- in Dictionary, I am at the Wikipedia page for something; or
- in a Services-capable web browser such as Safari I select a phrase, then use the contextual menu to Look Up "…" (and that thing is found in Wikipedia).
Open the Wikipedia URL in the web browser. Ideally in a new tab or new window.
In the past, I could do so quickly – without multiple steps.
In Mountain Lion now, I can't do so. I doubt that the feature/routine is lost … more likely forgotten by me (I have used Mountain Lion for a few months, but I can't recall when I last used the Wikipedia routine outlined above).
How can I open quickly – in a web browser – a Wikipedia URL from Dictionary or from the Look Up "…" dialogue?