update composr libs

(cherry picked from commit 2df15f35d706d4608ff723ce6288391ca774f7ba)

28 files changed, 159 insertions, 71 deletions

diff --git a/composer.lock b/composer.lock
index 1edaf585e..b4c8b9381 100644
--- a/composer.lock
+++ b/composer.lock
@@ -204,16 +204,16 @@
         },
         {
             "name": "ezyang/htmlpurifier",
-            "version": "v4.11.0",
+            "version": "v4.12.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/ezyang/htmlpurifier.git",
-                "reference": "83ab08bc1af7d808a9e0fbf024f1c24bfd73c0a7"
+                "reference": "a617e55bc62a87eec73bd456d146d134ad716f03"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/ezyang/htmlpurifier/zipball/83ab08bc1af7d808a9e0fbf024f1c24bfd73c0a7",
-                "reference": "83ab08bc1af7d808a9e0fbf024f1c24bfd73c0a7",
+                "url": "https://api.github.com/repos/ezyang/htmlpurifier/zipball/a617e55bc62a87eec73bd456d146d134ad716f03",
+                "reference": "a617e55bc62a87eec73bd456d146d134ad716f03",
                 "shasum": ""
             },
             "require": {
@@ -247,20 +247,20 @@
             "keywords": [
                 "html"
             ],
-            "time": "2019-07-14T18:58:38+00:00"
+            "time": "2019-10-28T03:44:26+00:00"
         },
         {
             "name": "league/html-to-markdown",
-            "version": "4.8.2",
+            "version": "4.9.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/thephpleague/html-to-markdown.git",
-                "reference": "e747489191f8e9144a7270eb61f8b9516e99e413"
+                "reference": "71319108e3db506250b8987721b13568fd9fa446"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/thephpleague/html-to-markdown/zipball/e747489191f8e9144a7270eb61f8b9516e99e413",
-                "reference": "e747489191f8e9144a7270eb61f8b9516e99e413",
+                "url": "https://api.github.com/repos/thephpleague/html-to-markdown/zipball/71319108e3db506250b8987721b13568fd9fa446",
+                "reference": "71319108e3db506250b8987721b13568fd9fa446",
                 "shasum": ""
             },
             "require": {
@@ -270,7 +270,7 @@
             },
             "require-dev": {
                 "mikehaertl/php-shellcommand": "~1.1.0",
-                "phpunit/phpunit": "4.*",
+                "phpunit/phpunit": "^4.8|^5.7",
                 "scrutinizer/ocular": "~1.1"
             },
             "bin": [
@@ -279,7 +279,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.9-dev"
+                    "dev-master": "4.10-dev"
                 }
             },
             "autoload": {
@@ -311,7 +311,7 @@
                 "html",
                 "markdown"
             ],
-            "time": "2019-08-02T11:57:39+00:00"
+            "time": "2019-11-02T14:54:14+00:00"
         },
         {
             "name": "lukasreschke/id3parser",
@@ -485,16 +485,16 @@
         },
         {
             "name": "psr/log",
-            "version": "1.1.0",
+            "version": "1.1.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/php-fig/log.git",
-                "reference": "6c001f1daafa3a3ac1d8ff69ee4db8e799a654dd"
+                "reference": "446d54b4cb6bf489fc9d75f55843658e6f25d801"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/log/zipball/6c001f1daafa3a3ac1d8ff69ee4db8e799a654dd",
-                "reference": "6c001f1daafa3a3ac1d8ff69ee4db8e799a654dd",
+                "url": "https://api.github.com/repos/php-fig/log/zipball/446d54b4cb6bf489fc9d75f55843658e6f25d801",
+                "reference": "446d54b4cb6bf489fc9d75f55843658e6f25d801",
                 "shasum": ""
             },
             "require": {
@@ -503,7 +503,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0.x-dev"
