bugFree UCS Outline Fonts - Bugs: bug #22829, when forming a square with '|'...


bug #22829: when forming a square with '|' characters the square is not fully closed

Submitted by:  None
Submitted on:  Fri Apr 4 07:53:24 2008  
Category: overall font problemSeverity: 3 - Normal
Item Group: letter positioning poorStatus: Proceeding
Privacy: PublicAssigned to: Steve White <Stevan_White>
Open/Closed: OpenRelease: development

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Mon Apr 7 19:56:12 2008, comment #4:


If I were to fix only major bugs, the thing would still be buggy.

You are not the only person to have noticed this issue. It is a recurring complaint. But this is the only bug I have open on the specific topic right now, so it will stay until I have it fixed.

I spent a lot of time this weekend reducing the size of some of the Latin characters with tall accents. I hope that if I can reduce the size of the Georgian range in FreeMono, that I can close up the gap between lines.


Steve White <Stevan_White>
Project AdministratorIn charge of this item.
Mon Apr 7 07:30:19 2008, comment #3:

ok, it's alright, the problem is really minor (square -box- graphics are not often used) and, indeed, other fonts have problems too when displaying these boxes
Thank you,
Francisco J. Gaztelua

Fri Apr 4 17:43:53 2008, comment #2:


This is a known issue.

It is a combination of a poor font format specification, with the dual purposes of wanting characters from all over Unicode, and then wanting the line height to be somehow regular.

The specification doesn't really give a way to specify the line height. There are some parameters, but they are interpreted differently by different applications and systems. I can use them to effect a line height, but at the expense of many of the tall and low characters being chopped on some systems.

I haven't found a solution to the problem yet.

What you are seeing is the result of my compromise: I set the line height to be about 15% higher than it was, so that most of the characters in the font are usable on most systems.

Steve White <Stevan_White>
Project AdministratorIn charge of this item.
Fri Apr 4 08:19:18 2008, comment #1:

Hello again,
this is not related to my special PPP desktop configuration: in the normal configuration also occurs.
Best Regards,
Francisco J. Gaztelua

Fri Apr 4 07:53:24 2008, original submission:


When forming a square with graphics characters the square is not vertically closed because the '|' characters don't touch each other; a screen shot is attached.

This occurs on this environment:

Windows XP Professional
font version: FreeMono 1.66 (I think it wasn't happening earlier but not sure)
format: OTF and TTF
program: PuTTY
character size: all

Best Regards,
Francisco J. Gaztelua



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

Attach File(s):

Attached Files
file #15403:  square.zip added by None (53kB - application/x-zip-compressed)


Depends on the following items: None found

Items that depend on this one: None found


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    Follow 5 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Mon Apr 7 19:56:12 2008Stevan_WhiteStatusConfirmed=>Proceeding
    Fri Apr 4 17:43:53 2008Stevan_WhiteItem GroupNone=>letter positioning poor
      Assigned toNone=>Stevan_White
    Fri Apr 4 07:53:24 2008NoneAttached File-=>Added square.zip, #15403

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