Documentation/sample projects for iOS externals

[Ben Rubinstein]

I'm sure this ought to be simple, but I cannot find a thing.

Having now for the first time in several years succesfully built a hello-world 
stack app and got it onto my phone (lining up the correct versions of 
LiveCode/Xcode/OS X/iOS/certificates - phew!); I'd now like to make an iOS 
external in order to achieve my actual aim.

I know it can be done.  I can even find references to sample projects called 
things like "rreSockets" and "rreCanvas".  But an actual thing I cannot find.

Searching livecode.com finds only references in the forums.

In the "Building Externals/Plugins forum" there is a recent post asking the 
same thing; which met with a reply linking to another post; which links to 
some newsletter articles using Revolution 2.7.

A post 18 months ago from someone who has evidently found the sample 
"rreHardcopy" but is having trouble building it, is met with a reply


> I guess you have read at least those 2 lessons from runrev?
>
> http://livecode.com/developers/guides/mobile/ios/
>
> http://livecode.com/developers/guides/externals/

but both of those links now redirect to a generic documentation page.

Do any current sample projects exist? Is there any documentation available 
which is relevant for current versions of LiveCode and XCode? Where are either 
of these things to be found?

TIA,

B