bugGNU TeXmacs - Bugs: bug #64989, Spacing Issue with Uppercase...

 
 

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bug #64989: Spacing Issue with Uppercase "N" in bbold Font with Linux Libertine

Submitter:  Hagi <hagi>
Submitted:  Wed 06 Dec 2023 03:14:37 PM UTC
   
 
Category:  Editor Priority:  5 - Normal
Item Group:  Wishlist Status:  Confirmed
Privacy:  Public Assigned to:  None
Originator Name:  Open/Closed:  Open
Release:  None Release:  2.1.2
Fixed Release:  None Fixed Release: 
Keywords: 

Discussion

Wed 17 Sep 2025 10:01:37 PM UTC, comment #2: 

Thank you for your reply. Using a macro is also my temporary solution. I wonder if this issue could be resolved by updating the corresponding font files, since I cannot reproduce it when writing LaTeX. Because the blackboard-bold ℕ is commonly used to denote the set of natural numbers, which appears very frequently in math writing, I would greatly appreciate a solution that doesn’t rely on macros.

Hagi <hagi>
Thu 10 Jul 2025 09:09:55 AM UTC, comment #1: 

The extra space is defined by the font. It is not introduced by TeXmacs.
Please use something like <clipped|\<bbb-N\>|||1em|> (via a macro).

Grégoire Lecerf <lecerf>
Group Member
Wed 06 Dec 2023 03:14:37 PM UTC, original submission:  

When the document font is set to Linux Libertine, in the math mode the uppercase letter "N" in blackboard bold style (inputted through double-clicking Shift+N) shows unexpected additional blank space after it. In contrast, other letters in the same settings appear without issue.

In the attached file and screenshot, you can observe the noticeable extra blank space when comparing the letter "N" to the underline beneath it.

Hagi <hagi>

 

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    History

    Follow 4 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2025-07-10 lecerf Item GroupError Wishlist
        StatusNone Confirmed
    2023-12-06 hagi Attached File- Added Spacing@Issue@with@Uppercase@N@in@bbold@Font@with@Linux@Libertine.png, #55409
        Attached File- Added Spacing@Issue@with@Uppercase@N@in@bbold@Font@with@Linux@Libertine.tm, #55410

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