You're right. The instructions were written a while ago (probably at around 3 a.m.) and are definitely confusing. I'll have to fix that when I get time.
In Evolution, you have to create the elements and resources yourself and cut and paste code from the files where necessary.
In Revolution, you just install through package Manager and all that is done for you. You don't need to create the snippet or deal with the snippet file because the snippet is already installed.
For default operation in Revo, you just need to create the FAQ resource (with the snippet tag) and the FAQ content document. The tag style and the Manager interface are different for Revolution, but the steps are the same.
There is no config file in Revo. You can look at the table of properties in the tutorial and just set any that you need to change in the snippet tag. You can also set them (and see descriptions) on the Properties tab when editing the snippet. If you edit them there, they'll be overwritten if you update the package, so it's best to just put them in the snippet tag (or create a property set -- see some of the other snippet tutorials for info on how to do that).
The CSS file is: assets/components/ezfaq/ezfaq.css
If you need to change the CSS, you can copy that file to another file in that same directory (call it myezfaq.css), and put this in the snippet tag:
&ezfaqCssPath=`assets/components/ezfaq/myezfaq.css`
Sorry about the confusion. Let me know if you run into any more problems.
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PLEASE, PLEASE specify the version of MODX you are using.
MODX info for everyone:
http://bobsguides.com/modx.html