s[:] is always a slice. But s can be one of these
A array or A pointer to array or A slice https://play.golang.org/p/r2nc-FAmjg
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omitempty is only used in marshalling. But it does not work with enclosed elements.
https://play.golang.org/p/DEgzD3rwhw
http://stackoverflow.com/questions/27246275/golang-hide-xml-parent-tag-if-empty
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cdata tag is used in marshalling. It is not needed in unmarshalling.
https://play.golang.org/p/xEXFBCkC29
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This is the beginning post of the new site.
$ ls
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