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+ even back when I was screen scraping user pages for indexing purposes, I did it @ 3am my time, which, granted is an arbitrary time considering the global nature of the sites, but I suspect the majority of users are on my continent. ;-)
I was asking if it would be future proof to use the presense of 'semicolon delimited', in any format, as an indication that an array is acceptable in the interest of generating methods with param array for ids and tags and such.