Åsmund Stavdahl

**Describe the bug** The readme's node version requirement badge says >=9 is required, while 'Requirements and installation' says that >=8 is required. **Reproducible example** Browse to https://github.com/rialto-php/puphpeteer, check rendered readme...

### Description Previously, an 'Invalid parameters passed' error would be emitted when parsing an "a" element without an "href" attribute. This fix lets href-less links through. Thanks to @santerref of...