If you are copying from a text-mode app that does its own word-wrapping by inserting newlines or moving the insertion point, then it may not be possible for TMU

If you are copying from a text-mode app that does its own word-wrapping by inserting newlines or moving the insertion point, then it may not be possible for TMUX to undo that. Copying from shell output like `cat somefile` or `wget something`, however, works like it's supposed to.