+                    "dev-master": "1.1.x-dev"
                 }
             },
             "autoload": {
@@ -528,7 +528,7 @@
                 "psr",
                 "psr-3"
             ],
-            "time": "2018-11-20T15:27:04+00:00"
+            "time": "2019-11-01T11:05:21+00:00"
         },
         {
             "name": "ramsey/uuid",
diff --git a/vendor/composer/autoload_classmap.php b/vendor/composer/autoload_classmap.php
index c006debcd..86f96c432 100644
--- a/vendor/composer/autoload_classmap.php
+++ b/vendor/composer/autoload_classmap.php
@@ -380,6 +380,9 @@ return array(
     'Psr\\Log\\LoggerInterface' => $vendorDir . '/psr/log/Psr/Log/LoggerInterface.php',
     'Psr\\Log\\LoggerTrait' => $vendorDir . '/psr/log/Psr/Log/LoggerTrait.php',
     'Psr\\Log\\NullLogger' => $vendorDir . '/psr/log/Psr/Log/NullLogger.php',
+    'Psr\\Log\\Test\\DummyTest' => $vendorDir . '/psr/log/Psr/Log/Test/LoggerInterfaceTest.php',
+    'Psr\\Log\\Test\\LoggerInterfaceTest' => $vendorDir . '/psr/log/Psr/Log/Test/LoggerInterfaceTest.php',
+    'Psr\\Log\\Test\\TestLogger' => $vendorDir . '/psr/log/Psr/Log/Test/TestLogger.php',
     'Ramsey\\Uuid\\BinaryUtils' => $vendorDir . '/ramsey/uuid/src/BinaryUtils.php',
     'Ramsey\\Uuid\\Builder\\DefaultUuidBuilder' => $vendorDir . '/ramsey/uuid/src/Builder/DefaultUuidBuilder.php',
     'Ramsey\\Uuid\\Builder\\DegradedUuidBuilder' => $vendorDir . '/ramsey/uuid/src/Builder/DegradedUuidBuilder.php',
diff --git a/vendor/composer/autoload_static.php b/vendor/composer/autoload_static.php
index 2c9c7dd96..107cc6a61 100644
--- a/vendor/composer/autoload_static.php
+++ b/vendor/composer/autoload_static.php
@@ -548,6 +548,9 @@ class ComposerStaticInit7b34d7e50a62201ec5d5e526a5b8b35d
         'Psr\\Log\\LoggerInterface' => __DIR__ . '/..' . '/psr/log/Psr/Log/LoggerInterface.php',
         'Psr\\Log\\LoggerTrait' => __DIR__ . '/..' . '/psr/log/Psr/Log/LoggerTrait.php',
         'Psr\\Log\\NullLogger' => __DIR__ . '/..' . '/psr/log/Psr/Log/NullLogger.php',
+        'Psr\\Log\\Test\\DummyTest' => __DIR__ . '/..' . '/psr/log/Psr/Log/Test/LoggerInterfaceTest.php',
+        'Psr\\Log\\Test\\LoggerInterfaceTest' => __DIR__ . '/..' . '/psr/log/Psr/Log/Test/LoggerInterfaceTest.php',
+        'Psr\\Log\\Test\\TestLogger' => __DIR__ . '/..' . '/psr/log/Psr/Log/Test/TestLogger.php',
         'Ramsey\\Uuid\\BinaryUtils' => __DIR__ . '/..' . '/ramsey/uuid/src/BinaryUtils.php',
         'Ramsey\\Uuid\\Builder\\DefaultUuidBuilder' => __DIR__ . '/..' . '/ramsey/uuid/src/Builder/DefaultUuidBuilder.php',
         'Ramsey\\Uuid\\Builder\\DegradedUuidBuilder' => __DIR__ . '/..' . '/ramsey/uuid/src/Builder/DegradedUuidBuilder.php',
diff --git a/vendor/composer/installed.json b/vendor/composer/installed.json
index 9e099b5e9..cd3f3cadf 100644
--- a/vendor/composer/installed.json
+++ b/vendor/composer/installed.json
@@ -205,17 +205,17 @@
     },
     {
         "name": "ezyang/htmlpurifier",
-        "version": "v4.11.0",
-        "version_normalized": "4.11.0.0",
+        "version": "v4.12.0",
+        "version_normalized": "4.12.0.0",
         "source": {
             "type": "git",
             "url": "https://github.com/ezyang/htmlpurifier.git",
-            "reference": "83ab08bc1af7d808a9e0fbf024f1c24bfd73c0a7"
+            "reference": "a617e55bc62a87eec73bd456d146d134ad716f03"
         },
         "dist": {
             "type": "zip",
-            "url": "https://api.github.com/repos/ezyang/htmlpurifier/zipball/83ab08bc1af7d808a9e0fbf024f1c24bfd73c0a7",
-            "reference": "83ab08bc1af7d808a9e0fbf024f1c24bfd73c0a7",
+            "url": "https://api.github.com/repos/ezyang/htmlpurifier/zipball/a617e55bc62a87eec73bd456d146d134ad716f03",
