print_dot_psl: fix numbering of commutative operands
* spot/tl/dot.cc: Here. * tests/python/formulas.ipynb: Add test case. * NEWS: Mention the bug.
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3 changed files with 79 additions and 56 deletions
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@ -122,7 +122,8 @@ namespace spot
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else if (childnum == -1)
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os_ << " [taillabel=\"R\"]";
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os_ << ";\n";
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++childnum;
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if (childnum)
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++childnum;
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}
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return src;
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