Scheme - 2.
Lexical conventions Go to the first , previous , next , last section, table of contents .
This section gives an informal account of some of the lexical conventions used in writing Scheme programs. For a formal syntax of Scheme, see section 7.1 Formal syntax . Upper and lower case forms of a letter are never distinguished except within character and string constants. Most identifiers allowed by other programming languages are also acceptable to Scheme. 7.1.1 Lexical structure for a formal syntax of identifiers.