Thanks for explanations
The text file for test:
Pattern for search: \nSetEnvironment
1 I Selected a pattern for search
2 I Press the button “Find”. In the field of “Find” I see a pattern from the previous search.
3 I Press the button “>”, I see noted the item “Select Text or Word at Cursor”
> Q1. Why my pattern wasn’t copied in the field of “Find”?
4 I Press the item “Select Text or Word at Cursor”, my pattern (\nSetEnvironment) it is copied in the field of “Find”
5 Now it is necessary to uncheck a mark in checkbox “In the Selection Only”.
> Q2. Why this mark wasn’t removed automatically?
> Q3. Why this option isn’t remembered for the following search?
6 I Press the button “Find All”. Search results were SELECTED. But after allocation removal they were NOT HIGHLIGHTED.
> Q4. Why there is no highlighted?
I repeat points 1…5
6 I Press the button “Extract All”. It is written in a status line: “7 matches are found.”, but I see in a new tab only 4 (lines: 3, 5, 6, 7)!
> Q5. Why?