i am experiencing some strange behavior with copy and paste.
On Document A I can do a CTL -A , CTL -C; followed by a CTL -A, CTL -V, on document B; to create a mirror document.
The problem lies with copying and pasting individual words; or groups of words.
I used to SIMPLY double-left-click; highlight; and then copy a word in document A; followed by double-left-clicking; and highlighting the target word in document B; followed by a paste command.
NOW if I double-left-click the word BIG in document A; and then do a CTL -C; followed by double-left-clicking the word SMALL in document B; followed by a CTL -V; the word SMALL quickly disappears, and then reappears.
An ordinary copy and paste will work if I double-left-click; highlight; and then copy a word in document A; followed by positioning the cursor before the target word, in Document B; with a SINGLE left click; being careful not to highlight it with the click; and then do a paste command; followed by a deletion of the old word.
A WORK-AROUND I found for copy, cut, and paste is to position the cursor before BIG, in Document A; with a SINGLE left click; being careful not to highlight it with the click; and while HOLDING the left button down, highlight the word BIG. I then did a CTL -C. Then I positioned the cursor before the word SMALL, in Document B; with a SINGLE left click; being careful not to highlight it with the click; and while HOLDING the left button down, highlighted the word SMALL. I then did a CTL -V. The word SMALL changed to the word BIG.
After extensive Google searches, I believe that this has something to do with what had control of the clipboard last.
Before all of this strange behavior, I could cut a section of words; do a CTL -f to find the new insertion point; and then do a paste.
NOW, if I do a cut; and a CTL -F; I lose what was in the cut; and paste only what I searched for with CTL -f.
Different results occur after highlighting an entire document with CTL -A; and highlighting a word, or group of words, with a double-click.
CAN ANYONE HELP?

So, you have two documents open in LibreOffice writer. You copy some text from one document, then you highlight some text in the other document. Then you paste into the other document, but the paste doesn't work?

I just tried it, and it worked perfectly. Try using the keyboard shortcuts for copy and paste.

Again, for example, if I highlight the word SEEK in A, with a double left click; followed by a CTL -C; and then highlight the word AND in B, with a double left click; followed by a CTL -V; the word AND then disappears, and then reappears.
From the article in https://www.gnu.org/software/emacs/m...Clipboard.html, it has something to do with who "owned" the clipboard last.

What I can say is, here with LO Version: 5.1.6.2 (Build ID: 1:5.1.6~rc2-0ubuntu1~xenial2), on Ubuntu Mate 16.04, I was not able to reproduce your issue, even strictly repeating your steps. Pasting just pastes...
H.

@edhe1,

You seem to be using emacs documentation. Are you copying from LibreOffice writer into emacs?

Yes, I am.