Fix whitespace with XHTML parser

Remove leading whitespace in codeblocks that only appears when using
browser XHTML parsers for some reason.

layouts/_default/list.atom.xml

@@ -16,17 +16,23 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <feed
 	xmlns="http://www.w3.org/2005/Atom"
-	xml:lang="{{ .Site.LanguageCode }}"
 	xmlns:activity="http://activitystrea.ms/spec/1.0/"
 	xmlns:admin="http://webns.net/mvcb/"
+	xmlns:cf="http://www.microsoft.com/schemas/rss/core/2005"
 	xmlns:media="http://search.yahoo.com/mrss/"
 	xmlns:ostatus="http://ostatus.org/schema/1.0"
 	xmlns:poco="http://portablecontacts.net/spec/1.0"
 	xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-	xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
 	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
 	xmlns:thr="http://purl.org/syndication/thread/1.0"
-	xmlns:webfeeds="http://webfeeds.org/rss/1.0">
+	xmlns:webfeeds="http://webfeeds.org/rss/1.0"
+	xml:lang="{{ .Site.LanguageCode }}">
+	<cf:treatAs>list</cf:treatAs>
+	<cf:listinfo>
+		<cf:sort
+			ns="http://www.w3.org/2005/Atom"
+			element="published" data-type="date" label="Date published" default="true"/>
+	</cf:listinfo>
 	<title>{{ $title }} on {{ .Site.Title }}</title>
 	<subtitle>
 		{{- if .Params.Description -}}
@@ -73,12 +79,14 @@
 		<rights type="text">Copyright © {{ now.Year }} Rohan Kumar</rights>
 		<link rel="license" type="application/rdf+xml" href="https://creativecommons.org/licenses/by-sa/4.0/rdf" />
 		{{- with .Params.replyURI -}}
-		<thr:in-reply-to ref="{{ . }}" href="{{ . }}" />
+		<thr:in-reply-to ref="{{ . }}" href="{{ . }}" type="text/html" />
+		<link rel="related" type="text/html" href="{{ . }}" />
 		{{- end -}}
 		{{- with .Params.replyAuthorURI -}}
 		<link rel="mentioned" ostatus:object-type="http://activitystrea.ms/schema/1.0/person" href="{{ . }}"/>
 		{{- end -}}
 		{{- $type := "article" -}}
+		{{- /* TODO: add bookmark type and convert bookmarks to their own post types. */ -}}
 		{{- if eq .Section "notes" -}}
 			{{- $type = "note" -}}
 		{{- end -}}
@@ -99,7 +107,12 @@
 					{{ partial "processed-content.html" . | replaceRE `(?: )?(?:item(type|scope|prop|id|ref)="[^"]*"|class="language-figure")` "" | replaceRE `<meta content="true" ?/>` "" | safeHTML -}}
 			</div>
 		</content>
-		<slash:comments>{{ .Page.Scratch.Get "webmentionCount" }}</slash:comments>
+		{{- /* TODO: add application/atom+xml version of comments. */ -}}
+		<link
+			rel="replies" type="text/html"
+			href="{{ .Permalink }}#webmentions"
+			thr:count="{{ .Page.Scratch.Get "webmentionCount" }}" />
+		<thr:total>{{ .Page.Scratch.Get "webmentionCount" }}</thr:total>
 	</entry>
   {{ end -}}
 	{{- end }}

scripts/xhtmlize-single-file.sh

@@ -52,5 +52,5 @@ sed 7d "$html_file" | run_xmllint | tail -n +2 >"$tmp_file"
 		-e 's#</span>(<a[^>]*rel="(nofollow ugc|ugc nofollow)"([^>]*)?>liked</a>)#</span> \1#' \
 		-e 's#^[\t\s]*<(code|/pre)#<\1#' \
 		"$tmp_file" \
-		| awk '/^<\/code>/{printf "%s",$0;next}7'
+		| awk '/(^<\/code>|<pre tabindex="0">)/{printf "%s",$0;next}7'
 } >"$html_file"