There is a useful Firefox addon called
Auto Context. At least, I find it useful. It automatically brings up the context menu when any text is selected. Usually, I select text because I want to copy it. So, I need the context menu.
It does present with one annoyance, but I can live with it. If you are selecting text in a BLOG post to create a link, you don't need the context menu. But, of course, you get it. However, you may proceed just as if it hadn't come up and all will be well.
firefox
