The "Unknown:"s below indicate that an entry is incomplete.

• either the entry exist in the language, and please tell.
• either the entry doesn't exist in the language, and please tell so. The entry will be marked as such and won't appear as missing anymore.

See the various entries for Scheme

• Category: Dynamically typed, Functional

• Various

  Unknown:

  information about the current line and file
  tokens (case-sensitivity (keywords, variable identifiers...))
  comparison (returns 3 values (i.e. inferior, equal or superior))
  force garbage collection

• Functions

  Unknown:

  function called when a function is not defined (in dynamic languages)
  runtime inspecting the caller information
  function composition
  identity function

• Control Flow

  with-exception-handler or guard	exception (catching)
  raise	exception (throwing)

  Unknown:

  loop (for each value in a numeric range, 1 increment (see also the entries about ranges))
  loop (for each value in a numeric range, 1 decrement)
  loop (for each value in a numeric range, free increment)
  loop (for "a la C" (while + initialisation))
  breaking control flow (returning a value)
  breaking control flow (goto (unconditional jump))
  breaking control flow (continue / break)

• Package, Module

  Unknown:

  package scope
  declare
  import

• Strings

  Unknown:

  strings (with interpolation of variables)
  strings (end-of-line (without writing the real CR or LF character))
  convert something to a string (see also string interpolation)
  serialize (marshalling)
  unserialize (un-marshalling)
  duplicate n times
  locate a substring
  locate a substring (starting at the end)

• Bags and Lists

  Unknown:

  list flattening
  adding an element at index
  adding an element at the end
  get the first element and remove it
  get the last element and remove it
  join a list of strings in a string using a glue string
  iterate with index

• Various Data Types

  Unknown:

  tuple constructor
  computable tuple (these are a kind of immutable lists playing a special role in parameter passing) (empty tuple)
  computable tuple (these are a kind of immutable lists playing a special role in parameter passing) (1-uple)
  computable tuple (these are a kind of immutable lists playing a special role in parameter passing) (using a tuple for a function call)
  optional value (null value)
  record (selector)
  dictionary (constructor)
  dictionary (access)
  dictionary (has the key ?)
  dictionary (remove by key)
  dictionary (list of keys)
  dictionary (list of values)
  dictionary (merge)
  range

• Mathematics

  Unknown:

  random (random number)
  random (seed the pseudo random generator)
  logarithm (base 10)
  bitwise operators