Prefer cursor shape names from the CSS W3C specification
There is a mix of cursor shape names from the CSS W3C specification and non-spec ones, which is confusing when deciding what cursor shapes need aliases in Cursor::cursorAlternativeNames().
There is a mix of cursor shape names from the CSS W3C specification and non-spec ones, which is confusing when deciding what cursor shapes need aliases in Cursor::cursorAlternativeNames().