[wp-trac] [WordPress Trac] #54140: Display is broken when wp_text_diff() is used in the admin screen

[WordPress Trac]

#54140: Display is broken when wp_text_diff() is used in the admin screen
--------------------------+-----------------------------
 Reporter:  mt8.biz       |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:
 Severity:  normal        |   Keywords:
  Focuses:                |
--------------------------+-----------------------------
 If I use the following code, the output will be different between 5.6.5
 and later versions.

 {{{#!php
 <?php

 add_action( 'wp_dashboard_setup', function () {
         wp_add_dashboard_widget(
         'wp_text_diff_test',
         'Test of wp_text_diff()',
         function() {
             print wp_text_diff( 'a' , 'b' );
         }
     );
 });

 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/54140>
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