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\$\begingroup\$ In my reference solution, the empty string is a special case too. It's because the root node has its own rules. \$\endgroup\$

Zgarb
– Zgarb

2016-12-02 10:55:35 +00:00
Commented Dec 2, 2016 at 10:55
\$\begingroup\$ I sort of had to special-case it as well, but that special case is only a single character in my solution (the . at the end of the first line). \$\endgroup\$

Martin Ender
– Martin Ender

2016-12-02 11:04:16 +00:00
Commented Dec 2, 2016 at 11:04

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print(foo)
```
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