A new pristine checkout of documentation does not build

[mmomtchev]

git clone https://github.com/documentationjs/documentation.git documentation-upstream
cd documentation-upstream
npm run build

> [email protected] build
> npm run doc


> [email protected] doc
> node ./bin/documentation.js build src/index.js -f md --access=public > docs/NODE_API.md

Parsing file /home/mmom/src/documentation-upstream/src/output/html.js: TypeError: src.slice is not a function