[Bug 2088665] New: Noto Sans is chosen to display symbol characters it doesn't contain

https://bugzilla.redhat.com/show_bug.cgi?id=2088665

            Bug ID: 2088665
           Summary: Noto Sans is chosen to display symbol characters it
                    doesn't contain
           Product: Fedora
           Version: 36
            Status: NEW
         Component: google-noto-fonts
          Assignee: tagoh(a)redhat.com
          Reporter: talk(a)danielflaum.net
        QA Contact: extras-qa(a)fedoraproject.org
                CC: fonts-bugs(a)lists.fedoraproject.org,
                    i18n-bugs(a)lists.fedoraproject.org,
                    petersen(a)redhat.com, psatpute(a)redhat.com,
                    pwu(a)redhat.com, tagoh(a)redhat.com
  Target Milestone: ---
    Classification: Fedora



Created attachment 1881507
  --> https://bugzilla.redhat.com/attachment.cgi?id=1881507&action=edit
A zipped sample PDF and image of relevant portion of PDF when affected by the
issue

Description of problem:
Given a PDF lacking embedded fonts which use certain characters (including →
and ≥), GNOME's Evince on Fedora 36 chooses to substitute the Noto Sans font,
which does not include these characters.

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


How reproducible:
Successfully reproduced by two people independently.


Steps to Reproduce:
1. Boot a fresh copy of Fedora 36 (the Live version in a VM will do).
2. Open the attached sample PDF in GNOME Evince (aka Document Viewer).
3. Observe the missing characters in the second paragraph from the top of the
page.

Actual results:
See attached image.

Expected results:
The missing characters should be displayed properly as → (that is,
https://unicode-table.com/en/2192/). 


Additional info:
The filer initially sought help at
https://ask.fedoraproject.org/t/missing-characters-in-pdfs-since-upgrade-...,
which may be informative in reproducing the issue.


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https://bugzilla.redhat.com/show_bug.cgi?id=2088665