bugMIT/GNU Scheme - Bugs: bug #44253, "REPL needs response..."...

 
 

bug #44253: "REPL needs response..." Edwin (Scheme 9.0 and 9.2) problem with Win 7

Submitted by:  Ray Artz <rayartz>
Submitted on:  Sat 14 Feb 2015 08:47:31 PM UTC  
 
Category:  edwin Severity:  3 - Normal
Priority:  5 - Normal Item Group:  None
Status:  None Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Open
Keywords: 

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Sat 14 Feb 2015 09:09:53 PM UTC, comment #1:

After further experimentation, I found that C-c C-c would get me "unstuck" so I could proceed with further evaluations. It still seems to me that my system is exhibiting incorrect behavior, but at least this "work-around" (together with using 9.0 to avoid the file-read problem discussed in a different thread) makes my Win 7 system usable so I can use it to work through the Functional Differential Geometry text by Sussman, et. al.

Ray Artz <rayartz>
Sat 14 Feb 2015 08:47:31 PM UTC, original submission:

I am new to Edwin and MIT-Scheme, but my recent installation under MAC OS X Yosemite works fine, so I think I know how Edwin should work. My installation of Edwin and Scheme on Win 7 has no problem if I simply work within the Scheme buffer that first comes up when I call Scheme with the --edit option (via a Windows shortcut). That is, using C-X C-E, I get appropriate responses when I evaluate legal expressions, and I get appropriate error messages if I attempt to evaluate an illegal expression. However, once I open a separate file buffer for a .scm file and work from that buffer, I get different behavior. There is no problem as long as I evaluate just legal expressions (using C-X C-E): I get the appropriate response in the mini-buffer. However, when I attempt to evaluate an illegal expression (such as (+2 2) or (cub)), I get no response in the mini-buffer or in the main buffer. Further, when I proceed to attempt to evaluate anything after that (legal or not), I get the message "REPL needs response before evaluation will be enabled" in the mini-buffer. I have found no way to proceed after that except to close Edwin. I do not know if this is actaully a bug or if it is some sort of installation error, possibly involving an environment variable. However, I accepted all the defaults when I installed and did not tamper with any enviroment variables. Also, I experience the same problems whether I install as an administrator or as an ordinary user. Finally, I have tried both versions 9.0 and 9.2 of MIT-Scheme, and get the same behavior.

Ray Artz <rayartz>

 

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