We have no defined Open On for the case when no 'rel' attribute defined. Our open on is invoked only if rel="stylesheet" attribute value is defined for <link /> tag.
If VPE editor uses a css or some other file, which loaded from 'href' attribute of a <link /> tag without rel="shylesheed" attribute value defined, as a CSS Stylesheet, then it is probably a bug in VPE editor. At least FireFox doesn't treats such links (without rel="stylesheet" attribute value defined) as a CSS Stylesheet definition.
The last case is not a proper CSS Stylesheet definition link. It should have rel="stylesheet" attribute value due to load a CSS stylesheet:
We have no defined Open On for the case when no 'rel' attribute defined. Our open on is invoked only if rel="stylesheet" attribute value is defined for <link /> tag.
If VPE editor uses a css or some other file, which loaded from 'href' attribute of a <link /> tag without rel="shylesheed" attribute value defined, as a CSS Stylesheet, then it is probably a bug in VPE editor. At least FireFox doesn't treats such links (without rel="stylesheet" attribute value defined) as a CSS Stylesheet definition.