[css-logical-props] Incorrect value definitions

The values for the border properties are not referring to anything. Instead
of border-width, border-style and color they should be <'border-width'>,
<'border-style'> and <'color'>.

Also, do the apostrophes mean that the values refer to properties in other
specs instead of actual values?
Would it make sense to refer to actual values instead of the properties?
E.g. use <padding-width>[1] or even <length> | <percentage> instead of
<'padding-left'>.

Sebastian

[1] http://dev.w3.org/csswg/css2/box.html#value-def-padding-width