[css-ruby-1] stripping leading/trailing white space from ruby bases #6067
Description
Fun testcase without interop: http://software.hixie.ch/utilities/js/live-dom-viewer/?%3C!DOCTYPE%20html%3E%0A%3Cruby%3E%0A%20%20a%20a%20%3Crt%3EA%3C%2Frt%3E%0A%20%20b%20b%20%3Crt%3EB%3C%2Frt%3E%0A%20%20c%20c%20%3Crt%3EC%3C%2Frt%3E%0A%3C%2Fruby%3E%3Cbr%3E%0A
We probably need to do something about this, not sure yet what.