Description:
I recognized a strange display behaviour with the auto spell check and a combination of font and zoom level. The bug appeared to me first on a document with the font "Arial" and a zoom level of 140%. First it seemed, auto spell didn't work any more. After a lot of testing (different LO versions, resetting registry and so on) I found, that only the red wavy line on errors disappear in different combinations of font type and zoom level. So with "Arial" and "Liberation Sans" at 122% the indicator line disappears. With font "Monaco" this happens at zoom 102%. "AppleGothic" is on 100% (works only 99% and less).

Steps to Reproduce:
1. New Writer document
2. Set auto spell checking to on
3. Type some wrong written words (f.e.: fjlaf olajf asjfolajf asjf)
4. The wrong words get the red wavy lines
5. Increase the zoom level until the red wavy lines disappear.

Actual Results:
The indicator line for wrong written words of the disappears at a specific zoom level independent of the font you choose. You can format the document with different fonts and readjust the zoom level until the red line appears or disappears.

Expected Results:
The red indicator line for wrong words should be visible at any zoom level on every font.


Reproducible: Always


User Profile Reset: Yes

Additional Info:
[Information automatically included from LibreOffice]
Locale: de
Module: Writer
[Information guessed from browser]
OS: Mac OS X 13.2
OS is 64bit: yes

I'm not sure, if this bug raised with macos 13.2. Also, maybe the bug is on LO previous to 7.3.6.2. Cannot test this.