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.

• Category: Dynamically typed

• Various

  nothing needed	breaking lines (useful when end-of-line and/or indentation has a special meaning)
  %	commenting (until end of line)
  lt gt le ge	comparison
  eq ne	equality / inequality (shallow)
  def	variable assignment or declaration (assignment)

  Unknown:

  documentation comment
  information about the current line and file
  tokens (case-sensitivity (keywords, variable identifiers...))
  tokens (what is the standard way for scrunching together multiple words)
  tokens (variable identifier regexp)
  comparison (min / max (binary or more))
  runtime evaluation
  force garbage collection

• Functions

  { ... } (arguments are in the stack	anonymous function
  a b ... f	function call
  f	function call (with no parameter)
  /f { ... } def	function definition

  Unknown:

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

• Control Flow

  / exit	breaking control flow (continue / break)
  c ... if	if_then
  c b1 b2 ifelse	if_then_else
  10 -1 1 ... for	loop (for each value in a numeric range, 1 decrement)
  1 1 10 ... for	loop (for each value in a numeric range, 1 increment (see also the entries about ranges))
  1 2 10 ... for	loop (for each value in a numeric range, free increment)
  loop	loop (forever loop)

  Unknown:

  loop (while condition do something)
  loop (do something until condition)
  loop (for "a la C" (while + initialisation))
  exception (throwing)
  exception (catching)

• Package, Module

  Unknown:

  package scope
  declare
  import

• Strings

  s 0 get	character to ascii
  cvs	convert something to a string (see also string interpolation)
  search	locate a substring
  length	string size
  (...)	strings (with no interpolation of variables)

  Unknown:

  character "z"
  strings (with interpolation of variables)
  strings (end-of-line (without writing the real CR or LF character))
  multi-line
  serialize (marshalling)
  unserialize (un-marshalling)
  sprintf-like
  simple print
  string equality & inequality
  string concatenation
  duplicate n times
  upper / lower case character
  uppercase / lowercase / capitalized string
  ascii to character
  accessing n-th character
  extract a substring
  locate a substring (starting at the end)

• Booleans

  false	false value
  not(1)	logical not
  or / and	logical or / and (non short circuit (always evaluates both arguments))
  true	true value

• Bags and Lists

  forall	for each element do something
  [ a, b, c ](2)	list constructor
  length	list size
  a i get(3)	list/array indexing

  Unknown:

  list concatenation
  list flattening
  adding an element at the beginning (list cons)
  adding an element at index
  adding an element at the end
  first element
  all but the first element
  last element
  get the first element and remove it
  get the last element and remove it
  is an element in the list
  smallest / biggest element
  join a list of strings in a string using a glue string
  iterate with index
  remove duplicates
  sort
  reverse

• Various Data Types

  h k get	dictionary (access: read)
  h k o put	dictionary (access: write)
  << a b c d >>	dictionary (constructor)
  known	dictionary (has the key ?)
  undef	dictionary (remove by key)

  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)
  reference (pointer) (creation)
  reference (pointer) (dereference)
  optional value (null value)
  optional value (value)
  optional value (null coalescing)
  record (selector)
  dictionary (list of keys)
  dictionary (list of values)
  dictionary (merge)
  range

• Mathematics

  add / sub / mul / idiv div	addition / subtraction / multiplication / division
  and / or / xor	bitwise operators (and / or / xor)
  not	bitwise operators (bitwise inversion)
  bitshift	bitwise operators (left shift / right shift / unsigned right shift)
  exp	exponentiation (power)
  log	logarithm (base 10)
  ln	logarithm (base e)
  mod	modulo (modulo of -3 / 2 is -1)
  neg	negation
  sqrt / / abs	square root / e-exponential / absolute value
  sin / cos /	trigonometry (basic)
  / / atan	trigonometry (inverse)
  truncate / round / floor / ceiling	truncate / round / floor / ceil
  / round / floor / ceiling	truncate / round / floor / ceil

  Unknown:

  numbers syntax (integers)
  numbers syntax (integers in base 2, octal and hexadecimal)
  numbers syntax (floating point)
  random (random number)
  random (seed the pseudo random generator)

Remarks

• (1) Smalltalk: postfix operator
• (2) new in PHP 5.4
• (3) for write access: a i o put