From cdaef76fafbe837a7f2b9949e7303c3b87a2612d Mon Sep 17 00:00:00 2001
From: Johannes Meyer <johannes.meyer@icinga.com>
Date: Thu, 27 Jun 2019 09:20:11 +0200
Subject: [PATCH] vendor: Update Parsedown to version 1.7.3

refs #3785
---
 library/vendor/Parsedown/Parsedown.php | 18 ++++++++++++++++--
 library/vendor/Parsedown/SOURCE        |  2 +-
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/library/vendor/Parsedown/Parsedown.php b/library/vendor/Parsedown/Parsedown.php
index 87d612ab8..a34b44f0f 100644
--- a/library/vendor/Parsedown/Parsedown.php
+++ b/library/vendor/Parsedown/Parsedown.php
@@ -17,7 +17,7 @@ class Parsedown
 {
     # ~
 
-    const version = '1.7.1';
+    const version = '1.7.3';
 
     # ~
 
@@ -429,7 +429,21 @@ class Parsedown
 
             if (isset($matches[1]))
             {
-                $class = 'language-'.$matches[1];
+                /**
+                 * https://www.w3.org/TR/2011/WD-html5-20110525/elements.html#classes
+                 * Every HTML element may have a class attribute specified.
+                 * The attribute, if specified, must have a value that is a set
+                 * of space-separated tokens representing the various classes
+                 * that the element belongs to.
+                 * [...]
+                 * The space characters, for the purposes of this specification,
+                 * are U+0020 SPACE, U+0009 CHARACTER TABULATION (tab),
+                 * U+000A LINE FEED (LF), U+000C FORM FEED (FF), and
+                 * U+000D CARRIAGE RETURN (CR).
+                 */
+                $language = substr($matches[1], 0, strcspn($matches[1], " \t\n\f\r"));
+
+                $class = 'language-'.$language;
 
                 $Element['attributes'] = array(
                     'class' => $class,
diff --git a/library/vendor/Parsedown/SOURCE b/library/vendor/Parsedown/SOURCE
index ead5e4ec4..4570e917c 100644
--- a/library/vendor/Parsedown/SOURCE
+++ b/library/vendor/Parsedown/SOURCE
@@ -1,4 +1,4 @@
-RELEASE=1.7.1
+RELEASE=1.7.3
 PARSEDOWN=parsedown-$RELEASE
 curl https://codeload.github.com/erusev/parsedown/tar.gz/${RELEASE} -o ${PARSEDOWN}.tar.gz
 tar xfz ${PARSEDOWN}.tar.gz --strip-components 1 ${PARSEDOWN}/Parsedown.php ${PARSEDOWN}/LICENSE.txt