+            "reference": "a617e55bc62a87eec73bd456d146d134ad716f03",
             "shasum": ""
         },
         "require": {
@@ -224,7 +224,7 @@
         "require-dev": {
             "simpletest/simpletest": "dev-master#72de02a7b80c6bb8864ef9bf66d41d2f58f826bd"
         },
-        "time": "2019-07-14T18:58:38+00:00",
+        "time": "2019-10-28T03:44:26+00:00",
         "type": "library",
         "installation-source": "dist",
         "autoload": {
@@ -254,17 +254,17 @@
     },
     {
         "name": "league/html-to-markdown",
-        "version": "4.8.2",
-        "version_normalized": "4.8.2.0",
+        "version": "4.9.0",
+        "version_normalized": "4.9.0.0",
         "source": {
             "type": "git",
             "url": "https://github.com/thephpleague/html-to-markdown.git",
-            "reference": "e747489191f8e9144a7270eb61f8b9516e99e413"
+            "reference": "71319108e3db506250b8987721b13568fd9fa446"
         },
         "dist": {
             "type": "zip",
-            "url": "https://api.github.com/repos/thephpleague/html-to-markdown/zipball/e747489191f8e9144a7270eb61f8b9516e99e413",
-            "reference": "e747489191f8e9144a7270eb61f8b9516e99e413",
+            "url": "https://api.github.com/repos/thephpleague/html-to-markdown/zipball/71319108e3db506250b8987721b13568fd9fa446",
+            "reference": "71319108e3db506250b8987721b13568fd9fa446",
             "shasum": ""
         },
         "require": {
@@ -274,17 +274,17 @@
         },
         "require-dev": {
             "mikehaertl/php-shellcommand": "~1.1.0",
-            "phpunit/phpunit": "4.*",
+            "phpunit/phpunit": "^4.8|^5.7",
             "scrutinizer/ocular": "~1.1"
         },
-        "time": "2019-08-02T11:57:39+00:00",
+        "time": "2019-11-02T14:54:14+00:00",
         "bin": [
             "bin/html-to-markdown"
         ],
         "type": "library",
         "extra": {
             "branch-alias": {
-                "dev-master": "4.9-dev"
+                "dev-master": "4.10-dev"
             }
         },
         "installation-source": "dist",
@@ -498,27 +498,27 @@
     },
     {
         "name": "psr/log",
-        "version": "1.1.0",
-        "version_normalized": "1.1.0.0",
+        "version": "1.1.2",
+        "version_normalized": "1.1.2.0",
         "source": {
             "type": "git",
             "url": "https://github.com/php-fig/log.git",
-            "reference": "6c001f1daafa3a3ac1d8ff69ee4db8e799a654dd"
+            "reference": "446d54b4cb6bf489fc9d75f55843658e6f25d801"
         },
         "dist": {
             "type": "zip",
-            "url": "https://api.github.com/repos/php-fig/log/zipball/6c001f1daafa3a3ac1d8ff69ee4db8e799a654dd",
-            "reference": "6c001f1daafa3a3ac1d8ff69ee4db8e799a654dd",
+            "url": "https://api.github.com/repos/php-fig/log/zipball/446d54b4cb6bf489fc9d75f55843658e6f25d801",
+            "reference": "446d54b4cb6bf489fc9d75f55843658e6f25d801",
             "shasum": ""
         },
         "require": {
             "php": ">=5.3.0"
         },
-        "time": "2018-11-20T15:27:04+00:00",
+        "time": "2019-11-01T11:05:21+00:00",
         "type": "library",
         "extra": {
             "branch-alias": {
-                "dev-master": "1.0.x-dev"
+                "dev-master": "1.1.x-dev"
             }
         },
         "installation-source": "dist",
diff --git a/vendor/ezyang/htmlpurifier/NEWS b/vendor/ezyang/htmlpurifier/NEWS
index de2f2782e..352835012 100644
--- a/vendor/ezyang/htmlpurifier/NEWS
+++ b/vendor/ezyang/htmlpurifier/NEWS
@@ -9,6 +9,12 @@ NEWS ( CHANGELOG and HISTORY )                                     HTMLPurifier
     . Internal change
 ==========================
 
