ISO/IEC 9541-2:2012
(Main)Information technology - Font information interchange - Part 2: Interchange format
Information technology - Font information interchange - Part 2: Interchange format
ISO/IEC 9541 specifies the architecture of font resources, as well as the formats for font interchange amongst information processing systems. ISO/IEC 9541 also specifies the architecture and formats that can be used to construct font references in general electronic document interchange. ISO/IEC 9541-2:2012 specifies the interchange formats for font information, and the minimum subsets of that information required for interchange. ISO/IEC 9541-2:2012 requires the property definitions as defined in ISO/IEC 9541-1. Font subsets defined by ISO/IEC 9541-2:2012 establish the minimum set of font properties that must occur within an ISO font resource. To accommodate the broad range of document and text processing functions found in office and publishing environments, it is anticipated that ISO font resources will contain more than the minimum number of font properties. Font resources defined by ISO/IEC 9541-2:2012 are used in various document processing environments in which the RELAX NG Compact Syntax schema (ISO/IEC 19757-2) parsing algorithm is recognized. The format of font resource information as defined in ISO/IEC 9541-2:2012 is specified in RELAX NG Compact Syntax for consistent generation of font resources for use in the processing environments.
Technologies de l'information — Échange d'informations sur les fontes — Partie 2: Format d'échange
General Information
Relations
Overview
ISO/IEC 9541-2:2012 - Information technology - Font information interchange - Part 2: Interchange format - defines standardized interchange formats and the minimum subsets of font information required to exchange font resources reliably between systems. Part 2 is part of the ISO/IEC 9541 family that specifies the architecture of font resources and how font references can be constructed for electronic document interchange. The 2012 second edition modernizes the format syntax to XML-based DSDL and specifies the format using the RELAX NG Compact Syntax (ISO/IEC 19757-2) parsing framework.
Key topics and requirements
- Interchange format specification
- Defines how font resource information must be encoded for consistent interchange across information processing systems.
- Minimum font subsets
- Establishes the minimum set of font properties that an ISO font resource must contain to support interoperable exchange; implementations are expected to support more properties for richer processing.
- Dependency on Part 1
- Requires the property definitions and architectural concepts given in ISO/IEC 9541-1 (font resource architecture).
- Use of RELAX NG Compact Syntax
- Specifies font resource formats in RELAX NG Compact Syntax (ISO/IEC 19757-2) so font resources can be validated and parsed consistently in supporting environments.
- Backward and editorial changes
- The second edition cancels and replaces the 1991 edition and incorporates prior amendments and corrigenda; it includes an editorial change from earlier SGML/DTD and ASN.1 syntaxes to XML (DSDL).
Applications and who uses it
ISO/IEC 9541-2:2012 is practical for organizations and professionals that need reliable, portable font information exchange across platforms and document systems:
- Software vendors developing font management, typesetting, desktop publishing, or document rendering engines
- Document processing and office-suite integrators who need consistent font referencing for interchange
- Digital publishers and print service providers ensuring font fidelity across workflows
- Digital archivists and repositories managing standardized font resources for long-term preservation
- Standards implementers and QA teams validating font resource files using RELAX NG-based parsers
Adopting ISO/IEC 9541-2:2012 helps reduce font substitution errors, improves cross-system compatibility, and supports robust electronic document interchange where font fidelity matters.
Related standards
- ISO/IEC 9541-1 - Font resource architecture and property definitions (required by Part 2)
- ISO/IEC 19757-2 - RELAX NG Compact Syntax (used to specify the interchange schema)
- Historical: ISO/IEC 9541-2:1991 and subsequent amendments/corrigenda incorporated into the 2012 edition
Keywords: ISO/IEC 9541-2:2012, font information interchange, interchange format, RELAX NG Compact Syntax, font resources, font subsets, ISO font resources.
Frequently Asked Questions
ISO/IEC 9541-2:2012 is a standard published by the International Organization for Standardization (ISO). Its full title is "Information technology - Font information interchange - Part 2: Interchange format". This standard covers: ISO/IEC 9541 specifies the architecture of font resources, as well as the formats for font interchange amongst information processing systems. ISO/IEC 9541 also specifies the architecture and formats that can be used to construct font references in general electronic document interchange. ISO/IEC 9541-2:2012 specifies the interchange formats for font information, and the minimum subsets of that information required for interchange. ISO/IEC 9541-2:2012 requires the property definitions as defined in ISO/IEC 9541-1. Font subsets defined by ISO/IEC 9541-2:2012 establish the minimum set of font properties that must occur within an ISO font resource. To accommodate the broad range of document and text processing functions found in office and publishing environments, it is anticipated that ISO font resources will contain more than the minimum number of font properties. Font resources defined by ISO/IEC 9541-2:2012 are used in various document processing environments in which the RELAX NG Compact Syntax schema (ISO/IEC 19757-2) parsing algorithm is recognized. The format of font resource information as defined in ISO/IEC 9541-2:2012 is specified in RELAX NG Compact Syntax for consistent generation of font resources for use in the processing environments.
ISO/IEC 9541 specifies the architecture of font resources, as well as the formats for font interchange amongst information processing systems. ISO/IEC 9541 also specifies the architecture and formats that can be used to construct font references in general electronic document interchange. ISO/IEC 9541-2:2012 specifies the interchange formats for font information, and the minimum subsets of that information required for interchange. ISO/IEC 9541-2:2012 requires the property definitions as defined in ISO/IEC 9541-1. Font subsets defined by ISO/IEC 9541-2:2012 establish the minimum set of font properties that must occur within an ISO font resource. To accommodate the broad range of document and text processing functions found in office and publishing environments, it is anticipated that ISO font resources will contain more than the minimum number of font properties. Font resources defined by ISO/IEC 9541-2:2012 are used in various document processing environments in which the RELAX NG Compact Syntax schema (ISO/IEC 19757-2) parsing algorithm is recognized. The format of font resource information as defined in ISO/IEC 9541-2:2012 is specified in RELAX NG Compact Syntax for consistent generation of font resources for use in the processing environments.
ISO/IEC 9541-2:2012 is classified under the following ICS (International Classification for Standards) categories: 35.240.30 - IT applications in information, documentation and publishing. The ICS classification helps identify the subject area and facilitates finding related standards.
ISO/IEC 9541-2:2012 has the following relationships with other standards: It is inter standard links to ISO/IEC 9541-2:1991/Amd 2:2009, ISO/IEC 9541-2:1991/Amd 1:2000, ISO/IEC 9541-2:1991. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
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Standards Content (Sample)
INTERNATIONAL ISO/IEC
STANDARD 9541-2
Second edition
2012-08-15
Information technology — Font
information interchange —
Part 2:
Interchange format
Technologies de l'information — Échange d'informations sur les
fontes —
Partie 2: Format d'échange
Reference number
©
ISO/IEC 2012
This CD-ROM contains the publication ISO/IEC 9541-2:2012 in html format.
This second edition cancels and replaces the first edition (ISO/IEC 9541-2:1991), of which it constitutes a
minor revision. It also includes an editorial change of syntax to XML (DSDL, ISO/IEC 19757-2) from
SGML/DTD and ASN.1. It also incorporates the following Amendments and Corrigenda:
ISO/IEC 9541-2:1991/Amd.1:2000
ISO/IEC 9541-2:1991/Amd.2:2009
ISO/IEC 9541-2:1991/Cor.1:1993
ISO/IEC 9541-2:1991/Cor.2:1995
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