David Van Horn wrote:
Robby Findler wrote:
I tried to follow the steps with collects/drscheme/private/rep.ss and
couldn't make it fail. Specifically, I hit return on the second line
(making the buffer modified) and then check syntax; I waited until it
was in "coloring" mode (according to the status line) and then hit
cmd-s (for save) and nothing bad happened. I only tried it about 4
times, tho, so maybe I just didn't try enough?
The problem occurs for me even if I click Save just once, although there
is a time delay between clicking and the error.
Here is a small program that I can use to consistently reproduce the
problem.
Save both files into the same directory. Open wait-student.ss in
DrScheme. Insert a space (modifying the file). Now press Check Syntax
and quickly press Save (once will do).
This program uses wait.ss to cause an expansion time delay, giving you a
chance to save while check syntax is running.
David
#lang scheme
(define-syntax (wait stx)
(sleep 3)
#''done)
(wait)
;; The first three lines of this file were inserted by DrScheme. They record
metadata
;; about the language level of this file in a form that our tools can easily
process.
#reader(lib "htdp-intermediate-reader.ss" "lang")((modname wait-student)
(read-case-sensitive #t) (teachpacks ()) (htdp-settings #(#t constructor
repeating-decimal #f #t none #f ())))
(require "wait.ss")
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