Merge pull request #9681 from mendix/MvM-HugoBug

Work around Hugo Cascade bug

Author: MarkvanMents

content/en/docs/howto10/_index.md

@@ -11,6 +11,8 @@ cascade:
     - notsitemap: true
     - sitemap:
         priority: 0.7
+    - banner: ""
+# Empty banner added to get around bug in Hugo 0.123.0 (https://github.com/gohugoio/hugo/issues/12465) which is not fixed until 0.143.0 (https://github.com/gohugoio/hugo/releases/tag/v0.143.0)
 #This document is mapped to the landing page, update the link there if renaming or moving the doc file.
 ---
 

content/en/docs/howto9/_index.md

@@ -12,6 +12,8 @@ cascade:
     - notsitemap: true
     - sitemap:
         priority: 0.3
+    - banner: ""
+# Empty banner added to get around bug in Hugo 0.123.0 (https://github.com/gohugoio/hugo/issues/12465) which is not fixed until 0.143.0 (https://github.com/gohugoio/hugo/releases/tag/v0.143.0)
 #This document is mapped to the landing page, update the link there if renaming or moving the doc file.
 ---
 

content/en/docs/refguide10/_index.md

@@ -11,6 +11,8 @@ cascade:
     - notsitemap: true
     - sitemap:
         priority: 0.8
+    - banner: ""
+# Empty banner added to get around bug in Hugo 0.123.0 (https://github.com/gohugoio/hugo/issues/12465) which is not fixed until 0.143.0 (https://github.com/gohugoio/hugo/releases/tag/v0.143.0)
 ---
 
 ## Introduction

content/en/docs/refguide9/_index.md

@@ -12,6 +12,8 @@ cascade:
     - notsitemap: true
     - sitemap:
         priority: 0.4
+    - banner: ""
+# Empty banner added to get around bug in Hugo 0.123.0 (https://github.com/gohugoio/hugo/issues/12465) which is not fixed until 0.143.0 (https://github.com/gohugoio/hugo/releases/tag/v0.143.0)
 ---
 
 ## Introduction

layouts/partials/version-banner.html

@@ -3,11 +3,14 @@
     <!-- Check if the page has a banner: "string" set if yes, display a banner. -->
     <!-- safeHTML means you can include HTML. If you need to escape double quotes, use \" -->
     <!-- For example: banner: "Go <a href=\"/refguide9/moving-from-8-to-9/\">here</a>" -->
-    {{ with .Params.banner}}
-    <div class="pageinfo pageinfo-warning">
-        <p>{{ . | safeHTML }}</p>
-    </div>
-    {{end}}
+    <!-- Extra check for empty banner added to allow empty banners in front matter to get around bug in Hugo 0.123.0 (https://github.com/gohugoio/hugo/issues/12465) which is not fixed until 0.143.0 (https://github.com/gohugoio/hugo/releases/tag/v0.143.0) -->
+    {{ with .Params.banner }}
+       {{ if ne . "" }}
+            <div class="pageinfo pageinfo-warning">
+                <p>{{ . | safeHTML }}</p>
+            </div>
+       {{ end }}
+    {{ end }}
 
     <!-- If the page has draft: true set, display the following text as a banner. -->
     {{ with .Params.draft }}