into not list, she\n\
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+said before the panel voted 7-3 against\n\
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+listing talc.\n\
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+\n\
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+Talc in one form or the other can be found in\n\
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+many papers, paints, ceramics, food wrappers,\n\
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+hard candy, chewing gum, cosmetics and pills.\n\
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+Most people are familiar with talc as a loose\n\
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+powder used in cosmetics and as a drying\n\
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+powder.\n\
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+abde\
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+ |{ b |{c|<here> d|e}| f}| g | h"];
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+    struct1:f1 -> struct2:f0;
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+    struct1:f2 -> struct3:here;
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+}
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+