Copy n paste in raw text

Copy n paste works fine on regular HTML pages, but I cannot select multiple words in text files like those common on gamefaqs.com ( see link below for an example ). I can select a single word, but whenever I try to drag the delimiters to select multiple words, it fails.

http://www.gamefaqs.com/ps3/961764-scott-pilgrim-vs-the-world/faqs/60744