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The Adobe-CNS1-7 Character Collection

© 1995, 1998, 2000, 2001, 2003, 2005, 2007, 2009, 2012, 2017 Adobe Systems Incorporated.

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The above copyright notice and this permission notice shall be included in all copies of the documentation.

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Last updated 2017-10-10


The purpose of this document is to define and describe the Adobe-CNS1-7 character collection, which enumerates 19,179 glyphs, and whose designation is derived from the following three /CIDSystemInfo dictionary entries:

  • /Registry (Adobe)
  • /Ordering (CNS1)
  • /Supplement 7

CIDFont resources that reference this character collection must include a /CIDSystemInfo dictionary that matches the /Registry and /Ordering strings shown above.

This document is designed for font developers, for the purpose of developing Traditional Chinese fonts for use with PostScript products, or for developing OpenType Traditional Chinese fonts. It is also useful for application developers and end users who need to know more about the glyphs in this character collection. This document expects that its readers are familiar with the CID-keyed font file format, which is described in Adobe Technical Note #5014, entitled Adobe CMap and CIDFont Files Specification.

A character collection contains the glyphs that are required to develop font products for a specific language, script, or market. Specific encodings are defined through the use of CMap resources that are instantiated as files, and generally reference a subset of the character collection.

The character collection that results from each Supplement includes the glyphs associated with all earlier Supplements. For example, Supplement 7 includes all glyphs defined in Supplements 0 through 6.

The Adobe-CNS1-7 character collection enumerates 19,179 glyphs, specifically CIDs 0 through 19178, among eight Supplements, designated 0 through 7. Adobe-CNS1-6 supports CNS 11643 Planes 1 and 2, Big Five, Hong Kong GCCS, and the 1999, 2001, 2004, 2008, and 2016 versions of Hong Kong SCS (Hong Kong Supplementary Character Set or shortened to HKSCS). The following table summarizes these eight Supplements, and also provides the pages on which their glyphs are shown in the Adobe-CNS1-7.pdf file:

Supplement Additional CIDs CID Range Total CIDs Date of Establishment Pages
0 n/a 0–14098 14,099 1995-06-26 1–29
1 3,309 14099–17407 17,408 1998-09 29–35
2 193 17408–17600 17,601 1998-10-12 35–36
3 1,245 17601–18845 18,846 2000-06 36–38
4 119 18846–18964 18,965 2001-08 38
5 123 18965–19087 19,088 2005-07-08 38–39
6 68 19088–19155 19,156 2009-09-24 39
7 23 19156–19178 19,179 2017-07-04 39

Each CID (Character ID) in a character collection is associated with a class of character shapes or glyphs. The specific shape of a glyph from a given glyph class is dependent on the typeface style and possibly other factors. Glyphs for all CIDs are illustrated in this document, providing a specific example or instance of the correspondence between a CID and its glyph shape class. Font developers should design glyphs for each CID of the character collection, and may use this document as a reference when proofing or otherwise validating CIDFont resources.

The following sections detail the history and contents of each of the eight Supplements of the Adobe-CNS1-7 character collection.

Supplement 0—Adobe-CNS1-0

Supplement 0, which enumerates 14,099 glyphs, specifically CIDs 0 through 14098, supports the CNS 11643-1992 character set standard (Planes 1 and 2 only), Big Five, and the ETen extensions to Big Five.

Supplement 1—Adobe-CNS1-1

Supplement 1 provides 3,309 additional glyphs, specifically CIDs 14099 through 17407, that are necessary to support Hong Kong GCCS and its extension, along with vendor-specific character sets from Monotype and DynaComware. CIDs 14099 through 14122 are punctuation and line-drawing glyphs, which have been included to completely support the needs of vertical and horizontal writing modes.

Supplement 2—Adobe-CNS1-2

Supplement 2 adds 193 glyphs, specifically CIDs 17408 through 17600, and was designed to add only pre-rotated versions of all non–full-width Latin and Latin-like glyphs found in Supplement 1 and earlier, for the specific purpose of supporting the OpenType ‘vrt2’ (Vertical Alternates and Rotation) GSUB (Glyph SUBstitution) feature.

