1. Use Ctrl+ mouse - temporary for file or use format / Font for global
permanent change

2. Program settings / Files - activate save file state or in the Program
settings / Program 1 activate option R/O mode changes file attribute

3. I am not sure about it. Ctrl+E is incremental search for fast search

4. Duplicates can be in any part of file. It means such prompts will be chaotic
and repeating.

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