The filling usually consists of sliced pickled gherkin, or green olive with pimento. A variation of the recipe adds stripes of pickled gherkin. Central to the Cucumber BDD approach is its ordinary language parser called Gherkin. The word "gherkin" comes from early modern Dutch, "gurken" or "augurken" for "small pickled cucumber". Gherkin is the language that Cucumber uses to define test cases. Squish is compatible with the Gherkin (domain-specific language) used in tools such as Cucumber. Languages that support docstrings include Python, Lisp, Elixir, Clojure, Gherkin, Julia and Haskell. Pliny the Elder describes the Italian fruit as very small, probably like a gherkin. The Gherkin features triangular windows on the outer skin which skelter up the skyscraper. In the Cockney dialect of London, this type of gherkin is called a "wally". The tower would be a similar shape to the Swiss Re "gherkin" tower in London. He was also the guitarist and songwriter for Gherkin Raucus and Xtra Large. The Stitch Up with former Slow Gherkin frontman James Rickman. The logo of the tour shows a smiling gherkin on a bicycle. The tests defined with Gherkin must then be implemented in a general programming language.