+4.12.0, released 2019-10-27
+! PHP 7.4 is supported, thank you Witold Wasiczko, Mateuz Turcza and
+  Edi Modrić
+- PHPDocs for HTMLModule::addElement() and Bool attr are fixed (thanks
+  Mateusz)
+
 4.11.0, released 2019-07-14
 # SafeScripting now matches case-sensitively against its whitelist (previously it was
   case-insensitive.)  Thanks Dimitri Gritsajuk <gritsajuk.dimitri@gmail.com>
diff --git a/vendor/ezyang/htmlpurifier/VERSION b/vendor/ezyang/htmlpurifier/VERSION
index 91f3b4384..bcd250ed0 100644
--- a/vendor/ezyang/htmlpurifier/VERSION
+++ b/vendor/ezyang/htmlpurifier/VERSION
@@ -1 +1 @@
-4.11.0
\ No newline at end of file
+4.12.0
\ No newline at end of file
diff --git a/vendor/ezyang/htmlpurifier/WHATSNEW b/vendor/ezyang/htmlpurifier/WHATSNEW
index d34a27f54..aec9b37c1 100644
--- a/vendor/ezyang/htmlpurifier/WHATSNEW
+++ b/vendor/ezyang/htmlpurifier/WHATSNEW
@@ -1,7 +1,2 @@
-HTML Purifier 4.11.x is a maintenance release, collecting a year
-and a half of accumulated bug fixes.  Most notable fixes are
-compatibility with PHP 7.3, and case-sensitive matching for
-the SafeScripting whitelist.  There are a number small feature
-enhancements, including an expanded supported color list,
-initial and inherit support for {min-,max-,}{width,height}
-and multidimensional array support for purifyArray.
+HTML Purifier 4.12.x is a maintenance release which makes
+compatibility fixes for PHP 7.4.
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier.includes.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier.includes.php
index c88c55989..3158b2b86 100644
--- a/vendor/ezyang/htmlpurifier/library/HTMLPurifier.includes.php
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier.includes.php
@@ -7,7 +7,7 @@
  * primary concern and you are using an opcode cache. PLEASE DO NOT EDIT THIS
  * FILE, changes will be overwritten the next time the script is run.
  *
- * @version 4.11.0
+ * @version 4.12.0
  *
  * @warning
  *      You must *not* include any other HTML Purifier files before this file,
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier.php
index 0bd2a3ba6..58bbddb02 100644
--- a/vendor/ezyang/htmlpurifier/library/HTMLPurifier.php
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier.php
@@ -19,7 +19,7 @@
  */
 
