Internet media types, or ''[MIME] types'' as they are commonly known (after [MIME -- Multipurpose Internet Mail Extensions]), are the strings such as `text/plain`, `text/html`, `application/octet-stream`, and `image/png` that one commonly encounters in '''Content-type''' headers of several internet-related protocols.

[[Are there any Tcl-specific media types?]]

According to http://www.w3schools.com/media/media_mimeref.asp%|%Multimedia MIME Reference%|%, there is `application/x-tcl`

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