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Re: Reference to "Alphabetic" in 7.17.2 letter-spacing (XSL 1.1 CR)

From: Jeremias Maerki <dev@jeremias-maerki.ch>
Date: Fri, 29 Sep 2006 16:41:26 +0200
To: "xsl-editors" <xsl-editors@w3.org>
Message-Id: <20060929163816.F23F.DEV@jeremias-maerki.ch>

Paul,

fine with me. I take whatever I can get. :-)

Thanks!

On 28.09.2006 23:59:52 Grosso, Paul wrote:
> 
> Jeremias,
> 
> Apologies for not having responded for so long.  I had
> forwarded this message to the XSL FO SG list immediately,
> and we had many internal discussions about this topic,
> so I hadn't realized we never responded to you.
> 
> Most SG members agree that we should probably fix the
> wording here, but there are subtleties involved, and
> we don't want to do it hastily.  We are really hoping
> to take XSL 1.1 to PR within the week, and since this
> issue--as you yourself note--exists in XSL 1.0 also,
> we would like to put this off until after we publish
> XSL 1.1 and treat this as an erratum (to both XSL 1.0
> and 1.1).
> 
> Please let me know if you object to our dealing with
> this issue as a post-XSL 1.1 erratum.
> 
> paul
> 
> > -----Original Message-----
> > From: xsl-editors-request@w3.org 
> > [mailto:xsl-editors-request@w3.org] On Behalf Of Jeremias Maerki
> > Sent: Friday, 2006 March 03 04:09
> > To: xsl-editors
> > Subject: Reference to "Alphabetic" in 7.17.2 letter-spacing 
> > (XSL 1.1 CR)
> > 
> > 
> > I've just stumbled over something in the spec. 7.17.2 
> > letter-spacing (in
> > XSL 1.1 CR, similar in XSL 1.0) mentions that letter-spacing 
> > is applied
> > in halves before and after every character that is classified as
> > "Alphabetic" in the Unicode database. This does not include characters
> > like "-" (002D) or "/" (002F). Assume an fo:block which allows for
> > letter-spacing that contains the text "XSL-FO". Between "S" 
> > and "L", you
> > get two half letter-spaces (together 1 letter-space). Between 
> > "L" and "-",
> > you get only one half letter-space if you strictly follow the 
> > spec. This
> > is not quite what I would expect and not what various layouters
> > currently do (Apache FOP, two commercial FO implementations I checked,
> > OpenOffice 2.0 and Word 2003).
> > 
> > Am I missing something or is this a problem in the spec?
> > 
> > For quick reference, here's the beginning of the character 
> > ranges making
> > up "Alphabetic" characters (from DerivedCoreProperties.txt, v4.1.0):
> > 
> > # Derived Property: Alphabetic
> > #  Generated from: Lu+Ll+Lt+Lm+Lo+Nl + Other_Alphabetic
> > 
> > 0041..005A    ; Alphabetic # L&  [26] LATIN CAPITAL LETTER 
> > A..LATIN CAPITAL LETTER Z
> > 0061..007A    ; Alphabetic # L&  [26] LATIN SMALL LETTER 
> > A..LATIN SMALL LETTER Z
> > 00AA          ; Alphabetic # L&       FEMININE ORDINAL INDICATOR
> > 00B5          ; Alphabetic # L&       MICRO SIGN
> > 00BA          ; Alphabetic # L&       MASCULINE ORDINAL INDICATOR
> > 00C0..00D6    ; Alphabetic # L&  [23] LATIN CAPITAL LETTER A 
> > WITH GRAVE..LATIN CAPITAL LETTER O WITH DIAERESIS
> > 00D8..00F6    ; Alphabetic # L&  [31] LATIN CAPITAL LETTER O 
> > WITH STROKE..LATIN SMALL LETTER O WITH DIAERESIS
> > 00F8..01BA    ; Alphabetic # L& [195] LATIN SMALL LETTER O 
> > WITH STROKE..LATIN SMALL LETTER EZH WITH TAIL
> > 
> > Thanks,
> > Jeremias Maerki
> > 
> > 
> > 



Jeremias Maerki
Received on Friday, 29 September 2006 14:42:30 GMT

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