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Chicken SRFI Support

5	5	4	4	3	3	SRFI	Status	Description
core	egg	core	egg	core	egg
Y		Y		Y		0	Final	Feature-based conditional expansion construct
	Y	Y		Y		1	Final	List Library
Y		Y		Y		2	Final	AND-LET*: an AND with local bindings, a guarded LET* special form
						3	Withdrawn	List-Set Library
Y	Y	Y		Y		4	Final	Homogeneous numeric vector datatypes
	Y					5	Final	A compatible let form with signatures and rest arguments
Y		Y		Y		6	Final	Basic String Ports (also see Unit ports for a generalisation)
						7	Final	Feature-based program configuration language
Y		Y		Y		8	Final	receive: Binding to multiple values
Y		Y		Y		9	Final	Defining Record Types
Y		Y		Y		10	Final	Sharp-Comma External Form
Y		Y		Y		11	Final	Syntax for receiving multiple values
Y	Y	Y		Y		12	Withdrawn	Exception Handling
	Y	Y		Y		13	Final	String Libraries
	Y	Y		Y		14	Final	Character-Set Library
Y		Y		Y		15	Withdrawn	Syntax for dynamic scoping
Y		Y		Y		16	Final	Syntax for procedures of variable arity
Y		Y		Y		17	Final	Generalized set! (also see heading 4.1.6 in "Extensions to the standard")
	Y	Y		Y		18	Final	Multithreading support
	Y		Y		Y	19	Final	Time Data Types and Procedures
						20	Withdrawn	Simple object system
						21	Final	Real-time multithreading support
						22	Final	Running Scheme Scripts on Unix
Y		Y		Y		23	Final	Error reporting mechanism
						24	Withdrawn	Define-syntax in local lexical scopes
	Y		Y		Y	25	Final	Multi-dimensional Array Primitives
Y		Y		Y		26	Final	Notation for Specializing Parameters without Currying
	Y		Y		Y	27	Final	Sources of Random Bits
Y		Y		Y		28	Final	Basic Format Strings
	Y		Y		Y	29	Final	Localization
Y		Y		Y		30	Final	Nested Multi-line Comments
Y		Y		Y		31	Final	A special form for recursive evaluation
						32	Withdrawn	Sort Libraries
						33	Withdrawn	Integer Bitwise-operation Library
	Y		Y		Y	34	Final	Exception Handling for Programs
	Y					35	Final	Conditions
						36	Final	I/O Conditions
	Y		Y		Y	37	Final	args-fold: a program argument processor
	Y		Y		Y	38	Final	External Representation for Data With Shared Structure
Y		Y		Y		39	Final	Parameter objects (also see the parameterize macro)
			Y		Y	40	Withdrawn	A Library of Streams
	Y		Y		Y	41	Final	Streams
	Y		Y		Y	42	Final	Eager Comprehensions
	Y		Y			43	Final	Vector library
						44	Final	Collections
	Y		Y		Y	45	Final	Primitives for Expressing Iterative Lazy Algorithms
Y		Y		Y		46	Final	Basic Syntax-rules Extensions (chicken 4.6.5 and newer)
	Y				Y	47	Final	Array
	Y					48	Final	Intermediate Format Strings
						49	Final	Indentation-sensitive syntax
						50	Withdrawn	Mixing Scheme and C
	Y					51	Final	Handling rest list
						52	Withdrawn	Permitting and Supporting Extended Character Sets
						53	Withdrawn	Syntactic computations with computation-rules
						54	Final	Formatting
Y		Y		Y		55	Final	require-extension
						56	Withdrawn	Binary I/O
						57	Final	Records
						58	Final	Array Notation
						59	Final	Vicinity
	Y		Y		Y	60	Final	Integers as Bits
Y		Y		Y		61	Final	A more general cond clause (see heading 2.2.1)
Y		Y		Y		62	Final	S-expression comments
	Y		Y			63	Final	Homogeneous and Heterogeneous Arrays
	Y					64	Final	A Scheme API for test suites
						65	Withdrawn	define-immutable: A Syntax to Define Identifiers With Immutable Values
	Y				Y	66	Final	Octet Vectors
	Y				Y	67	Final	Compare Procedures
						68	Withdrawn	Comprehensive I/O
	Y	Y		Y		69	Final	Basic hash tables
						70	Final	Numbers
	Y		Y			71	Final	Extended LET-syntax for multiple values
						72	Final	Hygienic macros
						73	Withdrawn	Exact Infinities
	Y					74	Final	Octet-Addressed Binary Blocks
						75	Withdrawn	R6RS Unicode data
						76	Withdrawn	R6RS Records
						77	Withdrawn	Preliminary Proposal for R6RS Arithmetic
	Y		Y			78	Final	Lightweight testing
						79	Withdrawn	Primitive I/O
						80	Withdrawn	Stream I/O
						81	Withdrawn	Port I/O
						82	Withdrawn	Stream Ports
						83	Withdrawn	R6RS Library Syntax
						84	Withdrawn	Universal Identifiers
					Y	85	Withdrawn	Recursive Equivalence Predicates
						86	Final	MU and NU simulating VALUES & CALL-WITH-VALUES
						87	Final	=> in case clauses
Y		Y		Y		88	Final	Keyword objects
					Y	89	Final	Optional positional and named parameters
	Y	Y		Y		90	Final	Extensible hash table constructor
						91	Withdrawn	Extended ports
						92	Withdrawn	ALAMBDA and ALAMBDA*
						93	Withdrawn	R6RS Syntax-Case Macros
						94	Final	Type-Restricted Numerical Functions
	Y		Y		Y	95	Final	Sorting and Merging
						96	Final	SLIB Prerequisites
						97	Final	SRFI Libraries
1,2		1,2				98	Final	An interface to access environment variables
	Y		Y			99	Final	ERR5RS Records
						100	Final	define-lambda-object
