merge: eliminate nodes from action list - eliminate my and other from merge and copy - eliminate node from get - use mctx for get - fix bug flag = a[2:] - pass mctx to recordupdates - use new filectx.size in recordupdates

<item>
    <title>#tag|escape#</title>
    <link>#url#?cs=#node|short#</link>
    <description><![CDATA[#tag|strip|escape|addbreaks#]]></description>
    <pubDate>#date|rfc822date#</pubDate>
</item>