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Best practices for posting tabular data

I am trying to find how tabular data is presented in Software Development. So far, I have found one question, [How to pivot text?](https://software.codidact.com/posts/278621). The question presents tabular data using code blocks, dash to indicate a new row, pipe to indicate column separation and underscore to indicate an empty cell. I took the data from the referred question and set none as the programming language to prevent the text from being highlighted:

```none
- PERSON 1 | PERSON 2 | YES
- PERSON 1 | PERSON 3 | YES
- PERSON 2 | PERSON 1 | YES
- PERSON 2 | PERSON 3 | YES
- PERSON 3 | PERSON 1 | NO
- PERSON 3 | PERSON 2 | NO
```

and
```none
- _________| PERSON 1 | PERSON 2 | PERSON 3 |
- PERSON 1 |   X      |   YES    |    YES   |
- PERSON 2 |   YES    |   X      |    YES   |
- PERSON 3 |   NO     |   NO     |    X     |
```

Sometimes, including the column and row headers on `spreadsheet-formula` questions might be relevant. Below I'm using dashes (-) and a plus (+) character between columns to separate the column headers from the data below:

```none
  |    A     |    B     |  C
--+----------+----------+-----
1 | PERSON 1 | PERSON 2 | YES
2 | PERSON 1 | PERSON 3 | YES
3 | PERSON 2 | PERSON 1 | YES
4 | PERSON 2 | PERSON 3 | YES
5 | PERSON 3 | PERSON 1 | NO
6 | PERSON 3 | PERSON 2 | NO
```

It bugs me a bit that the space between lines looks to be too big. 

- Is there a better way to present tabular data?  
- Is there a way to reduce the space between lines?