From 9ad10730c00e87a37c917a855a2f6a0c5d035622 Mon Sep 17 00:00:00 2001
From: Andrew Nacin <wp@andrewnacin.com>
Date: Wed, 21 Nov 2012 12:03:35 +0000
Subject: [PATCH] Non-images don't have alternative text. props helenyhou. see
 #21391.

git-svn-id: http://core.svn.wordpress.org/trunk@22748 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/includes/media.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/wp-admin/includes/media.php b/wp-admin/includes/media.php
index c1933335d4..5944c9f9b1 100644
--- a/wp-admin/includes/media.php
+++ b/wp-admin/includes/media.php
@@ -2280,13 +2280,14 @@ function edit_form_image_editor() {
 			<label for="attachment_caption"><strong><?php _e( 'Caption' ); ?></strong></label><br />
 			<textarea class="widefat" name="excerpt" id="attachment_caption"><?php echo $post->post_excerpt; ?></textarea>
 		</p>
+	<?php if ( 'image' === substr( $post->post_mime_type, 0, 5 ) ) : ?>
 		<p>
 			<label for="attachment_alt"><strong><?php _e( 'Alternative Text' ); ?></strong></label><br />
 			<input type="text" class="widefat" name="_wp_attachment_image_alt" id="attachment_alt" value="<?php echo esc_attr( $alt_text ); ?>" />
 		</p>
 	</div>
 	<?php
-	// need a filter on this content
+	endif;
 }
 
 /**