From cf76ad529b99ebe89714894c435368b190bcbecc Mon Sep 17 00:00:00 2001
From: Jakub Vrana <jakub@vrana.cz>
Date: Mon, 9 Jul 2018 16:46:32 +0200
Subject: [PATCH] Fix inline editing of empty cells

---
 adminer/include/version.inc.php | 2 +-
 adminer/static/functions.js     | 4 ++--
 changes.txt                     | 3 +++
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/adminer/include/version.inc.php b/adminer/include/version.inc.php
index 046f557f..19a598c7 100644
--- a/adminer/include/version.inc.php
+++ b/adminer/include/version.inc.php
@@ -1,2 +1,2 @@
 <?php
-$VERSION = "4.6.3";
+$VERSION = "4.6.4-dev";
diff --git a/adminer/static/functions.js b/adminer/static/functions.js
index ea88c229..ce2dddbf 100644
--- a/adminer/static/functions.js
+++ b/adminer/static/functions.js
@@ -143,7 +143,7 @@ function selectValue(select) {
 */
 function isTag(el, tag) {
 	var re = new RegExp('^(' + tag + ')$', 'i');
-	return re.test(el.tagName);
+	return el && re.test(el.tagName);
 }
 
 /** Get parent node with specified tag name
@@ -702,7 +702,7 @@ function selectClick(event, text, warning) {
 		}
 	};
 	var pos = event.rangeOffset;
-	var value = td.firstChild.alt || td.textContent || td.innerText;
+	var value = (td.firstChild && td.firstChild.alt) || td.textContent || td.innerText;
 	input.style.width = Math.max(td.clientWidth - 14, 20) + 'px'; // 14 = 2 * (td.border + td.padding + input.border)
 	if (text) {
 		var rows = 1;
diff --git a/changes.txt b/changes.txt
index b11d0230..af1990ed 100644
--- a/changes.txt
+++ b/changes.txt
@@ -1,3 +1,6 @@
+Adminer 4.6.4-dev:
+Fix inline editing of empty cells (regression from 4.6.3)
+
 Adminer 4.6.3 (released 2018-06-28):
 Disallow using password-less databases
 Copy triggers when copying table