From 9f1874345ad02af000e076a4e85f63ed1054fa19 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20Bj=C3=B6rk?= <stefan.bjork@gmail.com>
Date: Thu, 12 Dec 2019 15:52:42 +0100
Subject: [PATCH] Images with nonempty alt text, occurring by itself in a
 paragraph, will be rendered as figure with a caption, like pandoc's markdown
 (see <https://pandoc.org/MANUAL.html#images>). This is controlled with a new
 configuration option `fig.captions`.

---
 system/includes/functions.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/system/includes/functions.php b/system/includes/functions.php
index 1237111..a74df82 100644
--- a/system/includes/functions.php
+++ b/system/includes/functions.php
@@ -360,6 +360,11 @@ function get_posts($posts, $page = 1, $perpage = 0)
         // Get the contents and convert it to HTML
         $post->body = MarkdownExtra::defaultTransform(remove_html_comments($content));
 
+        // Convert image tags to figures
+        if (config('fig.captions') == 'true') {
+            $post->body = preg_replace( '/<p>(<img .*?alt="(.*?)"\s*\/>)<\/p>/', '<figure>$1<figcaption>$2</figcaption></figure>', $post->body );
+        }
+
         if (config('views.counter') == 'true') {
             $post->views = get_views($post->file);
         } else {