remove the stray whitespace around internal links

The internalLink shortcode and the lang-detection partial it calls were
emitting newlines around the link, which rendered as a space before the
following punctuation ("Red Hat Summit Connect France 2024 ,"), in the
pages as well as in the summaries, meta descriptions and RSS feeds.

Refs #11

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YNHsWYTXPThURz6TbVS1j3

layouts/_partials/lang-detection.html

@@ -1,15 +1,22 @@
-{{ if and .IsPage .IsTranslated (eq .Lang "fr") }}
-  <!-- Try to compare files by SH256 fingerprint. -->
-  {{ if and (index .AllTranslations 0).File (index .AllTranslations 1).File }}
-    {{ $file0 := readFile (index .AllTranslations 0).File.Filename }}
-    {{ $file1 := readFile (index .AllTranslations 1).File.Filename }}
-    {{ if eq (sha256 $file0) (sha256 $file1) }}
-      {{ .Store.Set "en_article_in_fr_site" true }}
-    {{ end }}
-  {{ else }}
-    <!-- Sometimes there is no file though. In that case, compare the content. -->
-    {{ if eq (index .AllTranslations 0).Plain (index .AllTranslations 1).Plain }}
-      {{ .Store.Set "en_article_in_fr_site" true }}
-    {{ end }}
-  {{ end }}
-{{ end }}
+{{- /*
+  -- Detects the english articles published as-is in the french site and
+  -- sets "en_article_in_fr_site" in the page store.
+  --
+  -- This partial must not output anything since it is also called from
+  -- inline contexts (internalLink shortcode, article headlines).
+  */ -}}
+{{- if and .IsPage .IsTranslated (eq .Lang "fr") -}}
+  {{- if and (index .AllTranslations 0).File (index .AllTranslations 1).File -}}
+    {{- /* Try to compare files by SHA256 fingerprint. */ -}}
+    {{- $file0 := readFile (index .AllTranslations 0).File.Filename -}}
+    {{- $file1 := readFile (index .AllTranslations 1).File.Filename -}}
+    {{- if eq (sha256 $file0) (sha256 $file1) -}}
+      {{- .Store.Set "en_article_in_fr_site" true -}}
+    {{- end -}}
+  {{- else -}}
+    {{- /* Sometimes there is no file though. In that case, compare the content. */ -}}
+    {{- if eq (index .AllTranslations 0).Plain (index .AllTranslations 1).Plain -}}
+      {{- .Store.Set "en_article_in_fr_site" true -}}
+    {{- end -}}
+  {{- end -}}
+{{- end -}}

layouts/_shortcodes/internalLink.html

@@ -1,31 +1,26 @@
-<!-- This shortcode generates the HTML link to an internal resource, which can be translated or not.
+{{- /*
+  -- This shortcode generates the HTML link to an internal resource, which can be translated or not.
   -- It displays a country flag when the target page is in a different language than the current page.
-  -- Currently, this shortcode can only handle Hugo sites with two languages. -->
-{{ $path := .Get "path" }}
-{{ $currentLang := .Page.Lang }}
-{{ $title := .Get "title" }}
-{{ $sites := hugo.Sites }}
-{{ if ne $currentLang (index hugo.Sites 0).Language.Lang }}
-{{ $sites = collections.Reverse hugo.Sites }}
-{{ end }}
-{{ range $sites }}
-{{ with .GetPage $path }}
-<a href="{{ .RelPermalink }}">
-{{ if ne $title "" }}
-{{ $title }}
-{{ else }}
-{{ .Title }}
-{{ end }}
-</a>
-{{ if and (eq $currentLang "en") (eq .Lang "fr") }}
-{{- partial "icons/fr.svg" . -}}
-{{ end }}
-{{ if (eq $currentLang "fr") }}
+  -- Currently, this shortcode can only handle Hugo sites with two languages.
+  --
+  -- The output must not contain any extra whitespace since the link is
+  -- usually embedded in a sentence.
+  */ -}}
+{{- $path := .Get "path" -}}
+{{- $currentLang := .Page.Lang -}}
+{{- $title := .Get "title" -}}
+{{- $sites := hugo.Sites -}}
+{{- if ne $currentLang (index hugo.Sites 0).Language.Lang -}}
+{{- $sites = collections.Reverse hugo.Sites -}}
+{{- end -}}
+{{- range $sites -}}
+{{- with .GetPage $path -}}
+<a href="{{ .RelPermalink }}">{{ or $title .Title }}</a>
+{{- if and (eq $currentLang "en") (eq .Lang "fr") }} {{ partial "icons/fr.svg" . | strings.TrimSpace | safeHTML }}{{ end -}}
+{{- if eq $currentLang "fr" -}}
 {{- partial "lang-detection.html" . -}}
-{{ if .Store.Get "en_article_in_fr_site" }}
-{{- partial "icons/en.svg" . -}}
-{{ end }}
-{{ end }}
-{{ break }}
-{{ end }}
-{{ end }}
+{{- if .Store.Get "en_article_in_fr_site" }} {{ partial "icons/en.svg" . | strings.TrimSpace | safeHTML }}{{ end -}}
+{{- end -}}
+{{- break -}}
+{{- end -}}
+{{- end -}}