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The "font" Top-Level Media Type (RFC8081)

IP.com Disclosure Number: IPCOM000249488D
Original Publication Date: 2017-Feb-01
Included in the Prior Art Database: 2017-Mar-01
Document File: 36 page(s) / 38K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

C. Lilley: AUTHOR

Abstract

The process of setting type in computer systems and other forms of text presentation systems uses fonts in order to provide visual representations of the glyphs. Just as with images, for example, there are a number of ways to represent the visual information of the glyphs. Early font formats often used bitmaps, as these could have been carefully tuned for maximum readability at a given size on low- resolution displays. More recently, scalable vector outline fonts have come into widespread use. In these fonts, the outlines of the glyphs are described, and the presentation system renders the outline in the desired position and size.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 7% of the total text.

Internet Engineering Task Force (IETF)                         C. Lilley Request for Comments: 8081                                           W3C Category: Standards Track                                  February 2017 ISSN: 2070-1721

                     The "font" Top-Level Media Type

Abstract

   This memo serves to register and document the "font" top-level media    type, under which subtypes for representation formats for fonts may    be registered.  This document also serves as a registration    application for a set of intended subtypes, which are representative    of some existing subtypes already in use, and currently registered    under the "application" tree by their separate registrations.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Further information on    Internet Standards is available in Section 2 of RFC 7841.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at    http://www.rfc-editor.org/info/rfc8081.

Copyright Notice

   Copyright (c) 2017 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    (http://trustee.ietf.org/license-info) in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted from this document must    include Simplified BSD License text as described in Section 4.e of    the Trust Legal Provisions and are provided without warranty as    described in the Simplified BSD License.

 Lilley                       Standards Track                    [Page 1]
 RFC 8081                The 'font' Top-Level Type          February 2017

 Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2

   2.  Background and Justification  . . . . . . . . . . . . . . . .   3

   3.  Security Considerations . . . . . . . . . . . . . . . . . . .   4

   4.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   5

     4.1.  Definition and Encoding . . . . . . . . . . . . . . . . .   5

     4.2.  Fragment Identifiers for Font Collections . . . . . . . .   5

     4.3.  Registration Procedure  . . . . . . . . . . . . . . . . .   6

     4.4.  Subtype Reg...