It's a real cool idea to compile everything down to lambda calculus and then you solve all semantics issues. (If something fits) you can convert 1:1, use general libraries in one language in others without loss etc. Ah, what a beautiful world it could be!
> A deliberate misspelling of lead, originally used in instructions given to printers to indicate which paragraphs constitute the lede, intended to avoid confusion with the word lead which may actually appear in the text of an article. Compare dek (“subhead”) (modified from deck) and hed (“headline”) (from head).
Further:
> In 1990, the American author and journalist William Safire (1929–2009) was still able to say: “You will not find this spelling in dictionaries; it is still an insiders' variant, steadily growing in frequency of use. […] Will lede break out of its insider status and find its way into general use? […] To suggest this is becoming standard would be misledeing […] But it has earned its place as a variant spelling, soon to overtake the original spelling for the beginning of a news article."
They never removed "don't be evil", they just changed where it is in the document.