Add missing "/" at the end of image tag in themes and wp-include files.

[Shital Patel]

wp-content/themes/twentyfourteen/inc/custom-header.php

<img src="<?php header_image(); ?>" alt="">

/wp-includes/media-template.php

<img class="crop-image" src="{{ data.url }}" alt="<?php esc_attr_e( 'Image crop area preview. Requires mouse interaction.' ); ?>">

wp-includes/SimplePie/Parser.php

<img src="'.$photo_list[$j].'">
<img src="'.$photo_list[0].'">

[akabarikalpesh]

I added "/". please check and let me know if any changes.

[SergeyBiryukov]

Thanks for the ticket and the patch!

As previously noted in comment:2:ticket:51077, SimplePie is an external library and should not be patched here, any suggested changes to its files should be submitted upstream: ​https://github.com/simplepie/simplepie.

[SergeyBiryukov]

In 51541:

Bundled Themes: Add / character to <img> tags.

While this has no effect on void elements in HTML5, it fixes a minor inconsistency with the rest of core.

Follow-up to [47493], [48834], [50556], [51473].

Props shital-patel, akabarikalpesh.
See #53870.

[SergeyBiryukov]

In 51542:

Media: Add / character to <img> tag in wp_print_media_templates().

While this has no effect on void elements in HTML5, it fixes a minor inconsistency with the rest of core.

Follow-up to [47493], [48834], [50556], [51473], [51541].

Props shital-patel, akabarikalpesh.
Fixes #53870.