More info: It's actually copying extra characters. Apparently, this html is causing the problem:
<blockquote> <p>text blah blah blah... The <blockquote>, newline, space, <p> cause it to add a few extra newline characters to the copied text. This happens sometimes if I extend the selection before the beginning of the line, in which case a browser will generally add a newline, but this case happens even if I very carefully only select the text. As long as the first character of the line is selected, it adds the newlines and other whitespace to the clipboard too. It seemed it wasn't pasting anything because it was being pasted into a single-line text box (the url field of the browser), which ignores anything after the first pasted newline. In other testing I got it to add a few extraneous space characters before or after any selected text I copied, too. That's about all I know about it. --Mark
