Description:
The line reveal animations are not tied to the lines themselves, but the line numbers. Example: there are 8 lines on the slide, add animation to reveal the last 4 lines on click. After inserting a new line at the beginning the animation becomes: first 4 lines and the 9th are immediately visible, lines 5-8 reveal on click.

This behaviour is extremely counter-intuitive. Every time I edit a slide with animations I have to re-do the animations from scratch.

Steps to Reproduce:
1. Have a slide with a few lines of text
2. Add animation for the last line
3. Insert a new line somewhere in the middle
4. Now the line before the last is animated

Actual Results:
Animations are messed up after editing the slide.

Expected Results:
Animations stay the same after editing.


Reproducible: Always


User Profile Reset: No

Additional Info:
Version: 7.4.1.2 / LibreOffice Community
Build ID: 40(Build:2)
CPU threads: 4; OS: Linux 5.19; UI render: default; VCL: x11
Locale: en-GB (en_GB.UTF-8); UI: en-GB
Debian package version: 1:7.4.1-1
Calc: threaded