Footer, copyright notice: allow customization of year

Closes #1592

CHANGELOG.md

@@ -17,6 +17,11 @@ For a list of issues targeted for the next release, see the [23Q2][] milestone.
 **Other changes**:
 
 ## [0.7.1][]
+**Breaking changes**:
+
+- **Footer, copyright notice**:
+  - display of year can now be customized via .Site.Params.copyright.year
+  - title displayed after year must now be given via .Site.Params.copyright.title
 
 Followup changes to **Bootstrap (BS) 5.2 upgrade** ([#470]):
 

layouts/partials/footer.html

@@ -18,7 +18,9 @@
       </div>
       <div class="td-footer__copyright-etc col-12 col-sm-4 text-center py-2 order-sm-2">
         {{ with .Site.Params.copyright -}}
-          <span>&copy; {{ now.Year }} {{ . }} {{ T "footer_all_rights_reserved" }}</span>
+          <span>&copy; {{ with .year -}}{{- . -}}{{- else -}}{{- now.Year -}}{{- end }} {{ with .title -}}{{- . -}}{{- end }} {{ T "footer_all_rights_reserved" }}</span>
+        {{- else }}
+          {{ with .Site.Copyright }}{{ . | safeHTML }}{{ end }}
         {{- end }}
         {{ with .Site.Params.privacy_policy -}}
           <span class="ms-1"><a href="{{ . }}" target="_blank" rel="noopener">{{ T "footer_privacy_policy" }}</a></span>

userguide/hugo.yaml

@@ -50,7 +50,9 @@ markup:
     style: tango
 
 params:
-  copyright: The Docsy Authors
+  copyright:
+    title: The Docsy Authors
+    year: 2023
   privacy_policy: https://policies.google.com/privacy
   version_menu: Releases
   archived_version: false