Description:
I've noticed that with a big or complex enough presentation the program might crash if one searches for white space such as ' ' from the whole document (using Find All).

I have not been able to produce a crashing example presentation, but a presentation I was making for university did have this problem. I cannot use it for demonstration of the bug though.

I would therefore also welcome people to seek this sort of bug. It's likely about running out of memory and crashing, but it could be about something more and it could be about more than just searches within text elements (e.g. if the presentation has pictures etc.).

It's evident that searching for ' ' seems far more intensive than searching for any single character like 'a' or 'r'. I do not understand why, but a possible explanation could be that it finds ' ' from pictures or something else too.

Steps to Reproduce:
1. Have some certain type of complex presentation of e.g. 30 slides at least
2. Ctrl+f and type one space in the search box (the character ' '), then Find All (from the entire document)
3. The program stops responding and will not return unless one force quits it

Actual Results:
The program stops responding and will not return unless one force quits it.

Expected Results:
The program displays an "out of memory" error and/or stops the search, if the search is too intensive or crashes for some other reason.


Reproducible: Always


User Profile Reset: No

Additional Info:
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