All right, let's see about this, then.  The basic "click here to  
collapse" function is extremely simple.  I'd be willing to write it  
up, or, more precisely, paste one of the versions I use elsewhere and  
edit it.  The two difficult parts with implementing this are:

1) Making it persistent, which I don't know how to do, off the cuff.   
Does anyone happen to have the cookie-checking script this would need  
lying around?

2) This is generally either a Javascript or an Ajax thing.  Journal  
themes do not permit those, because of the security risk inherent,  
something I can't see changing any time soon.  So this bit of code  
would have to be added into the Core.  Does the Styles team think  
this is a possibility, supposing the script itself is put together  
and offered?

Associated issue:

Javascript or Ajax?  Javascript means each collapse would reload the  
whole page, which could be both unwieldy and possibly prohibitive in  
bandwidth depending on how the reading page is getting called.  Ajax,  
however, is on the "not accessibility friendly" list, and using that  
would limit who can actually use this function.  Can someone who  
deals with the site load say whether using Javascript is a deal  
breaker?  And can the people who would likely use this say whether a  
reload for every collapse would be too much trouble for the pay-off?

Cheers,
ER
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