theme: Create code block render hook

content/en/functions/collections/Where.md

@@ -213,7 +213,7 @@ With TOML, date values are first-class citizens. TOML has a date data type while
 
 In the TOML example below, note that the event date is not quoted.
 
-{{< code file="content/events/2024-user-conference.md" >}}
+{{< code file=content/events/2024-user-conference.md >}}
 +++
 title = '2024 User Conference"
 eventDate = 2024-04-01

content/en/functions/go-template/return.md

@@ -27,7 +27,7 @@ Unlike `return` statements in other languages, Hugo executes the first occurrenc
 
 By way of example, let's create a partial template that _renders_ HTML, describing whether the given number is odd or even:
 
-{{< code file="layouts/partials/odd-or-even.html" >}}
+{{< code file=layouts/partials/odd-or-even.html >}}
 {{ if math.ModBool . 2 }}
   <p>{{ . }} is even</p>
 {{ else }}
@@ -43,7 +43,7 @@ When called, the partial renders HTML:
 
 Instead of rendering HTML, let's create a partial that _returns_ a boolean value, reporting whether the given number is even:
 
-{{< code file="layouts/partials/is-even.html" >}}
+{{< code file=layouts/partials/is-even.html >}}
 {{ return math.ModBool . 2 }}
 {{< /code >}}
 
@@ -78,7 +78,7 @@ A partial that returns a value must contain only one `return` statement, placed
 
 For example:
 
-{{< code file="layouts/partials/is-even.html" >}}
+{{< code file=layouts/partials/is-even.html >}}
 {{ $result := false }}
 {{ if math.ModBool . 2 }}
   {{ $result = "even" }}
@@ -92,7 +92,7 @@ For example:
 The construct below is incorrect; it contains more than one `return` statement.
 {{< /note >}}
 
-{{< code file="layouts/partials/do-not-do-this.html" >}}
+{{< code file=layouts/partials/do-not-do-this.html >}}
 {{ if math.ModBool . 2 }}
   {{ return "even" }}
 {{ else }}

content/en/functions/transform/XMLEscape.md

@@ -32,7 +32,7 @@ For example:
 
 When using `transform.XMLEscape` in a template rendered by Go's [html/template] package, declare the string to be safe HTML to avoid double escaping. For example, in an RSS template:
 
-{{< code file="layouts/_default/rss.xml" >}}
+{{< code file=layouts/_default/rss.xml >}}
 <description>{{ .Summary | transform.XMLEscape | safeHTML }}</description>
 {{< /code >}}