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aliftype / xits

XITS - OpenType implementation of STIX fonts with math support
SIL Open Font License 1.1
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Double acute accent looks slightly off-center on "o" and "u" #92

Closed ghost closed 4 years ago

ghost commented 4 years ago

Describe the bug When typing the "o" and "u" letters with a double acute accent, the diacritic looks slightly off-center; this happens for every font shape and series, uppercase and lowercase.

To Reproduce Type "o" or "u" with a double acute accent.

Expected behavior The space between the two accents should be centered at the top of the glyph, not the second accent. Screenshots Here I show how XITS compared to TeX Gyre Termes and Latin Modern. doubleacute

Additional context This happens on TeXLive 2019 with LuaTeX 1.10 and XITS 1.301.

dbenjaminmiller commented 4 years ago

erdős You'll see this is different from how Times does things. Times actually uses a different accent — look at the height of the two! Compare the left (Linotype Times, I believe) with XITS/STEP on the right. I might change this in STEP (my fork — https://github.com/dbenjaminmiller/step on here) if there is a real problem. I am Hungarian after all! image Cf. also Nimbus Roman, shown here.

But look at Ű as well, both in Termes and Nimbus Roman, and I think that XITS/STEP's treatment is much preferable. But that's my personal opinion: I think it's not really a problem. I think Termes' looks too far right.

ghost commented 4 years ago

@dbenjaminmiller Thanks for sharing your thoughts on the matter. If the accent placement is just a stylistic choice and not an issue, then I am okay with leaving things as they are.

khaledhosny commented 4 years ago

Accent placement and shape often varies from language to another. I don’t have the capacity to research this right now, so unless there is a strong indication we are doing something that is completely wrong, I’d rather keep things the way they are.