Apologies if this is the wrong place to report/question this, I could
not find any mention of errata or errors in the manual.

Firstly, I'm looking at the code sample on page 66. It reads:

>>> form  =  crud.create(db.image,  next=URL(r=request,  args=image.id),
>>>     message='your  comment  is  posted')

I think it should say:

>>> form  =  crud.create(db.comment,  next=URL(r=request,  args=image.id),
>>>     message='your  comment  is  posted')

(i.e. db.comment not db.image).

Secondly, the line above it may not be an error, but it's confusing
me. It says:

>>> db.comment.image_id.default  =  image.id

Is this thread-safe?

I noticed this behaves strangely if I have 2 images in the example
application. I loaded the first image's page in my browser, then
opened a second tab and opened the second image's page. I returned to
my first tab and tried to submit a comment. It doesn't seem to work.
There is no error in the browser and no error ticket. Maybe I simply
entered the example incorrectly.

Any help would be appreciated.

Thanks,

Jeremy

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