			Y			101	Final	Purely Functional Random-Access Pairs and Lists
			Y			102	Withdrawn	Procedure Arity Inspection
						103	Withdrawn	Library Files
						104	Withdrawn	Library Files Utilities
	Y					105	Final	Curly-infix-expressions
						106	Final	Basic socket interface
						107	Final	XML reader syntax
						108	Final	Named quasi-literal constructors
						109	Final	Extended string quasi-literals
						110	Final	Sweet-expressions (t-expressions)
	Y		Y			111	Final	Boxes
						112	Final	Environment Inquiry
	Y		Y			113	Final	Sets and bags
						114	Withdrawn	Comparators
						115	Final	Scheme Regular Expressions
	Y		Y			116	Final	Immutable List Library
	Y		Y			117	Final	Queues based on lists
						118	Final	Simple adjustable-size strings
						119	Final	wisp: simpler indentation-sensitive scheme
						120	Final	Timer APIs
	Y		Y			121	Withdrawn	Generators
						122	Final	Nonempty Intervals and Generalized Arrays
	Y		Y			123	Final	Generic accessor and modifier operators
						124	Final	Ephemerons
						125	Final	Intermediate hash tables
						126	Final	R6RS-based hashtables
	Y		Y			127	Final	Lazy Sequences
	Y		Y			128	Final	Comparators (reduced)
						129	Final	Titlecase procedures
	Y					130	Final	Cursor-based string library
						131	Final	ERR5RS Record Syntax (reduced)
						132	Final	Sort Libraries
	Y		Y			133	Final	Vector Library (R7RS-compatible)
						134	Final	Immutable Deques
	Y					135	Final	Immutable Texts
						136	Final	Extensible record types
	Y					137	Final	Minimal Unique Types
						138	Final	Compiling Scheme programs to executables
						139	Final	Syntax parameters
						140	Final	Immutable Strings
	Y					141	Final	Integer division
						142	Withdrawn	Bitwise Operations
	Y					143	Final	Fixnums
						144	Final	Flonums
	Y					145	Final	Assumptions
	Y					146	Final	Mappings
						147	Final	Custom macro transformers
						148	Final	Eager syntax-rules
						149	Final	Basic Syntax-rules Template Extensions
						150	Final	Hygienic ERR5RS Record Syntax (reduced)
	Y					151	Final	Bitwise Operations
	Y					152	Final	String Library (reduced)
						153	Withdrawn	Ordered Sets
						154	Final	First-class dynamic extents
						155	Final	Promises
						156	Final	Syntactic combiners for binary predicates
						157	Final	Continuation marks
	Y					158	Final	Generators and Accumulators
						159	Withdrawn	Combinator Formatting
	Y					160	Final	Homogeneous numeric vector libraries
						161	Final	Unifiable Boxes
						162	Final	Comparators sublibrary
						163	Final	Enhanced array literals
						164	Final	Enhanced multi-dimensional Arrays
						165	Final	The Environment Monad
						166	Final	Monadic Formatting
						167	Final	Ordered Key Value Store
						168	Final	Generic Tuple Store Database
						169	Final	Underscores in numbers
						170	Final	POSIX API
	Y					171	Final	Transducers
						172	Final	Two Safer Subsets of R7RS
	Y					173	Final	Hooks
						174	Final	POSIX Timespecs
						175	Final	ASCII character library
						176	Final	Version flag
						177	Withdrawn	Portable keyword arguments
						178	Final	Bitvector library
						179	Final	Nonempty Intervals and Generalized Arrays (Updated)
						180	Final	JSON
						181	Final	Custom ports (including transcoded ports)
						182	Withdrawn	ADBMAL
						183	Withdrawn	Another format procedure
						184	Withdrawn	define-record-lambda
						185	Final	Linear adjustable-length strings
						186	Withdrawn	Transcoders and transcoded ports
						187	Withdrawn	ALAMBDA and ADEFINE
						188	Final	Splicing binding constructs for syntactic keywords
	Y					189	Final	Maybe and Either: optional container types
						190	Final	Coroutine Generators
						191	Withdrawn	Procedure Arity Inspection
						192	Final	Port Positioning
	Y					193	Final	Command line
						194	Final	Random data generators
						195	Final	Multiple-value boxes
	Y					196	Final	Range Objects
	Y					197	Final	Pipeline Operators
						198	Withdrawn	Foreign Interface Status
						199	Withdrawn	POSIX errno manipulation
						200	Draft	Pattern Matching
						201	Draft	Syntactic Extensions to the Core Scheme Bindings
						202	Draft	Pattern-matching Variant of the and-let* Form that Supports Multiple Values
						203	Final	A Simple Picture Language in the Style of SICP
						204	Draft	Wright-Cartwright-Shinn Pattern Matcher
						205	Draft	POSIX Terminal Fundamentals
						206	Draft	Auxiliary Syntax Keywords
	Y					207	Final	String-notated bytevectors
						208	Draft	NaN procedures
						209	Draft	Enumerations and Enum Sets
						210	Draft	Procedures and Syntax for Multiple Values
						211	Draft	Scheme Macro Libraries
						212	Draft	Aliases
						213	Draft	Identifier Properties
						214	Draft	Flexvectors
						215	Draft	Central Log Exchange
						216	Draft	SICP Prerequisites (Portable)