[media-types] Re: [IANA #1455999] application/vnd.ta blafocus.notation registration request

Hi David/Amanda,

On 28/07/2026 01:58, David Dong via RT wrote:
> Hi Alexey,
>
> Can you review this new request by August 10th?

Sorry for missing the deadline. This is fine to register.

Best Regards,

Alexey

> Thank you.
>
> --
>
> Name: Sreeram Kongeseri
>
> Email: [email protected]
>
> Media type name: application
>
> Media subtype name: vnd.tablafocus.notation
>
> Required parameters: N/A
>
> Optional parameters: N/A
>
> Encoding considerations: binary
>
> N/A
>
> Security considerations: The format contains user-authored musical notation and annotations. It contains no executable content. Version 2 is an authenticated encrypted binary container. Readers must authenticate the complete container before decoding, reject authentication failures, impose input-size limits, and treat all imported data as untrusted. Encryption provides application-format confidentiality but is not intended to constitute DRM against determined reverse engineering of the client application.
>
> Interoperability considerations: This media type is intended for interchange between Tabla Focus installations. Version 2 is the current format. Tabla Focus for iOS is the reference reader and writer.
>
> Published specification: https://www.tablafocus.com/formats/tabla
>
> Applications which use this media: Tabla Focus for iOS
>
> Fragment identifier considerations: N/A
>
> Restrictions on usage: Use is limited to sharing tabla compositions and phrases between Tabla Focus installations.
>
> Provisional registration? (standards tree only): No
>
> Additional information:
>
> 1. Deprecated alias names for this type: N/A
> 2. Magic number(s): 54 42 4C 41 00 02 0D 0A at offset 0
> 3. File extension(s): .tabla
> 4. Macintosh file type code: N/A
> 5. Object Identifiers: N/A
>
> General Comments: Format name: Tabla Focus Notation. Current version: 2. Apple UTI: com.tablafocus.notation. Tabla Focus for iOS is the reference reader and writer.
>
> Person to contact for further information:
>
> 1. Name: Sreeram Kongeseri
> 2. Email: [email protected]
>
> Intended usage: LIMITED USE
>
> Use is limited to sharing tabla compositions and phrases between Tabla Focus installations.
>
> Author/Change controller: Tabla Focus
>
> --
>
> Best regards,
>
> David Dong
> IANA Services Sr. Specialist

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