Render discrepancy when combining backtick (for code), underscore and asterisk (em)

[sciurius]

1. What version of goldmark are you using? : assuming latest

2. What version of Go are you using? : go version go1.13.11 linux/amd64

3. What operating system and processor architecture are you using? : Fedora 31 AMD64

4. What did you do? : See attached program

package main

import (
    "bytes"
    "fmt"
    "github.com/yuin/goldmark"
)

func main () {
    var buf bytes.Buffer
    goldmark.Convert([]byte("`{%`_name_`%}`"), &buf)
    goldmark.Convert([]byte("`{%`*name*`%}`"), &buf)
    fmt.Println(buf.String())
}

emrender.zip

5. What did you expect to see? :

According to the specs, `{%`_name_`%}` and `{%`*name*`%}` should both render to <p><code>{%</code><em>name</em><code>%}</code></p>

6. What did you see instead? :

`{%`_name_`%}` is rendered to <p><code>{%</code>_name_<code>%}</code></p>

7. Did you confirm your output is different from CommonMark online demo or other official renderer correspond with an extension?: yes