Reference for unit 'unitxft': Procedures and functions

`FcFontSetDestroy`
`XftDrawChange`
`XftDrawCreate`
`XftDrawDestroy`
`XftDrawPicture`
`XftDrawSetClip`
`XftDrawString16`
`XftDrawString8`
`XftFontClose`
`XftFontOpenName`
`XftListFonts`
`XftNameUnparse`
`XftTextExtents16`
`XftTextExtents8`