[Devicemap Wiki] Update of "AttributeSpec2" by rezan

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<<TableOfContents(2)>>

= Attribute Specification 2.0 =
Draft 1, 2015-03-24

This is the Device``Map Attribute specification for devices, operating systems and browsers.


=== Overview ===

This document goes over the defined attributes for the device, operating system, and browser domains.

=== Device Attributes ===

 * manufacturer
 * model
 * marketing_name
 * release_year
 * display_width (formally displayWidth)
 * display_height (formally displayHeight)
 * display_ppi (formally pixel_density_ppi)
 * cpu_model
 * cpu_speed
 * cpu_bits
 * cpu_count (logical cpu units (cores) as seen by OS)
 * cpu_cache
 * video_model
 * video_speed
 * video_memory
 * device_memory
 * device_storage

=== Operating System Attributes ===

 * company
 * name
 * version
 * release_year

=== Browser Attributes ===

 * company
 * name
 * version
 * release_year

TODO: what are generally browser attributes which are important to identify?