From 4131cf1d6fde6b80848a4af12ec543fa981069cf Mon Sep 17 00:00:00 2001
From: Damyon Wiese <damyon@moodle.com>
Date: Mon, 15 Aug 2016 15:02:37 +0800
Subject: [PATCH] MDL-54687 messages: Fix height bug with auto-rows textarea

Firefox reserves height for the horizontal scroll bars in a textarea. This
mucks up the height calculations for this element. Prevent it with overflow-x.
---
 theme/bootstrapbase/less/moodle/forms.less | 4 ++++
 theme/bootstrapbase/style/moodle.css       | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/theme/bootstrapbase/less/moodle/forms.less b/theme/bootstrapbase/less/moodle/forms.less
index 3087c476dd9..de3515953c5 100644
--- a/theme/bootstrapbase/less/moodle/forms.less
+++ b/theme/bootstrapbase/less/moodle/forms.less
@@ -524,3 +524,7 @@ input[size] {
     padding: 0.5em;
     font-size: large;
 }
+
+textarea[data-auto-rows] {
+    overflow-x: hidden;
+}
diff --git a/theme/bootstrapbase/style/moodle.css b/theme/bootstrapbase/style/moodle.css
index 5671bf2d682..51af3a0bc0f 100644
--- a/theme/bootstrapbase/style/moodle.css
+++ b/theme/bootstrapbase/style/moodle.css
@@ -14155,6 +14155,9 @@ input[size] {
   padding: 0.5em;
   font-size: large;
 }
+textarea[data-auto-rows] {
+  overflow-x: hidden;
+}
 body.modal-open {
   overflow: hidden;
 }