More help nits

[Charles Dye]

@CAPI - missing close bracket after optional args (unbalanced brackets)
@XMLPUTELEMENT : missing open bracket after function name
@XMLSTARTELEMENT : missing open bracket after function name
@JSONSETNAME : missing open bracket before "xpath," (unbalanced brackets)
@JSONSETVALUE : missing open bracket before "xpath," (unbalanced brackets)
@WINAPI - missing close bracket after optional args (unbalanced brackets)

Also, HELP @JSONSETVALUE gives a page-not-found error.