Issue #6327: Handle trimmed content consistently across libxml versions.

By @indigoxela and @klonos.

.github/misc/setup-php-fpm.sh

@@ -17,12 +17,15 @@ sudo sed -i -e 's/user = www-data/user = runner/' \
   -e 's/pm.start_servers = 2/pm.start_servers = 4/' \
   -e 's/pm.min_spare_servers = 1/pm.min_spare_servers = 2/' \
   -e 's/pm.max_spare_servers = 3/pm.max_spare_servers = 4/' \
-  ls /etc/php/*/fpm/pool.d/www.conf
+  /etc/php/*/fpm/pool.d/www.conf
 
 # Let above changes take effect and setup Apache to work with php-fpm.
 sudo systemctl restart php${1}-fpm.service
 sudo apt-get -q install libapache2-mod-fcgid
 sudo a2enmod rewrite proxy fcgid proxy_fcgi
-sudo systemctl start apache2.service
+sudo systemctl restart apache2.service
+# This prevents the "denied (filesystem path '/home/runner/work') because search
+# permissions are missing on a component of the path" problem.
+sudo chmod 751 /home/runner
 
 exit 0

.github/workflows/functional-tests.yml

@@ -5,7 +5,7 @@ on:
 jobs:
   simpletest:
     name: Simpletest batches
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     # Skip this job if the PR title contains "[skip tests]".
     if: ${{ !contains(github.event.pull_request.title, '[skip tests]') }}
     timeout-minutes: 20

core/modules/field/modules/text/text.module

@@ -494,6 +494,9 @@ function text_summary($text, $format_id = NULL, $size = 600) {
     }
   }
 
+  // Trim opening tag fragment like previous versions of libxml did.
+  $summary = rtrim($summary, '<');
+
   // Clean up any invalid HTML.
   if (function_exists('_filter_htmlcorrector')) {
     $summary = _filter_htmlcorrector($summary);