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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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`like _so_` - quote by placing > at start of line
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<https://example.com>[example](https://example.com)<a href="https://example.com">example</a>
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file1does not have a trailing newline\n- (perhapsfile2is the same). Testfile1via:hexdump file1, and look for0aat the end.0ais the hexadecimal value of the newline charactered "$file" <<< wwill write trailing new lines to a file lacking one.