In several Native American languages, nasal vowels are marked with an ogonek and can take an acute accent. I'm using XeLaTeX to put together a proceedings volume, and for some reason, I cannot get a lower-case with an ogonek and an acute accent to display properly; the tittle will always appear along with the acute.

In (15), we can see the problem. One workaround I've found is to use the dotless as a base and add the combining diacritics, like in (16), but the combining ogonek seems to stick out too far to the left and looks odd when next to another with an ogonek.

enter image description here

Is there a better solution to get an with an ogonek that simply is able to have the acute in place of the tittle, rather that have both the tittle and the acute accent appear at the same time?

Here is a MWE:




\item \glll šį́į blį́iyáu\\
    šį w-yį́=ao\\
    \textnormal{fat} 1a-\textnormal{be}=decl\\  
    \glt `I'm fat' 

\item \glll yiiškí hnáhnįao\\
    yi=škí Ø-y-ya-hnı̨́=ao\\
    2a=\textnormal{also} 3p-2a-ins-\textnormal{swallow}=decl\\
    \glt `you swallowed it, too' 



closed as off-topic by egreg, Mensch, Schweinebacke, Sebastiano, user36296 Jan 23 at 9:42

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  • Welcome to TeX.SE. Your setup is somewhat unclear. You mention that you use XeLaTeX, yet you load the fontenc, inputenc, and libertine packages. If instead of loading these three packages, you loaded the fontspec package and executed the instruction \setmainfont{Linux Libertine O}, your example appears to run correctly under both XeLaTeX and LuaLaTeX. Or am I missing something? Please advise. – Mico Nov 9 '18 at 6:34
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    There isn't really anything you can do. It's a bug in the font. If you want it fixed, you should switch from Linux Libertine to Libertinus and report the problem on the Libertinus bugtracker. – Henri Menke Nov 9 '18 at 6:35
  • Ah, I realize now what I was missing before: the issue with the acute accent interfering with the tittle shows up if the text is typeset in italics. (The upright font face seems to be ok.) Indeed, this must be a font bug. – Mico Nov 9 '18 at 7:01
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    never do \usepackage[T1]{fontenc} in xelatex that forces the use of legacy tex font encoding with 256 characters, not unicode fonts, and will give incorrect hyphenation. (although in this case you are lucky that the libertine package is detecting xetex and over-ruling this) – David Carlisle Nov 9 '18 at 7:46
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    I'm voting to close this question as off-topic because the issue is due to a bug in the font. – egreg Jan 23 at 8:35