NISO Z39.58 : 0

Foreword
1 Introduction
    1.1 Purpose
    1.2 Scope
2 Definitions
3 Conformance
4 Linguistic and typographical conventions
5 Implementation
6 General features and rules of syntax
    6.1 Command structure
    6.2 Command names
    6.3 Command name abbreviations
    6.4 Command specification components and format
          6.4.1 Components
          6.4.2 Format
    6.5 Separators
          6.5.1 Space and comma
          6.5.2 Semicolon
          6.5.3 Parentheses
    6.6 Uppercase and lowercase alphabetic character
          input
7 Summary descriptions of commands
    7.1 Command name: BACK
    7.2 Command name: CHOOSE
    7.3 Command name: DEFINE
    7.4 Command name: DELETE
    7.5 Command name: DISPLAY
    7.6 Command name: EXPLAIN
    7.7 Command name: FIND
          7.7.1 Qualifying search terms
          7.7.2 Character masking
                  7.7.2.1 Variable number of characters
                  7.7.2.2 Fixed number of characters
          7.7.3 Boolean operators
          7.7.4 Ranging operators
          7.7.5 Proximity operators
                  7.7.5.1 Word order specified
                  7.7.5.2 Word order not specified
          7.7.6 Order of precedence for evaluating
                  operators
          7.7.7 Restoration marks for use of reserved
                  words or symbols
    7.8 Command name: FORWARD
    7.9 Command name: HELP
    7.10 Command name: PRINT
    7.11 Command name: RELATE
    7.12 Command name: REVIEW
    7.13 Command name: SAVE
    7.14 Command name: SCAN
    7.15 Command name: SEE
    7.16 Command name: SET
    7.17 Command name: SORT
    7.18 Command name: START
    7.19 Command name: STOP
Appendixes
A - Formal description of command language syntax
    (Backus-Naur Form)
B - Examples of command expressions
Tables
1 - Operators, symbols and punctuation
2 - Summary of command names
3 - Illustration of the components of a FIND command
    expression