SRFI 49: Indentation-sensitive syntax

by Egil Möller

status: final (2005-07-22)

keywords: Reader Syntax

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Abstract

This SRFI descibes a new syntax for Scheme, called I-expressions, whith equal descriptive power as S-expressions. The syntax uses indentation to group expressions, and has no special cases for semantic constructs of the language. It can be used both for program and data input.

It also allows mixing S-expressions and I-expressions freely, giving the programmer the ability to layout the code as to maximize readability.