[media-types] [IANA #1443809] application/vnd.vnd.zo ho-document.writer registration request

Hi Darrel,

Sending a reminder for this request from February 11th.

thanks,
Amanda

On Wed Feb 11 19:02:45 2026, amanda.baber wrote:
> Hi Darrel,
> 
> Would you be able to review this new request for us by February 25th?
> 
> You approved a Zoho media type last month, but wrote, "While RFC 6838
> Section 4.4 (https://www.rfc editor.org/rfc/rfc6838.html#section-4.4)
> does not require public specifications for vendor tree registrations,
> I recommend that Zoho consider publishing at least a basic format
> specification for this media type given its intended COMMON usage.
> Public documentation would improve interoperability and transparency
> for recipients of .zshow files." That advice was passed on.
> 
> thanks,
> Amanda
> 
> =====
> 
> Name: Manivannan Subburaj
> 
> Email: [email protected]
> 
> Media type name: application
> 
> Media subtype name: vnd.vnd.zoho-document.writer
> 
> Required parameters: N/A
> 
> Optional parameters: N/A
> 
> Encoding considerations: binary
> 
> This media type may require encoding on transports not capable of
> handling binary.
> 
> Security considerations: It is a ZIP package containing json files,
> image files.
> 
> An zdoc document of this sub-type may contain executable content; such
> executable contents are not invoked by Zoho Writer.
> 
> An zdoc document of this sub-type may contain personal information,
> but cannot be encrypted. It may include hyper-links to other objects.
> Implementors should pay special attention to security of resolving
> such external references.
> 
> There are no mechanisms in zdoc document to verify the integrity of
> documents (e.g. digital signatures). Users have to rely on external
> applications, should such integrity verification be required.
> 
> As with most application types this data is intended for
> interpretation by a program that understands the data on the
> recipient's system. Recipients need to understand that they are at the
> "mercy" of the sender, when receiving this type of data, since data
> will be executed on their system, and the security of their machines
> can be violated.
> 
> Interoperability considerations: None
> 
> Published specification: None
> 
> Applications which use this media: Zoho Writer
> 
> Fragment identifier considerations: None
> 
> Restrictions on usage: None
> 
> Provisional registration? (standards tree only): No
> 
> Additional information:
> 
> 1. Deprecated alias names for this type: None
> 2. Magic number(s): 50 4b 03 04 as in ZIP
> 3. File extension(s): zdoc
> 4. Macintosh file type code: No specified Macintosh file type code(s)
> for Zoho Writer.
> 5. Object Identifiers: None
> 
> General Comments:
> 
> Person to contact for further information:
> 
> 1. Name: Ganeshprabhu Rajendran
> 2. Email: [email protected]
> 
> Intended usage: COMMON
> 
> Author/Change controller: [email protected]

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