Dear Hans,

Thank you for your concern.

I run the following command in the terminal.

mtxrun --script cache erase
      mtxrun generate

After that I compile “oepsmp.tex”.
But the pdf output is different from yours.

The first one(NotoSansKrregular) is correct, but the second one(notosanscjkregular) is overlapped text.

It is strange that in the usual output(of my code and Jean-Pierre’s code) CJK Kr font gives the correct output but just Kr font gives overlapped output.

I attached the pdf output in which body font is "Noto Serif CJK Kr”. There is no overlapping in the main text(page 2)
If I changed the body font to “Noto serif Kr”, then the overlapping is appeared.

I am using OS X 11.7.11 and the version of ConTeXt is 
ConTeXt  ver: 2026.01.08 23:30 LMTX  fmt: 2026.2.16

Thank you your concern.

Best regards,

Dalyoung

Attachment: oepsmp.pdf
Description: Adobe PDF document



2026. 2. 16. 오후 5:06, Hans Hagen via ntg-context <[email protected]> 작성:

On 2/16/2026 2:53 AM, Jeong Dal via ntg-context wrote:
Dear Jean-Pierre,
Thank you for your well arranged sample.
I got the same output.

I get the attached with the files from github. Can you explain the issue? (Did you wipe the font cache before testing this with updated fonts?)

2026. 2. 16. 오전 8:47, Jean-Pierre Delange via ntg-context <ntg- [email protected]<mailto:[email protected]>> 작성:

Wolfgang,

As usual, you spotted the problem. For my part, I tried to see if there was a real difference between processing with ‘legacy_outline’ and ‘lmtx_outline’ using the Noto Serif KR and Noto Sans KR fonts; in the display provided by Daleyoung, there is clearly a problem with overlapping characters, but I don't see it in the MWE (see attached PDF).

If you enlarge the output, you are able to see the overlapping.
After changing the font to CJK, there is no overlapping in the output.
If I add “\tfd”, then it is clear to see the difference.
{\bf Legacy (outlinetext.b)}\par
\blank[small]
\LegacyTitle{\tfd 알고리즘 (Algorithm)}\par
\blank[big]
{\bf Modern (lmt\_outline)}\par
\blank[small]
\ModernTitle{\tfd 알고리즘 (Algorithm)}\par
If you compare two outputs, you can see the difference.
Thank you for your testing.
Best regards,
Dalyoung
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