Supplement 3—Adobe-CNS1-3

Supplement 3 adds 1,245 glyphs, specifically CIDs 17601 through 18845. Glyphs for the Euro currency symbol are at CIDs 17601 through 17605 (proportional, full-width, and half-width Euro glyphs, along with pre-rotated proportional and half-width Euro glyphs). Also included are those glyphs necessary to fully support Hong Kong SCS as initially published by the goverment of the Hong Kong Special Administrative Region (SAR) of the People’s Republic of China (Hong Kong SCS-1999). Glyphs for hanzi that were not already included in Adobe-CNS1-1 are allocated at CIDs 17606 through CIDs 18784. CIDs 18785 through 18845 complete the support for Hong Kong SCS by allocating positions for Latin or Latin-like glyphs with diacritic marks, along with additional symbols.

Supplement 4—Adobe-CNS1-4

Supplement 4 adds 119 glyphs, specifically CIDs 18846 through 18964. 116 of these glyphs (CIDs 18849 through 18964) have been added to reflect the addition of 116 characters, all of which are hanzi, to Hong Kong SCS-2001.

CIDs 18846, 18847, and 18848 are necessary to distinguish the designs of three Hong Kong SCS characters (0xC8E0, 0xC8E9, and 0xC8F1) versus the designs of three Big Five characters (0xA4EB, 0xA8A4, and 0xF0E8). In the past, the former three characters were rendered using CIDs 732, 1289, and 2550, because they were considered to be identical with the latter. However, the purpose of the three Hong Kong SCS characters is to represent three Unicode “CJK Radicals Supplement” characters (U+2E9D ⺝, U+2EC6 ⻆, and U+2EE3 ⻣). This led to design adjustments that necessitated the addition of CIDs 18846, 18847, and 18848.

Supplement 5—Adobe-CNS1-5

Supplement 5 adds 123 new glyphs, specifically CIDs 18965 through 19087, to reflect the addition of 123 characters, all of which are hanzi, to Hong Kong SCS-2004.

Supplement 6—Adobe-CNS1-6

Supplement 6 adds 68 new glyphs, specifically CIDs 19088 through 19155, to reflect the addition of 68 characters, all of which are hanzi, to Hong Kong SCS-2008.

Supplement 7—Adobe-CNS1-7

Supplement 7 adds 23 new glyphs, specifically CIDs 19156 through 19178, to reflect the addition of 23 characters, all of which are hanzi, to Hong Kong SCS-2016. Hong Kong SCS-2016 also added the Euro currency symbol, whose glyphs were already included in Supplement 3.

Special Glyphs & Other Notes

The following sections detail special glyphs and other notes that are of interest to font developers. Several glyph classes are complex, and deserve some amount of explanation and clarification.

Space Glyphs

The following table lists all of the Adobe-CNS1-7 glyphs that are classified as a space, or are otherwise rendered as a space, and provides information with regard to their intended usage, along with their recommended set widths:

CID Set Width Description
1 Proportional Latin space—U+0020
99 Full-width Ideographic space—U+3000
13648 Half-width Latin space—U+2002
17408 Full-width Pre-rotated version of CID+1
17506 Full-width Pre-rotated version of CID+13648

The space glyphs that are described as a pre-rotated version of another glyph must be assigned full-width set widths in terms of their horizontal set widths, but when instantiated as an OpenType font, their vertical set widths as specified in the OpenType ‘vmtx’ (Vertical Metrics) table should match those of their unrotated counterparts.

