developit / developit/snarkdown

Links inside bold/italic text result in invalid HTML

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JavaScript
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Description

Links inside runs of bold or italic text are rendered as invalid HTML.

For example, the following Markdown:

```markdown
foo **[link](https://example.com)** bar
```

is rendered as:

```html
foo link bar
```

whilst the expected output would be:

```html
foo link bar
```

[More examples here](https://runkit.com/bock/5b0e748a072e510012552c4f).

Two things are unexpected here:

1. The output is invalid because the `` and `` tags are closed in the same order in which they're opened.
2. The `` tag is then re-opened and not closed until the end of the text, causing more of the text to be bold than intended.

The same happens when using `__` instead of `**`, as well as with italics (`_` or `*`).

When the formatting is _inside_ the link, the result is as expected:

```markdown
foo [**link**](https://example.com) bar
```

This renders as:

```html
foo
link bar
```

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