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view tests/reqheader.ur @ 1595:154cfe2eb366

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Better error messages about server-side use of client-side functions
author Adam Chlipala <adam@chlipala.net>
date Mon, 14 Nov 2011 09:15:10 -0500
parents 360cbc202756
children
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fun main () : transaction page =
    ua <- requestHeader "User-Agent";
    case ua of
        None => return <xml>Not found</xml>
      | Some s => return <xml>User-Agent: {[s]}</xml>