diff --git a/share/rss.uppxml b/share/rss.uppxml
index 85f05f9..536adec 100644
--- a/share/rss.uppxml
+++ b/share/rss.uppxml
@@ -1,29 +1,27 @@
-#!/usr/bin/env pp
 <?xml version='1.0' ?>
-<rss version="2.0">
+<rss version='2.0'>
 <channel>
-  <title>Book club @ nfld</title>
-  <link>https://nfld.uk</link>
-  <description>Book club discussions, etc.</description>
+	<title>Book club @ nfld</title>
+	<link>https://nfld.uk</link>
+	<description>Book club discussions, etc.</description>
 #!
 for f in *.html
 do
-  if test -f "$f"
-  then
-    b="$f".old
-    >&2 printf "Processing %s...\\n" "$f"
-    diff=$(wdiff -3 "$f" "$b")
-    if ! test -z "$diff"
-    then
+test -f "$f" || continue
+b="$f".old
+test -f "$b" || continue
+>&2 printf "Processing %s...\\n" "$f"
+diff=$(wdiff -3 "$f" "$b")
+if ! test -z "$diff"
+then
 #!
-    <item>
-      <title>Recent updates to $f</title>
-      <link>https://nfld.uk/$f</link>
-      <description>$diff</description>
-    </item>
+	<item>
+		<title>Recent updates to $f</title>
+		<link>https://nfld.uk/$f</link>
+		<description>$diff</description>
+	</item>
 #!
-    fi
-  fi
+fi
 done
 #!
 </channel>