pdf export breaks Thai text

[Co9ski]

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Describe the bug
A text in Thai language gets corrupted when exported into PDF format, particularly when dealing with glyph(s) above or below a consonant glyph.

To Reproduce
Steps to reproduce the behavior:

1. have some Thai text present in the file.
2. Go to 'file > export as > PDF'
3. tick 'crop', click 'Export'
4. Use any pdf reader to check the text embedded in the print.

Expected behavior
Thai text gets partially corrupted. Space added and characters repeated a few times around the affected combination of glyphs.

Screenshots

draw.io version (In the Help->About menu of the draw.io editor):

• draw.io version 24.2.2

Desktop (please complete the following information):

• OS: Ultramarine Linux (Fedora-based)
• Browser Firefox for Fedora (tested on google chrome: same issue)
• Browser Version 121.04

I tested the problem in incognito/private mode with all browser extensions switched off, write "yes" below:

• yes

Additional context
Some emoji failed to display, but the embedded works.

[davidjgraph]

Please attach a diagram that recreates the issue.

[Co9ski]

github won't let me paste xml files. i hope this will do
https://drive.google.com/file/d/1_N83rP1nIpQLJpuf3Ygq1m8JDSWqKp9N/view?usp=sharing

[davidjgraph]

I would try print to PDF instead instead. I assume you're using a specific font family that the export server doesn't have installed.