Double h1 when there is text between the heading and the h1

You are making the assumption that between

```markdown
---
title: Getting started with MapKit for Android | Android
---

# Getting started with MapKit for Android
```

there is nothing and h1 is always at the very top

In fact it may be so

```markdown
---
title: Getting started with MapKit for Android | Android
---

some meta information,

# Getting started with MapKit for Android

```

Then diplodoc inserts two h1