Hanzi Glyphs

Adobe-CNS1-7 includes 17,898 glyphs that are classified as hanzi (aka ideographs), and their CID ranges, separated by Supplement, are shown in the table below:

Supplement CID Ranges
0 281–289, 536–561, 595–13645, 13999–14008, 14056–14062
1 14123–17407
2 none
3 17608–18784
4 18846–18964
5 18965–19087
6 19088–19155
7 19156–19178

Pre-Rotated Glyphs

In order to support the OpenType ‘vrt2’ (Vertical Alternates and Rotation) GSUB feature, the Adobe-CNS1-7 character collection includes pre-rotated forms for all Latin and Latin-like glyphs that are not full-width. The table below details how horizontal CIDs and CID ranges map to their corresponding pre-rotated CID ranges:

Supplement Horizontal CIDs & CID Ranges Pre-Rotated CID Ranges
2 1–98, 13648–13742 17408–17600
3 17601, 17603 17604–17605

Glyph Set Widths

The following table provides CIDs and CID ranges that explicitly indicate which glyphs are intended to be designed with proportional- or half-width set widths. All other glyphs are expected to be full-width.

Set Width CIDs & CID Ranges
Proportional 1–98, 17601
Half-width 13648–13742, 17603

The glyph tables that are provided in this document include registration marks that serve to indicate relative set width. Explicitly specifying width classes, such as in the above table, is clearly more accurate and reliable than measuring the distance between registration marks. Please use both resources as your guide.

Note that the registration marks used in the glyph tables are in a separate layer, and if their presence is annoying, that layer can be turned off, thus preventing their display.

CMap Resources

The CMap resources associated with the Adobe-CNS1-7 character collection, along with the cid2code.txt datafile that provides additional details for font developers, are available as part of the CMap Resources open source project.

More complete descriptions of the individual Adobe-CNS1-7 CMap resources can be found in Adobe Technical Note #5094, entitled Adobe CJKV Character Collections and CMap Files for CID-Keyed Fonts.

In general, the CMap resources that are based on legacy encodings, such as Big Five, are no longer being updated. Rather, the Unicode CMap resources—available for UTF-8, UTF-16 (UTF-16BE), and UTF-32 (UTF-32BE) encodings, and kept perfectly synchronized—are updated on a regular basis, with new mappings being triggered by a new Supplement or a new version of Unicode. Furthermore, the UCS-2 CMap resources are obsolete and deprecated. Developers should use the UTF-16 CMap resources instead, because they are forward compatible with the now-obsolete UCS-2 ones.

Unicode Variation Sequences

The Standardized Variation Sequences (SVSes) that are specified in the Adobe-CNS1_sequences.txt datafile correspond to CJK Compatibility Ideographs.

Glyph Tables

Representative glyphs for CIDs 0 through 19178 are provided in the Adobe-CNS1-7.pdf file that is included in this repository, with 500 glyphs shown per page. And, for reader convenience, the beginning of each Supplement is clearly marked. The typeface used to exemplify each glyph is Adobe Ming Std L (aka, AdobeMingStd-Light or Adobe 明體 Std L), designed by Arphic Technology, and owned by Adobe Systems Incorporated. The specific font instance is Version 7.000, as reflected in its /CIDFontVersion dictionary entry.

Changes Since Earlier Versions

The following sections detail the history of this document, which was originally referred to as Adobe Technical Note #5080.

Since the 2003-05-27—Supplement 4—Version

The glyphs for Supplement 5 (CIDs 18965 through 19087) were added. AdobeMingStd-Light (Adobe Ming Std L) with /CIDFontVersion value 5.000 was used for the representative glyphs.

Since the 2007-02-28—Supplement 5—Version

The glyphs for Supplement 6 (CIDs 19088 through 19155) were added. AdobeMingStd-Light (Adobe Ming Std L) with /CIDFontVersion value 6.001 was used for the representative glyphs. The entire document was completely re-written.

Since the 2012-01-12—Supplement 6—Version

The glyphs for Supplement 7 (CIDs 19156 through 19178) were added. AdobeMingStd-Light (Adobe Ming Std L) with /CIDFontVersion value 7.000 was used for the representative glyphs. The entire specification was ported to GitHub markdown syntax and revised.

Since the 2017-10-09—Supplement 7—Version

Minor editorial changes.

That is all.