[id: ydrrkkgijxxnjupd] i(standard function $x) && eval(isIdentifier($x)) => evalOutput(snippetURLWithTitle(lookupNL(stdFunctions_cached(), $x)))
[id: ydrrkkgijxxnjupd] input(standard function $x) && eval(isIdentifier($x)) && $_1 = eval(snippetURLWithTitle(lookupNL(stdFunctions_cached(), $x))) => output($_1)