ISO/IEC JTC 1/SC 2/WG 2

PROPOSAL SUMMARY FORM TO ACCOMPANY SUBMISSIONS
FOR ADDITIONS TO THE REPERTOIRE OF ISO/IEC 10646
Please fill all the sections A, B and C below.

(Please read Principles and Procedures Document for guidelines and details before filling this form.)
See http://www.dkuug.dk/JTC1/SC2/WG2/docs/summaryform.html for latest Form.
See http://www.dkuug.dk/JTC1/SC2/WG2/docs/principles.html for latest Principles and Procedures document.
See http://www.dkuug.dk/JTC1/SC2/WG2/docs/roadmaps.html for latest roadmaps.

(Form number: N2352-F (Original 1994-10-14; Revised 1995-01, 1995-04, 1996-04, 1996-08, 1999-03, 2001-05, 2001-09)

1. Title:  Addition of a VERTICAL LINE EXTENSION character

2. Requester's name: Adobe Systems Inc. (contact: Eric Muller)

3. Requester type (Member body/Liaison/Individual contribution):expert contribution

4. Submission date:                                           October 30, 2002

5. Requester's reference (if applicable):

6. (Choose one of the following:)

  This is a complete proposal:                                Yes

  or, More information will be provided later:                

1. (Choose one of the following:)

  a. This proposal is for a new script (set of characters):    No

   Proposed name of script: 

  b. The proposal is for addition of character(s) to an existing block: Yes

   Name of the existing block: Miscellaneous Technical

2. Number of characters in proposal:                           1

3. Proposed category (see section II, Character Categories):   A

4. Proposed Level of Implementation (1, 2 or 3)                1

                    (see clause 14, ISO/IEC 10646-1: 2000):    

  Is a rationale provided for the choice?                      No

   If Yes, reference:

5. Is a repertoire including character names provided?         Yes

  a. If YES, are the names in accordance with the 

    'character naming guidelines in Annex L of ISO/IEC 10646-1: 2000? Yes

  b. Are the character shapes attached in a legible form suitable for review?

                                                                       Yes

6. Who will provide the appropriate computerized font (ordered preference: 

   True Type, or PostScript format) for publishing the standard?

   Adobe Systems Inc, PostScript Type1 format

   If available now, identify source(s) for the font (include address,

   e-mail, ftp-site, etc.) and indicate the tools used:

   Adobe tools, font currently sold as Symbol

7. References:

  a. Are references (to other character sets, dictionaries, descriptive

     texts etc.) provided?                                     No

  b. Are published examples of use (such as samples from newspapers,

     magazines, or other sources) of proposed characters attached? No

8. Special encoding issues:

  Does the proposal address other aspects of character data processing

   (if applicable) such as input, presentation, sorting, searching, indexing,

   transliteration etc. (if yes please enclose information)?   No

    _________________________________________________________________________

9. Additional Information:
Submitters are invited to provide any additional information about Properties of the proposed Character(s) or Script that will assist in correct understanding of and correct linguistic processing of the proposed character(s) or script. Examples of such properties are: Casing information, Numeric information, Currency information, Display behaviour information such as line breaks, widths etc., Combining behaviour, Spacing behaviour, Directional behaviour, Default Collation behaviour, relevance in Mark Up contexts, Compatibility equivalence and other Unicode normalization related information. See the Unicode standard at http://www.unicode.org/ for such information on other scripts. Also see Unicode Character Database http://www.unicode.org/Public/UNIDATA/UnicodeCharacterDatabase.html and associated Unicode Technical Reports for information needed for consideration by the Unicode Technical Committee for inclusion in the Unicode Standard.

1. Has this proposal for addition of character(s) been submitted before? No

  If YES explain  

2. Has contact been made to members of the user community (for example:

   National Body, user groups of the script or characters,

   other experts, etc.)?                                      Yes

   If YES, with whom? UTC

     If YES, available relevant documents:L2/02-278

3. Information on the user community for the proposed characters

   (for example: size, demographics, information technology use, or 

   publishing use) is included?                               No

    Reference: 

4. The context of use for the proposed characters (type of use;

   common or rare)                                             common

    Reference:

5. Are the proposed characters in current use by the user community? Yes

   If YES, where?  Reference: available in fonts

6. After giving due considerations to the principles in Principles and

   Procedures document (a WG 2 standing document) must the proposed 

   characters be entirely in the BMP?                          No

   If YES, is a rationale provided?                            

    If YES, reference: 

7. Should the proposed characters be kept together in a contiguous range

   (rather than being scattered)?                              

8. Can any of the proposed characters be considered a presentation form of an

   existing character or character sequence?                   No

   If YES, is a rationale for its inclusion provided?         

    If YES, reference: 

9. Can any of the proposed characters be encoded using a composed character

   sequence of either existing characters or other proposed characters? No

   If YES, is a rationale for its inclusion provided?          

    If YES, reference:

10. Can any of the proposed character(s) be considered to be similar (in

   appearance or function) to an existing character?           Yes

   If YES, is a rationale for its inclusion provided?          Yes

    If YES, reference:                                         see below

11. Does the proposal include use of combining characters and/or use of

    composite sequences (see clauses 4.12 and 4.14

    in ISO/IEC 10646-1: 2000)?                                 No

   If YES, is a rationale for such use provided?               

    If YES, reference:  

   Is a list of composite sequences and their corresponding glyph images

   (graphic symbols) provided?                                

    If YES, reference: 

12. Does the proposal contain characters with any special properties such as 

  control function or similar semantics?                       No

   If YES, describe in detail (include attachment if necessary) 

13. Does the proposal contain any Ideographic compatibility character(s)? No

   If YES, is the equivalent corresponding unified ideographic character(s)

   identified?                                                  

    If YES, reference: