History of the Reading on Local Bindings with let

Wednesday, February 26, 1997 [John Stone]

• Created

Friday, March 17, 2000 [John Stone]

• Last revised.
• This version available at http://www.cs.grinnell.edu/~stone/courses/scheme/spring-2000/local-bindings.xhtml.

Monday, 2 October 2000 [Samuel A. Rebelsky]

• Removed problems.
• Added some text.
• Some other modifications.
• This version available at http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2000F/Readings/local-binds.html.

Thursday, 22 February 2001 [Samuel A. Rebelsky]

• Some minor formatting changes.
• Added some more introductory text to the section on let*.

Friday, 23 February 2001 [Samuel A. Rebelsky]

• Added introductory stuff on naming via procedure calls.
• Added more examples.
• Extended the remove-all example.
• This version available at http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2001S/Readings/let.html.

Thursday, 3 November 2002 [Samuel A. Rebelsky]

• Slight reformatting.
• This version available at http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2002F/Readings/let.html.

Thursday, 30 January 2003 [Samuel A. Rebelsky]

• Slight reformatting.
• Added comment in local procedures section about two places for let.
• This version available at http://www.cs.grinnell.edu/~rebelsky/Courses/CS153/2003S/Readings/let.html.

Monday, 24 February 2003 [Samuel A. Rebelsky]

• Reformatted slightly.
• Moved history to a separate document.
• This version available at http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2003S/Readings/let.html.

Friday, 3 October 2003 [Samuel A. Rebelsky]

• Added summary.
• This version available at http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2003F/Readings/let.html.

Sunday, 24 September 2006 [Samuel A. Rebelsky]

• Added link to PDF version.
• Replaced unmotivated "square of average" example with the overused, but nonetheless interesting, "roots of quadratic" example.
• Started to rewrite the procedure section to deal with relationship of let and lambda.
• Other, mostly minor, changes.

Monday, 25 September 2006 [Samuel A. Rebelsky]

• Moved ordering of let and lambda to a separate section.
• Updated the local procedures seciton.
• Other, mostly minor, changes.
• This version available at http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2006F/Readings/let.html.

Tuesday, 13 February 2007 [Samuel A. Rebelsky]

• Minor updates.
• This version available at http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2007S/Readings/let.html.

Saturday, 13 October 2007 [Samuel A. Rebelsky]

• Replaced quadratic example with a color-based example.
• Other, minor, updates.
• This version available at http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2007F/Readings/let-reading.html.