 /*
-    HTML Purifier 4.11.0 - Standards Compliant HTML Filtering
+    HTML Purifier 4.12.0 - Standards Compliant HTML Filtering
     Copyright (C) 2006-2008 Edward Z. Yang
 
     This library is free software; you can redistribute it and/or
@@ -58,12 +58,12 @@ class HTMLPurifier
      * Version of HTML Purifier.
      * @type string
      */
-    public $version = '4.11.0';
+    public $version = '4.12.0';
 
     /**
      * Constant with version of HTML Purifier.
      */
-    const VERSION = '4.11.0';
+    const VERSION = '4.12.0';
 
     /**
      * Global configuration object.
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Bool.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Bool.php
index dea15d2cd..be3bbc8dc 100644
--- a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Bool.php
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Bool.php
@@ -7,7 +7,7 @@ class HTMLPurifier_AttrDef_HTML_Bool extends HTMLPurifier_AttrDef
 {
 
     /**
-     * @type bool
+     * @type string
      */
     protected $name;
 
@@ -17,7 +17,7 @@ class HTMLPurifier_AttrDef_HTML_Bool extends HTMLPurifier_AttrDef
     public $minimized = true;
 
     /**
-     * @param bool $name
+     * @param bool|string $name
      */
     public function __construct($name = false)
     {
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Custom.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Custom.php
index 128132e96..f515888a1 100644
--- a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Custom.php
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Custom.php
@@ -45,7 +45,7 @@ class HTMLPurifier_ChildDef_Custom extends HTMLPurifier_ChildDef
     protected function _compileRegex()
     {
         $raw = str_replace(' ', '', $this->dtd_regex);
-        if ($raw{0} != '(') {
+        if ($raw[0] != '(') {
             $raw = "($raw)";
         }
         $el = '[#a-zA-Z0-9_.-]+';
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Config.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Config.php
index 21e8cd768..f569d40c9 100644
--- a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Config.php
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Config.php
@@ -21,7 +21,7 @@ class HTMLPurifier_Config
      * HTML Purifier's version
      * @type string
      */
-    public $version = '4.11.0';
+    public $version = '4.12.0';
 
     /**
      * Whether or not to automatically finalize
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Encoder.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Encoder.php
index b94f17542..40a24266a 100644
--- a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Encoder.php
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Encoder.php
@@ -159,7 +159,7 @@ class HTMLPurifier_Encoder
 
         $len = strlen($str);
         for ($i = 0; $i < $len; $i++) {
-            $in = ord($str{$i});
+            $in = ord($str[$i]);
             $char .= $str[$i]; // append byte to char
             if (0 == $mState) {
                 // When mState is zero we expect either a US-ASCII character
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule.php
index bb3a9230b..6d898f80c 100644
--- a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule.php
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule.php
@@ -132,9 +132,9 @@ class HTMLPurifier_HTMLModule
      * @param string $element Name of element to add
      * @param string|bool $type What content set should element be registered to?
      *              Set as false to skip this step.
-     * @param string $contents Allowed children in form of:
+     * @param string|HTMLPurifier_ChildDef $contents Allowed children in form of:
      *              "$content_model_type: $content_model"
-     * @param array $attr_includes What attribute collections to register to
+     * @param array|string $attr_includes What attribute collections to register to
      *              element?
      * @param array $attr What unique attributes does the element define?
      * @see HTMLPurifier_ElementDef:: for in-depth descriptions of these parameters.
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Lexer/DOMLex.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Lexer/DOMLex.php
index b573426de..ca5f25b84 100644
--- a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Lexer/DOMLex.php
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Lexer/DOMLex.php
@@ -74,7 +74,12 @@ class HTMLPurifier_Lexer_DOMLex extends HTMLPurifier_Lexer
         }
 
         set_error_handler(array($this, 'muteErrorHandler'));
-        $doc->loadHTML($html, $options);
+        // loadHTML() fails on PHP 5.3 when second parameter is given
+        if ($options) {
+            $doc->loadHTML($html, $options);
+        } else {
+            $doc->loadHTML($html);
+        }
         restore_error_handler();
 
