[Bug 2493991] New: Liberation Mono font: hyphen is placed 30% too low, making it indistinguishable from underscore

https://bugzilla.redhat.com/show_bug.cgi?id=2493991

Bug ID: 2493991
           Summary: Liberation Mono font: hyphen is placed 30% too low,
                    making it indistinguishable from underscore
           Product: Fedora
           Version: 42
          Hardware: x86_64
            Status: NEW
         Component: liberation-fonts
          Assignee: [e-mail]
          Reporter: [e-mail]
        QA Contact: [e-mail]
                CC: [e-mail],
                    [e-mail], [e-mail],
                    [e-mail], [e-mail],
                    [e-mail]
  Target Milestone: ---
    Classification: Fedora

Created attachment 2146981
  --> https://bugzilla.redhat.com/attachment.cgi?id=2146981&action=edit
Screenshot highlighting pathological hyphen placement in Liberation Mono font

Description of problem:

In the Liberation Mono font distributed with Fedora 42 (and possibly everywhere
the font is distributed), the hyphen character is placed 30% too low relative
to the basic ASCII glyphs. It appears below the cross of a lowercase "x",
making it indistinguishable from an underscore when rendered at a usable size
(see screenshot). There are certain stylistic liberties available when crafting
a font, and this is not one of them. It is simply a bug to place the hyphen at
such a low position.

Version-Release number of selected component (if applicable):

liberation-fonts-all.noarch                          1:2.1.5-13.fc42
liberation-mono-fonts.noarch                         1:2.1.5-13.fc42
liberation-sans-fonts.noarch                         1:2.1.5-13.fc42
liberation-serif-fonts.noarch                        1:2.1.5-13.fc42

How reproducible:

Install and use the font.

Steps to Reproduce:
1. dnf install liberation-mono-fonts
2. select the Liberation Mono font in some application
3. type two words connected by a hyphen, then type two words connected by an
underscore

Actual results:

At a usable size, the two pairs of words appear identical.

Expected results:

Every font should place the hyphen at least parallel to the cross of a
lowercase "x", usually higher.

Additional info:

[Bug 2493991] Liberation Mono font: hyphen is placed 30% too low, making it indistinguishable from underscore

https://bugzilla.redhat.com/show_bug.cgi?id=2493991

Jens Petersen  changed:

What    |Removed                     |Added
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--- Comment #1 from Jens Petersen  ---
I can't reproduce in current Fedora Rawhide Workstation Live image.
Note also F42 is no longer supported.

More details are needed: what application are you using?
Maybe a screenshot.

You could try whichfont to get additional information perhaps.
Also maybe pango-view or gnome-text-editor.

Also the liberation fonts are very stable:
it seems highly unlikely they have started to misbehave.

[Bug 2493991] Liberation Mono font: hyphen is placed 30% too low, making it indistinguishable from underscore

https://bugzilla.redhat.com/show_bug.cgi?id=2493991

--- Comment #2 from Jens Petersen  ---
Also you desktop is probably quite relevant information.