Scheme Request for Implementation 203,
"A Simple Picture Language in the Style of SICP,"
by Vladimir Nikishkin,
has gone into final status.

The document and an archive of the discussion are available at https://srfi.schemers.org/srfi-203/.

Here's the abstract:

This SRFI proposes a simple library for programmatic drawing of pictures compatible with Section 2.2.4 of Structure and Interpretation of Computer Programs.

It aims to close the gap between the Scheme suggested for study in the book and portable Scheme.

Here is the commit summary since the most recent draft:

• Clarify a "canvas" in the specification.
• Publish fourth draft.
• Grammar fixes and minor prose improvements.
• Add implied paragraph tags.
• Format single-line paragraph.
• Grammar fix.
• Eliminate trailing whitespace.
• Remove comments from 203.scm
• Fix dotted tail notation in draw-bezier.
• Remove draw-bezier.
• Remove tests for draw-bezier.
• Follow US Copyright Office recommendations.
• Link to SRFI 96.
• Credit Julie Sussman.
• Remove reference to now-removed Bezier code.
• Add "extra/README.org".
• Remove extraneous space.
• Add missing <DL>.
• Finalize.

Here are the diffs since the most recent draft:

https://github.com/scheme-requests-for-implementation/srfi-203/compare/draft-4..final

Many thanks to Vladimir and to everyone who contributed to the discussion of this SRFI.

Regards,


SRFI Editor