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- [Instructor] In this movie,



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we'll discuss a caveat

associated with dynamic symbols,



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and that is that they are

not backward compatible.



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And so more often than not,



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I go ahead and save my exercise

files to the CS6 format



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just to make sure you can open them



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in any recent version of the software.



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Which means if I was to

go up to the File menu



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and choose the Save command,



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then Illustrator would just go

ahead and update my CS6 file



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and it would end up

expanding these symbols.



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And to get a sense for

what that looks like,



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I'll go up to the Break Link button



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up here in the control panel



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and click on it.



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And what that does is it

breaks the link with the symbol



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and it ends up creating a group,



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as you can see on the far left

side of the control panel.



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It's actually a group inside a group.



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So I'm going to go up to the Object menu



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and choose the Ungroup

command twice in a row



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until I see the words Compound Path,



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and that tells me that I now have



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two independent compound paths, like so.



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Now, that is most definitely

not what I wanted,



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and that would be a big surprise



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if you opened the file later



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and found this to be the case.



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So what we need to do

is undo those changes.



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I want to see the words Symbol Dynamic



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when I click on this instance.



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And notice that dynamic symbols



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have a tendency of not really showing you



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any kind of bounding box.



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You'll just see this cross in the middle.



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Unless you have the

bounding box turned on.



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So if I choose Show Bounding Box,



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then I'll see a box, like so.



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But either way,



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the shape is selected.



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And so what I need to do



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if I want to maintain

these dynamic symbols



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is go up to the File menu



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and choose Save As,



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and then I'll find this file right there,



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Dynamic suns,



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which I've created in advance.



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But I'm just going to go ahead



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and save over it.



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And then you want to make sure Version



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is set to Illustrator CC as by default.



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Otherwise all you need to do is go ahead



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and click OK in order to create that file.



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But bear in mind that older

versions of Illustrator,



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not just CS6 and earlier,



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but also the original

Illustrator CC and CC 2014,



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will not support this feature.



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And so if you try to open this file



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inside of those older

versions of the software,



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then again, Illustrator

will break the link



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and serve up static path outlines.



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And so that is often the price



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with working with a new feature.



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Dynamic symbols, great as they may be,



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are not backward compatible



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with anything earlier than

the most recent version



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of Illustrator CC 2015.