         $body = $doc->getElementsByTagName('html')->item(0)-> // <html>
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/TagTransform/Font.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/TagTransform/Font.php
index 7853d90bc..768c9b153 100644
--- a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/TagTransform/Font.php
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/TagTransform/Font.php
@@ -75,7 +75,7 @@ class HTMLPurifier_TagTransform_Font extends HTMLPurifier_TagTransform
         if (isset($attr['size'])) {
             // normalize large numbers
             if ($attr['size'] !== '') {
-                if ($attr['size']{0} == '+' || $attr['size']{0} == '-') {
+                if ($attr['size'][0] == '+' || $attr['size'][0] == '-') {
                     $size = (int)$attr['size'];
                     if ($size < -2) {
                         $attr['size'] = '-2';
diff --git a/vendor/league/html-to-markdown/.github/FUNDING.yml b/vendor/league/html-to-markdown/.github/FUNDING.yml
index 09cdff5da..40a26fbff 100644
--- a/vendor/league/html-to-markdown/.github/FUNDING.yml
+++ b/vendor/league/html-to-markdown/.github/FUNDING.yml
@@ -1 +1,2 @@
+github: colinodell
 patreon: colinodell
diff --git a/vendor/league/html-to-markdown/CHANGELOG.md b/vendor/league/html-to-markdown/CHANGELOG.md
index 8f131fc46..ded540682 100644
--- a/vendor/league/html-to-markdown/CHANGELOG.md
+++ b/vendor/league/html-to-markdown/CHANGELOG.md
@@ -4,6 +4,14 @@ Updates should follow the [Keep a CHANGELOG](http://keepachangelog.com/) princip
 
 ## [Unreleased][unreleased]
 
+## [4.9.0] - 2019-11-02
+## Added
+ - Added new option to preserve comments (#177, #179)
+
+## [4.8.3] - 2019-10-31
+### Fixed
+ - Fixed whitespace preservation around `<code>` tags (#174, #178)
+
 ## [4.8.2] - 2019-08-02
 ### Fixed
  - Fixed headers not being placed onto a new line in some cases (#172)
@@ -251,7 +259,9 @@ not ideally set, so this releases fixes that. Moving forwards this should reduce
 ### Added
  - Initial release
 
-[unreleased]: https://github.com/thephpleague/html-to-markdown/compare/4.8.2...master
+[unreleased]: https://github.com/thephpleague/html-to-markdown/compare/4.9.0...master
+[4.9.0]: https://github.com/thephpleague/html-to-markdown/compare/4.8.3...4.9.0
+[4.8.3]: https://github.com/thephpleague/html-to-markdown/compare/4.8.2...4.8.3
 [4.8.2]: https://github.com/thephpleague/html-to-markdown/compare/4.8.1...4.8.2
 [4.8.1]: https://github.com/thephpleague/html-to-markdown/compare/4.8.0...4.8.1
 [4.8.0]: https://github.com/thephpleague/html-to-markdown/compare/4.7.0...4.8.0
diff --git a/vendor/league/html-to-markdown/README.md b/vendor/league/html-to-markdown/README.md
index ab80541e6..c7ae2dcab 100644
--- a/vendor/league/html-to-markdown/README.md
+++ b/vendor/league/html-to-markdown/README.md
@@ -28,7 +28,7 @@ Typically you would convert HTML to Markdown if:
 
 1. You have an existing HTML document that needs to be edited by people with good taste.
 2. You want to store new content in HTML format but edit it as Markdown.
-3. You want to convert HTML email to plain text email. 
+3. You want to convert HTML email to plain text email.
 4. You know a guy who's been converting HTML to Markdown for years, and now he can speak Elvish. You'd quite like to be able to speak Elvish.
 5. You just really like Markdown.
 
