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4I upvoted your answer because it so exactly describes why my forthcoming book will be free.– E. Douglas JensenCommented Jul 11, 2017 at 17:07
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2Or with a lot of the Free software - I need this tool/program/whatever. It really has no commercial value, or would need too much work to give it commercial value, so here it is. Only hard part is picking an appropriate license– ivanivanCommented Jul 12, 2017 at 1:49
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create code fences with backticks ` or tildes ~
```
like so
``` -
add language identifier to highlight code
```python
def function(foo):
print(foo)
``` - put returns between paragraphs
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