Description:
When I type words, I have to change registr of some words in the text. I use for this purpose hotkey shift+F3. And It worked correct in LibreOffice 6.0. The registr of the choosen word was changed correct. But I updated LibreOffice's version to 6.3.4.2. And now when I change registr of the choosen word, the registr of other unchoosen words in article is changing too.

Steps to Reproduce:
1.Type some words.
2.Try to change the registr of one word by hotkey shift+F3 several time.
3.You will see, the registr of other unchoosen words are changing too.

Actual Results:
1.Type some words.
2.Try to change the registr of one word by hotkey shift+F3 several time.
3.You will see, the registr of other unchoosen words are changing too.

Expected Results:
The registr of other unchoosen words are changing too.


Reproducible: Always


User Profile Reset: No



Additional Info:
[Information automatically included from LibreOffice]
Locale: ru
Module: StartModule
[Information guessed from browser]
OS: Linux (All)
OS is 64bit: yes

Версия: 6.3.4.2
ID сборки: 1:6.3.4-0ubuntu0.18.04.1~lo2
Потоков ЦП: 4; ОС:Linux 5.3; Отрисовка ИП: по умолчанию; VCL: kde5; 
Локаль: ru-RU (ru_RU.UTF-8); Язык интерфейса: ru-RU
Calc: threaded