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bug #32326: Hozontal alignment incorrect for combining diacritics on dottedcircle

Submitter:  Pander <pander>
Submitted:  Wed 02 Feb 2011 02:30:29 PM UTC
   
 
Category:  character range Severity:  3 - Normal
Item Group:  letter positioning poor Status:  Fixed
Privacy:  Public Assigned to:  Stevan_White
Open/Closed:  Closed Release:  * 2010-09-19
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Wed 02 Feb 2011 09:32:56 PM UTC, comment #2: 

Hi Pander!

The OpenType font "features" in effect for these characters are 'mark' and 'mkmk' positioning, not kerning.

In the absence of these positioning features, the mark will be placed sort of over the previous character, but in an ill-informed way, that typically won't look good.  It usually works OK for the monospace faces for the obvious reason--until you try to put a mark over a capital letter, that is.

Anyway, I went ahead and put mark anchor points on U+25CC in the non-monospace faces that had that character.

Thanks for your report!

Steve White <Stevan_White>
Group administrator
Wed 02 Feb 2011 03:10:20 PM UTC, comment #1: 

According to this post:
  http://tug.org/pipermail/xetex/2011-February/019875.html
this might be an invalid bug report.

However, fixing this in kerning with U+25CC allows for nice presentation of all combining diacritics in these fonts.

Pander <pander>
Wed 02 Feb 2011 02:30:29 PM UTC, original submission:  

Hozontal alignment is incorrect for combining diacritics U+0300 - U+036F in FreeSerif and FreeSans. However they are correct for FreeMono.

This can be reproduced in version 1.344 of the fonts when running xelatex from TeX Live (latest version) on attachment.

Note that U+034f is a special case.

Please fix this in the next release.

Pander <pander>

 

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

Attach Files:
   
   
Comment:
   

Attached Files
file #22584:  fd.tex added by pander (1KiB - text/x-tex)
file #22585:  fd.pdf added by pander (34KiB - application/pdf)

 

Depends on the following items: None found

Items that depend on this one: None found

 

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    Follow 7 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2012-05-03 Stevan_White StatusFix posted Fixed
        Open/ClosedOpen Closed
    2011-02-02 Stevan_White StatusNone Fix posted
        Assigned toNone Stevan_White
        SummaryHozontal alignment incorrect for combining diacritics Hozontal alignment incorrect for combining diacritics on dottedcircle
    2011-02-02 pander Attached File- Added fd.tex, #22584
        Attached File- Added fd.pdf, #22585

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