I think the only place we encourage users to not use that is the
teaching languages, right?


On Wed, Mar 21, 2012 at 7:05 AM, Sam Tobin-Hochstadt <sa...@ccs.neu.edu> wrote:
> The below email transcript indicates that we're still having problems
> communicating how to use the language dialog to users.  Maybe a
> screenshot in the "Quick" tutorial would help, although I think the
> only real solution is to move to using #lang for everything.
> ---------- Forwarded message ----------
> From: Roger Tobie <rto...@verizon.net>
> Date: Tue, Mar 20, 2012 at 10:18 PM
> Subject: Re: [racket-bug] all/12642: #lang slideshow gets error
> message "module: this function is not defined"
> To: Sam Tobin-Hochstadt <sa...@ccs.neu.edu>
> Good evening,
> Yes, it works. Thank you!
> However, I would argue that the signifigance of the the top bullet
> item in the pop up Choose Language menu is not at all obvious to a
> newbie such as myself. Perhaps the directions in "Quick: An
> Introduction to Racket with Pictures" could include an explanation of
> the requirement of this choice and say something to the effect that
> before you type in #lang slideshow you must choose "Use the language
> declared in the source" in the dialog box. This was not clear to me
> from the directions given in the introduction. Also the statement
> #lang slideshow has to replace what is automatically generated by
> choosing the bullet for "Use the language in the source". It can't be
> typed below it or you get another error message when you click on Run,
> although the new error message is pretty self explanatory.
> Again, thank you
> Roger Tobie
> On 3/20/2012 6:21 PM, Sam Tobin-Hochstadt wrote:
>> On Tue, Mar 20, 2012 at 6:14 PM, Roger Tobie<rto...@verizon.net>  wrote:
>>> On 3/19/2012 7:22 PM, Sam Tobin-Hochstadt wrote:
>>> On Mon, Mar 19, 2012 at 6:44 PM,<rto...@verizon.net>  wrote:
>>> *** Description:
>>> Load and start DrRacket. Then following the instructions in Quick: An
>>> Introduction to Racket with Pictures under step 2 Set... Copy the following
>>> into the definitions area  #lang slideshow Then click the Run button.
>>> I did this and get the message "module: this function is not defined" in the
>>> interactions area. This is pretty frustratting to someone just trying
>>> to get started with Racket.
>>> Right below that paragraph is the following discussion of setting up
>>> DrRacket to use the language declared in the source:
>>>    If you’ve used DrRacket before, you might need to reset DrRacket
>>>    to use the language declared in the source via the
>>>    Language|Choose Language... menu item before clicking Run.
>>> If you follow those instructions, does the error go away?
>>> Hello, Sam Tobin-Hochstadt,
>>> Thank you for your prompt reply.
>>> No, the error does not go away. I have followed the above instructions and
>>> tried all the the entries under Teaching Languages / How to design programs
>>> with the same result. I had done this many times before I sent my bug report
>>> and just repeated these tests to make doubly sure. It is interesting that
>>> Pretty Big under Legacy Languages does not give this error message when I
>>> tell it to run #lang slideshow, but then when I type in and try to execute
>>> (circle 10) I get "reference to undefined identifier: circle".
>>> Also, I am not sure exactly what is meant by the phrase "reset DrRacket to
>>> use the language declared in the source". What source?
>> In the "Language" dialog, please choose the "Use the language declared
>> in the source" option, which is at the top of the dialog box.  Then
>> see if the program works.
> --
> sam th
> sa...@ccs.neu.edu
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