Is MSAA figcaption missing STATE_SYSTEM_READONLY?

[carmacleod]

The MSAA/IA2 entries for caption, figcaption, legend, and label are as follows:

• caption: ROLE_SYSTEM_TEXT; IA2_ROLE_CAPTION; STATE_SYSTEM_READONLY
• figcaption: ROLE_SYSTEM_TEXT; IA2_ROLE_CAPTION
• legend: ROLE_SYSTEM_STATICTEXT; IA2_ROLE_LABEL
• label: ROLE_SYSTEM_STATICTEXT; IA2_ROLE_LABEL

Note that caption has "STATE_SYSTEM_READONLY" and figcaption does not. Should it?

Also... curious why caption uses ROLE_SYSTEM_TEXT+STATE_SYSTEM_READONLY
but legend and label use ROLE_SYSTEM_STATICTEXT.
I would have thought they would have the same MSAA role and only differ by their IA2 role?

@aleventhal Any clues?

[scottaohara]

per changes that are being made / will be made in #359, i'm closing this issue