[Libreoffice-bugs] [Bug 116522] New: Font Replacement Table does not allow ligatureless fonts

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=116522

            Bug ID: 116522
           Summary: Font Replacement Table does not allow ligatureless
                    fonts
           Product: LibreOffice
           Version: 6.0.2.1 release
          Hardware: All
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: LibreOffice
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: Harry.dent at dvltech.com

Description:
While searching for a workaround for
https://bugs.documentfoundation.org/show_bug.cgi?id=116490, I found that it was
possible to prevent ligatures being added between characters by appending
`:-liga` to the name of the current font. 

I now wish to define replacements in the Font Replacement Table (Tools >
Options > LibreOffice > Fonts) such that e.g. "SomeFont Sans" -> "SomeFont
Sans:-liga". This does not work - the font still contains ligatures after its
replacement is added to the table.

N.B. Replacing two normal fonts works e.g. "DejaVu Sans" -> "Verdana"

Steps to Reproduce:
1. Create a new document containing the word "final" in font "DejaVu Sans"
2. Select "final" and change the font to "DejaVu Sans:-liga"

3. Create a new document exactly like the first
4. Add "DejaVu Sans" -> "DejaVu Sans:-liga" to the Font Replacement Table
(Tools > Options > LibreOffice > Fonts)

Actual Results:  
The "fi" in the first document contains a ligature, but not in the second
document

Expected Results:
The "fi" in both documents should not contain a ligature


Reproducible: Always


User Profile Reset: No



Additional Info:
For testing, other combinations of letters than contain ligatures include ft,
ff, tt, tf, ti, fj...


User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like
Gecko) Ubuntu Chromium/64.0.3282.167 Chrome/64.0.3282.167 Safari/537.36

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