Syntax

# Appendix A Syntax

- Introduction
- Notation
  - Character Classes
  - Groups of characters
  - Valid Tokens
  - Escape Sequences within Strings and Atoms
- Formal definition of clause syntax
  - Comments
  - Operators
  - Operator Ambiguities
- Syntax Differences between ECLiPSe and other Prologs
- Changing the Parser behaviour
- Short and Canonical Syntax

1
  Quotes, on the other hand, are used to build atoms from characters with different or mixed character classes; they do not change the precedence of operators