@@ -95,6 +95,24 @@ $html = '<span>Turnips!</span><div>Monkeys!</div>';
 $markdown = $converter->convert($html); // $markdown now contains ""
 ```
 
+By default, all comments are stripped from the content. To preserve them, use the `preserve_comments` option, like this:
+
+```php
+$converter = new HtmlConverter(array('preserve_comments' => true));
+
+$html = '<span>Turnips!</span><!-- Monkeys! -->';
+$markdown = $converter->convert($html); // $markdown now contains "Turnips!<!-- Monkeys! -->"
+```
+
+To preserve only specific comments, set `preserve_comments` with an array of strings, like this:
+
+```php
+$converter = new HtmlConverter(array('preserve_comments' => array('Eggs!')));
+
+$html = '<span>Turnips!</span><!-- Monkeys! --><!-- Eggs! -->';
+$markdown = $converter->convert($html); // $markdown now contains "Turnips!<!-- Eggs! -->"
+```
+
 ### Style options
 
 By default bold tags are converted using the asterisk syntax, and italic tags are converted using the underlined syntax. Change these by using the `bold_style` and `italic_style` options.
@@ -161,7 +179,7 @@ $markdown = $converter->convert($html); // $markdown now contains "### Header" a
 
      Headers of H3 priority and lower always use atx style.
 
-- Links and images are referenced inline. Footnote references (where image src and anchor href attributes are listed in the footnotes) are not used. 
+- Links and images are referenced inline. Footnote references (where image src and anchor href attributes are listed in the footnotes) are not used.
 - Blockquotes aren't line wrapped – it makes the converted Markdown easier to edit.
 
 ### Dependencies
@@ -193,4 +211,3 @@ Use one of these great libraries:
  - [Parsedown](https://github.com/erusev/parsedown)
 
 No guarantees about the Elvish, though.
-
diff --git a/vendor/league/html-to-markdown/composer.json b/vendor/league/html-to-markdown/composer.json
index 53403916e..7990bcace 100644
--- a/vendor/league/html-to-markdown/composer.json
+++ b/vendor/league/html-to-markdown/composer.json
@@ -36,13 +36,13 @@
     },
     "require-dev": {
         "mikehaertl/php-shellcommand": "~1.1.0",
-        "phpunit/phpunit": "4.*",
+        "phpunit/phpunit": "^4.8|^5.7",
         "scrutinizer/ocular": "~1.1"
     },
     "bin": ["bin/html-to-markdown"],
     "extra": {
         "branch-alias": {
-            "dev-master": "4.9-dev"
+            "dev-master": "4.10-dev"
         }
     }
 }
diff --git a/vendor/league/html-to-markdown/src/Converter/CommentConverter.php b/vendor/league/html-to-markdown/src/Converter/CommentConverter.php
index 55038b254..959381d1b 100644
--- a/vendor/league/html-to-markdown/src/Converter/CommentConverter.php
+++ b/vendor/league/html-to-markdown/src/Converter/CommentConverter.php
@@ -2,17 +2,35 @@
 
 namespace League\HTMLToMarkdown\Converter;
 
+use League\HTMLToMarkdown\Configuration;
+use League\HTMLToMarkdown\ConfigurationAwareInterface;
 use League\HTMLToMarkdown\ElementInterface;
 
-class CommentConverter implements ConverterInterface
+class CommentConverter implements ConverterInterface, ConfigurationAwareInterface
 {
     /**
+     * @var Configuration
+     */
+    protected $config;
+
+    /**
+     * @param Configuration $config
+     */
+    public function setConfig(Configuration $config)
+    {
+        $this->config = $config;
+    }
+
+    /**
      * @param ElementInterface $element
      *
      * @return string
      */
     public function convert(ElementInterface $element)
     {
+        if ($this->shouldPreserve($element)) {
+            return '<!--' . $element->getValue() . '-->';
+        }
         return '';
     }
 
@@ -23,4 +41,22 @@ class CommentConverter implements ConverterInterface
     {
         return array('#comment');
     }
+
+    /**
+     * @param ElementInterface $element
+     *
+     * @return bool
+     */
+    private function shouldPreserve(ElementInterface $element)
+    {
+        $preserve = $this->config->getOption('preserve_comments');
+        if ($preserve === true) {
+            return true;
+        }
+        if (is_array($preserve)) {
+            $value = trim($element->getValue());
+            return in_array($value, $preserve);
+        }
+        return false;
