Selecting and copying content form messages copies long internal javscript

Sometimes when I want to copy just some part of some message, I select it and copy it with Control+c. Sometimes, I get additional really long content copied to my clipboard that seems to be part of the T3 chat html/javscript, I think this only happens when I select from the middle to the end of the message while copying the space there is at the end of the message, this space:

but I’m not sure about this, just a hunch. Attached is an example of the text I copied, it’s so long it doesn’t want to get pasted here lol