extra settings

A single and experimental setting currently only:

It is possible to at least parse sheets with Microsoft only property values for
filter which start with progid:DXImageTransform.Microsoft.[...](.

To enable these you need to set:

>>> from cssutils import settings
>>> settings.set('DXImageTransform.Microsoft', True)
>>> cssutils.ser.prefs.useMinified()
>>> text = 'a {filter: progid:DXImageTransform.Microsoft.BasicImage( rotation = 90 )}'
>>> print cssutils.parseString(text).cssText

This currently is a major hack but if you like to minimize sheets in the wild which use this kind of CSS cssutils at least can parse and reserialize them. Also you cannot reset this change until you restart your program.

As these filter values are case sensitive there are in no way normalized either. Neither are values like expression(...) or alpha(...) anymore which are parsable without settings this specific switch.

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