This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
- If the user has configured their device to use the "Graphite" appearance on Mac OS X, this is 1. If the user is using the standard blue appearance, or is not on Mac OS X, this is 0.
Accepts min/max prefixes: no