I often copy a code snippet from a SSH terminal session where i'm logged in to some remote server and have a file opened in vim, for example to paste it here into an answer at SO. It frequently happens, that the code is padded with trailing spaces to match the terminal width.

Whereas i've seen this on both, my Ubuntu and Windows machines (using putty) i think, it doesn't happen always. I was not able to figure out when it happens, though.

So i wonder how i can avoid those trailing spaces which i have to remove manually all the time in the textarea, where i copy it to.

Note, that the files do not have trailing spaces on the server! It only happens if i select and copy some text.