Re: [racket-users] Finding non-text elements

[Robby Findler]

On Tue, Nov 7, 2017 at 1:52 PM, David Van Horn  wrote:
> On Tue, Nov 7, 2017 at 2:45 PM, Robby Findler
>  wrote:
>> On Tue, Nov 7, 2017 at 1:42 PM, David Van Horn  wrote:
>>> Other than copy/pasting, I can seem to recreate a decimal-looking
>>> number that is actually a special fraction, so I'm not sure how the
>>> author of the file accomplished this.
>>
>> They couldn't have copied and pasted from the interactions window?
>
> Ah yes, this is it.  If I run 1.2, I get 1.2 in the interactions
> window as a special fraction (that renders as 1.2).
>
> So they're running their programs to figure out their test cases :)

How dare they! :)

Robby

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Re: [racket-users] Finding non-text elements

[Robby Findler]

On Tue, Nov 7, 2017 at 1:42 PM, David Van Horn  wrote:
> Thanks, I found the elements by using wxme-port->port and
> read-char-or-special until I found something special and it turns out
> it was caused by fractions.
>
> There are a couple weird things: (1) wxme-read reads them as numbers,
> not specials, and

Yes, that's because they have special support in there for them.

> (2) the "fractions" are actually rendered in decimal
> form in the file when I open it in DrRacket, which is why I didn't
> spot them by looking at the file (now that I know where they are, I
> can see they're special because cursor moves past the entire number
> "71.25" as though it's a single character).

You can also right click on them, I presume?

> But if I
> read-char-or-special on them, I get back something rendered as a
> fraction.  Maybe this has something to do with a difference in
> preferences between me and the author of the file?

I'm not sure about that.

> Other than copy/pasting, I can seem to recreate a decimal-looking
> number that is actually a special fraction, so I'm not sure how the
> author of the file accomplished this.

They couldn't have copied and pasted from the interactions window?

Robby

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Re: [racket-users] Finding non-text elements

[Robby Findler]

I believe this is the place that does the check:

 
https://github.com/racket/gui/blob/master/gui-lib/framework/private/text.rkt#L2300

Possibly some printfs in and around there would help?

Robby


On Tue, Nov 7, 2017 at 1:03 PM, David Van Horn  wrote:
> I have some ISL+ programs that are being saved in the WXME format, but
> I can't seem to find any element in the file that would trigger this
> format (no images, comment boxes, etc.).
>
> Is there some way to figure out why the files are being saved this way
> in DrRacket?
>
> Thanks,
> David
>
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