Add tasks for all the new languages

Task/XML-Output/Phix/xml-output.phix

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+constant {hchars,hsubs} = columnize({{"<","&lt;"},
+                                     {">","&gt;"},
+                                     {"&","&amp;"},
+                                     {"\"","&quot;"},
+                                     {"\'","&apos;"}})
+function xmlquote_all(sequence s)
+    for i=1 to length(s) do
+        s[i] = substitute_all(s[i],hchars,hsubs)
+    end for
+    return s
+end function
+
+function xml_CharacterRemarks(sequence data)
+string res = "<CharacterRemarks>\n"
+    for i=1 to length(data) do
+        res &= sprintf("  <CharacterName=\"%s\">%s</Character>\n",xmlquote_all(data[i]))
+    end for
+    return res & "</CharacterRemarks>\n"
+end function
+
+constant testset = {
+    {"April", "Bubbly: I'm > Tam and <= Emily"},
+    {"Tam O'Shanter", "Burns: \"When chapman billies leave the street ...\""},
+    {"Emily", "Short & shrift"}
+}
+printf(1,xml_CharacterRemarks(testset))
+
+-- Sample output:
+--  <CharacterRemarks>
+--    <CharacterName="April">Bubbly: I&apos;m &amp;gt; Tam and &amp;lt;= Emily</Character>
+--    <CharacterName="Tam O&apos;Shanter">Burns: &quot;When chapman billies leave the street ...&quot;</Character>
+--    <CharacterName="Emily">Short &amp; shrift</Character>
+--  </CharacterRemarks>