Link text cut off when link text contains backticks (code)

[h3xx]

When a markdown link text contains backticks, it gets rendered incorrectly, omitting some or all of the link text.

It appears to omit everything after and including the first backtick, e.g. "foo `bar` baz" becomes "foo ".

MCVE

Given the following input:

Code in link: [`foo`](https://example.com)
No code in link: [foo](https://example.com)
Some code in link: [some other `code` in here](https://example.com)

The following output will be generated:

.nh

.PP
Code in link:
\[la]https://example.com\[ra]
No code in link: foo
\[la]https://example.com\[ra]
Some code in link: some other
\[la]https://example.com\[ra]

Expected output:

.nh

.PP
Code in link: \fB\fCfoo\fR
\[la]https://example.com\[ra]
No code in link: foo
\[la]https://example.com\[ra]
Some code in link: some other \fB\fCcode\fR in here
\[la]https://example.com\[ra]

go-md2man version: 7a5c8b3
golang version: 1.14.15
Linux x86_64