Monday, November 08, 2010 at 12:03 AM.

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system.verbs.builtins.Frontier.versionRequired

on versionRequired (minVersionString) {
	if date.versionLessThan (Frontier.version (), minVersionString) {
		scriptError ("This feature requires Frontier " + minVersionString + " and this is version " + Frontier.version () + ".")}};

<<bundle //test code -- I ran this in Frontier 5.0a20
	<<versionRequired ("4.2.3")
	<<versionRequired ("5.0")
	<<versionRequired ("5.0a20")
	<<versionRequired ("5.0a21")

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This listing is for code that runs in the OPML Editor environment. I created these listings because I wanted the search engines to index it, so that when I want to look up something in my codebase I don't have to use the much slower search functionality in my object database. Dave Winer.