# TOC in gfm contains no HTML by default
```
% pandoc --to=gfm --toc --standalone
# Head

Content
^D
- [Head](#head)

# Head

Content
```

# Same in Markdown if link_attributes extension is disabled
```
% pandoc --to=markdown-link_attributes --toc --standalone
# Head

Content
^D
- [Head](#head)

# Head

Content
```

# IDs are added to TOC with the "attributes" CommonMark extension
```
% pandoc --to=commonmark+gfm_auto_identifiers+attributes --toc -s
# Nam a sapien

Lorem ipsum dolor sit amet, consectetuer adipiscing elit.
^D
- [Nam a sapien](#nam-a-sapien){#toc-nam-a-sapien}

# Nam a sapien

Lorem ipsum dolor sit amet, consectetuer adipiscing elit.
```