rss: don't minify whitespace in xml

config/_default/hugo.toml

@@ -60,3 +60,30 @@ enableInlineShortcodes = true
   tag = "tags"
   series = "series"
 
+# Copied from https://gohugo.io/getting-started/configuration/#configure-minify
+# Only change made is xml keepWhitespace = true
+[minify]
+  disableCSS = false
+  disableHTML = false
+  disableJS = false
+  disableJSON = false
+  disableSVG = false
+  disableXML = false
+  minifyOutput = false
+  [minify.tdewolff]
+    [minify.tdewolff.css]
+      decimals = -1
+      keepCSS2 = true
+    [minify.tdewolff.html]
+      keepConditionalComments = true
+      keepDefaultAttrVals = true
+      keepDocumentTags = true
+      keepEndTags = true
+      keepQuotes = false
+      keepWhitespace = false
+    [minify.tdewolff.js]
+    [minify.tdewolff.json]
+    [minify.tdewolff.svg]
+      decimals = -1
+    [minify.tdewolff.xml]
+      keepWhitespace = true

layouts/_default/rss.xml

@@ -10,7 +10,7 @@
 {{- if ge $limit 1 -}}
 {{- $pages = $pages | first $limit -}}
 {{- end -}}
-<!-- {{- printf "<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"yes\"?>" | safeHTML }} -->
+{{- printf "<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"yes\"?>" | safeHTML }}
 <rss version="2.0"
   xmlns:atom="http://www.w3.org/2005/Atom"
   xmlns:content="http://purl.org/rss/1.0/modules/content/"