[racket] Quarter-circle in upper right of Definitions window?

From: John Clements (clements at brinckerhoff.org)
Date: Mon Sep 17 16:01:39 EDT 2012

On Sep 17, 2012, at 12:44 PM, Robby Findler wrote:

> It will appear when the online check syntax finds some documentation
> for the identifier at the insertion point. If you edit the identifier,
> it will disappear (but it may reappear if you move onto another
> identifier it knows about).
> Generally speaking, it should match the contents of the blue boxes in
> the documentation (eg a function contract or a macro's grammar spec).

What Robby's telling you only indirectly is that you will never again call "take" with the arguments in the wrong order. :)


> Robby
> On Mon, Sep 17, 2012 at 2:25 PM, Prabhakar Ragde <plragde at uwaterloo.ca> wrote:
>> Sorry if this is a dumb question. This small quarter-circle, with an arrow
>> in it, appears from time to time, and then disappears. It contains some
>> links to documentation. I cannot tell what is causing it to appear and what
>> causes it to disappear...? Thanks. --PR
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