ECMA 321 : 1ED 2001

1 Scope
2 Conformance
3 Reference
4 Definitions
  4.1 Control Symbol
  4.2 Copy Pointer
  4.3 data byte
  4.4 Data Symbol
  4.5 Displacement Field
  4.6 Encoded Data Stream
  4.7 Encoded Record
  4.8 End Marker
  4.9 End Of Record Symbol (EOR Symbol)
  4.10 File Mark
  4.11 File Mark Symbol
  4.12 Flush Symbol
  4.13 History Buffer
  4.14 Literal 1
  4.15 Literal 2
  4.16 Matching String
  4.17 Match Count
  4.18 Match Count Field
  4.19 Pad
  4.20 Record
  4.21 Record Segment
  4.22 Re-entry point
  4.23 Reset X Symbol
  4.24 Reset 1 Symbol
  4.25 Reset 2 Symbol
  4.26 scheme 1
  4.27 Scheme 1 Symbol
  4.28 scheme 2
  4.29 Scheme 2 Symbol
  4.30 user data
5 Conventions and Notations
  5.1 Representation of numbers
  5.2 Names
6 Acronyms
7 Algorithm Overview
  7.1 Scheme 1 Encoding
  7.2 Scheme 2 Encoding
  7.3 History Buffer
8 Encoding Specification
  8.1 User Data
  8.2 History Buffer
  8.3 Encoded Data Stream
       8.3.1 Re-entry Point
  8.4 Data Symbols
       8.4.1 Literal 1 Data Symbols
       8.4.2 Copy Pointer Data Symbols
       8.4.3 Literal 2 Data Symbols
  8.5 Control Symbols
  8.6 Pad

States a lossless compression algorithm to reduce the number of 8-bit bytes required to represent data records and File Marks. The algorithm is known as Streaming Lossless Data Compression algorithm (SLDC).