Flarum: Strip `>` in front of code blocks

This avoids a rendering issue with Parsedown, which would strip the indentation
in the code block, possibly breaking YAML et al.

diff --git a/files/lib/system/exporter/Flarum1xExporter.class.php b/files/lib/system/exporter/Flarum1xExporter.class.php
index 13f8d8240c51296f5e02e85e99d041db2dd94766..c309d23832d67250a1f3f870a79cf81e5e6244a8 100644 (file)
--- a/files/lib/system/exporter/Flarum1xExporter.class.php
+++ b/files/lib/system/exporter/Flarum1xExporter.class.php
@@ -710,6 +710,8 @@ final class Flarum1xExporter extends AbstractExporter
         // Unparser::unparse()
         $message = \html_entity_decode(\strip_tags($message), ENT_QUOTES, 'UTF-8');
 
+        $message = \preg_replace('/(^|\n)> (```)/', '\\1\\2', $message);
+
         $out = $parsedown->text($message);
 
         $out = \preg_replace(