Setting the Extension and Icon for the File Type
RaiseMan files already have the extension .rsmn,
which we configured when we created the project.
But .rsmn files need an icon.
You will need to find an .icns file
and copy it into your project.
A fine icon is found at
/Applications/TextEdit.app/Contents/Resources/txt.icns.
To navigate to this directory in Finder,
select Go to Folder...
from the Go menu,
and enter the path /Applications/TextEdit.app/Contents/Resources/.
Notice the path that you just accessed in Finder. The second component of the path is TextEdit.app, the TextEdit application! How can that be? TextEdit.app is a package, or more specifically a bundle. In OS X, packages are folders that appear in Finder to be ...
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