+    }
 }
diff --git a/vendor/league/html-to-markdown/src/Element.php b/vendor/league/html-to-markdown/src/Element.php
index e1e9d1a09..80ae7a911 100644
--- a/vendor/league/html-to-markdown/src/Element.php
+++ b/vendor/league/html-to-markdown/src/Element.php
@@ -27,7 +27,6 @@ class Element implements ElementInterface
         switch ($this->getTagName()) {
             case 'blockquote':
             case 'body':
-            case 'code':
             case 'div':
             case 'h1':
             case 'h2':
diff --git a/vendor/league/html-to-markdown/src/HtmlConverter.php b/vendor/league/html-to-markdown/src/HtmlConverter.php
index 3381e1e1e..846131af6 100644
--- a/vendor/league/html-to-markdown/src/HtmlConverter.php
+++ b/vendor/league/html-to-markdown/src/HtmlConverter.php
@@ -40,6 +40,7 @@ class HtmlConverter implements HtmlConverterInterface
                 'remove_nodes' => '', // space-separated list of dom nodes that should be removed. example: 'meta style script'
                 'hard_break' => false, // Set to true to turn <br> into `\n` instead of `  \n`
                 'list_item_style' => '-', // Set the default character for each <li> in a <ul>. Can be '-', '*', or '+'
+                'preserve_comments' => false, // Set to true to preserve comments, or set to an array of strings to preserve specific comments
             );
 
             $this->environment = Environment::createDefaultEnvironment($defaults);
@@ -229,13 +230,13 @@ class HtmlConverter implements HtmlConverterInterface
 
         return trim($markdown, "\n\r\0\x0B");
     }
-    
+
     /**
      * Pass a series of key-value pairs in an array; these will be passed
      * through the config and set.
      * The advantage of this is that it can allow for static use (IE in Laravel).
      * An example being:
-     * 
+     *
      * HtmlConverter::setOptions(['strip_tags' => true])->convert('<h1>test</h1>');
      */
     public function setOptions(array $options)
diff --git a/vendor/psr/log/Psr/Log/LoggerInterface.php b/vendor/psr/log/Psr/Log/LoggerInterface.php
index 5ea72438b..e695046e3 100644
--- a/vendor/psr/log/Psr/Log/LoggerInterface.php
+++ b/vendor/psr/log/Psr/Log/LoggerInterface.php
@@ -118,6 +118,8 @@ interface LoggerInterface
      * @param array  $context
      *
      * @return void
+     *
+     * @throws \Psr\Log\InvalidArgumentException
      */
     public function log($level, $message, array $context = array());
 }
diff --git a/vendor/psr/log/Psr/Log/LoggerTrait.php b/vendor/psr/log/Psr/Log/LoggerTrait.php
index 867225df1..e392fef0a 100644
--- a/vendor/psr/log/Psr/Log/LoggerTrait.php
+++ b/vendor/psr/log/Psr/Log/LoggerTrait.php
@@ -135,6 +135,8 @@ trait LoggerTrait
      * @param array  $context
      *
      * @return void
+     *
+     * @throws \Psr\Log\InvalidArgumentException
      */
     abstract public function log($level, $message, array $context = array());
 }
diff --git a/vendor/psr/log/Psr/Log/NullLogger.php b/vendor/psr/log/Psr/Log/NullLogger.php
index d8cd682c8..c8f7293b1 100644
--- a/vendor/psr/log/Psr/Log/NullLogger.php
+++ b/vendor/psr/log/Psr/Log/NullLogger.php
@@ -20,6 +20,8 @@ class NullLogger extends AbstractLogger
      * @param array  $context
      *
      * @return void
+     *
+     * @throws \Psr\Log\InvalidArgumentException
      */
     public function log($level, $message, array $context = array())
     {
diff --git a/vendor/psr/log/README.md b/vendor/psr/log/README.md
index 5571a25e8..a9f20c437 100644
--- a/vendor/psr/log/README.md
+++ b/vendor/psr/log/README.md
@@ -38,6 +38,12 @@ class Foo
         if ($this->logger) {
             $this->logger->info('Doing work');
         }
+           
+        try {
+            $this->doSomethingElse();
+        } catch (Exception $exception) {
+            $this->logger->error('Oh no!', array('exception' => $exception));
+        }
 
         // do something useful
     }
diff --git a/vendor/psr/log/composer.json b/vendor/psr/log/composer.json
index 87934d707..3f6d4eea4 100644
--- a/vendor/psr/log/composer.json
+++ b/vendor/psr/log/composer.json
@@ -20,7 +20,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.0.x-dev"
+            "dev-master": "1.1.x-dev"
         }
     }
 }