Don't escape _ if it's in the middle of a word

[TranquilMarmot]

https://www.markdownguide.org/basic-syntax#italic-best-practices

For example, if you were to input the following Markdown:

_A_cat_meow_

The expected output would be:

<em>A_cat_meow</em>

But instead it is:

<em>A\_cat\_meow</em>