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FS#2712Text: question marks between asian glyphs if font does not support zero-width space

Type
Bug
Status
Closed
Resolution
Fixed
Category
QCAD (main)
Severity
Low
Priority
Low
Reported version
3.32.6
Operating system
All
Reported
2026-03-24 by tazfle
Closed
2026-03-24 by andrew

Hello, I am a QCAD Professional user.
Since version 3.32.5, multi-byte characters (e.g., Japanese) become garbled when entering multi-line text (Rich Text).
This issue can be reproduced using QCAD's unicode line font. It worked perfectly in version 3.32.4.

Steps to reproduce:

Start the "Text" command.

Uncheck "Simple Text".

Select the standard line font unicode.

Enter multi-byte characters (e.g., 富士山).

Actual Result:

Unwanted question marks are inserted (e.g., ?富?士?山?).
Please see the attached screenshots comparing the correct behavior in v3.32.4 and the bug in v3.32.6.

Expected Result:

Characters should display correctly as 富士山 without question marks.

Environment:

QCAD Pro: 3.32.5 - 3.32.6

OS: Windows 11 64-bit

Comments (2)

andrew 2026-03-24

Does the problem also occur with TrueType fonts such as Arial or similar? Thanks.

tazfle 2026-03-24

Hi Andrew,

Thanks for looking into this.

Yes, the problem also occurs with TrueType fonts. I tested it with Arial and Noto Sans JP on version 3.32.6, and the exact same issue happens (the text is garbled with unwanted ? inserted between the characters).

Please let me know if there is anything else I can test to help investigate.