[presentations] master: Fix title here

Author: Rasmus Lerdorf (rlerdorf)
Date: 2022-12-06T15:49:17-06:00

Commit: https://github.com/php/presentations/commit/87afbad427cf692542a8fcc54d775e3a7b3fb1c6
Raw diff: https://github.com/php/presentations/commit/87afbad427cf692542a8fcc54d775e3a7b3fb1c6.diff

Fix title here

Changed paths:
  M  etsymex22.html
  M  slides/intro/php81_2021.xml


Diff:

diff --git a/etsymex22.html b/etsymex22.html
index 95b9b68d..1aa9f2d3 100644
--- a/etsymex22.html
+++ b/etsymex22.html
@@ -615,7 +615,7 @@ <h1 style="text-align:center;">PHP 8.1</h1>
 }</code></pre>
 		</section>
 		<section id="php81_first_class_callable" >
-		<p class="p" style="font-size:1.1em;text-align:left;">new expressions can be used in initializers</p>
+		<p class="p" style="font-size:1.1em;text-align:left;">First-class callables</p>
 		<pre><code class="php" data-trim style="font-size:1em;" >$fn = strlen(...);
 $fn = $this-&gt;method(...)
 $fn = Foo::method(...);
diff --git a/slides/intro/php81_2021.xml b/slides/intro/php81_2021.xml
index f0729fbb..b8e10667 100644
--- a/slides/intro/php81_2021.xml
+++ b/slides/intro/php81_2021.xml
@@ -116,7 +116,7 @@ class Test {
 ]]></example>
 
 <break lines="1" section="php81_first_class_callable"/>
-<blurb fontsize="1.1em" align="left">new expressions can be used in initializers</blurb>
+<blurb fontsize="1.1em" align="left">First-class callables</blurb>
 <example fontsize="1em" result='0' title="" type="php"><![CDATA[<?php
 $fn = strlen(...);
 $fn = $this->method(...)