[Bug 851950] New: Latin ligatures need 'liga' standard ligature lookups

[Red Hat Bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=851950

            Bug ID: 851950
        QA Contact: extras-qa(a)fedoraproject.org
          Severity: low
           Version: 17
          Priority: unspecified
                CC: fonts-bugs(a)lists.fedoraproject.org,
                    i18n-bugs(a)lists.fedoraproject.org,
                    petersen(a)redhat.com, psatpute(a)redhat.com
          Assignee: psatpute(a)redhat.com
           Summary: Latin ligatures need 'liga' standard ligature lookups
        Regression: ---
      Story Points: ---
    Classification: Fedora
                OS: All
          Reporter: deron.meranda(a)gmail.com
              Type: Bug
     Documentation: ---
          Hardware: All
        Mount Type: ---
            Status: NEW
         Component: liberation-fonts
           Product: Fedora

Description of problem:
Glyphs in the Latin Ligature block (U+FB00 .. U+FB06), such as "fi" and
"fl",
should have the OpenType 'liga' lookup features defined. That will allow text
renderers to automatically apply the ligature glyph.

Additionally, for completeness, the ligature caret horizontal positions should
be appropriately set for these glyphs.


Version-Release number of selected component (if applicable):
liberation-fonts-2.00.0

Additional info:
You may need to solve bug #851790 first.

Also the "fi" (and "ffi" if existing) should exclude dotless-i
scripts/languages, e.g., Turkish.

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[Bug 851950] Latin ligatures need 'liga' standard ligature lookups

[Red Hat Bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=851950

Pravin Satpute <psatpute(a)redhat.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |MODIFIED

--- Comment #1 from Pravin Satpute <psatpute(a)redhat.com&gt; ---
Yes, we can enable it.
But i think enabling it will loose metric compatibility with Times New Roman
and Arial.

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[Bug 851950] Latin ligatures need 'liga' standard ligature lookups

[Red Hat Bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=851950

Pravin Satpute <psatpute(a)redhat.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
              Flags|                            |needinfo?(deron.meranda@gma
                   |                            |il.com)

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[Bug 851950] Latin ligatures need 'liga' standard ligature lookups

[Red Hat Bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=851950

Pravin Satpute <psatpute(a)redhat.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|MODIFIED                    |CLOSED
         Resolution|---                         |NOTABUG
              Flags|needinfo?(deron.meranda@gma |
                   |il.com)                     |
        Last Closed|                            |2012-10-05 01:02:25

--- Comment #2 from Pravin Satpute <psatpute(a)redhat.com&gt; ---
closing, please reopen if required.

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[Bug 851950] Latin ligatures need 'liga' standard ligature lookups

https://bugzilla.redhat.com/show_bug.cgi?id=851950

Krasnaya Ploshchad’ <shanshandehongxing_1234(a)hotmail.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |shanshandehongxing_1234@hot
                   |                            |mail.com



--- Comment #3 from Krasnaya Ploshchad’ <shanshandehongxing_1234(a)hotmail.com&gt; ---
In Windows 10 Times New Roman and Arial does not has 'liga' feature for ff, fi,
fl, tz and so on, they using 'dlig' feature instead.

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