Commit Graph

41900 Commits

Author SHA1 Message Date
Sergey Biryukov
371dbf6dcf Docs: Miscellaneous DocBlock corrections.
See #49572.
Built from https://develop.svn.wordpress.org/trunk@48365


git-svn-id: http://core.svn.wordpress.org/trunk@48134 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-07 09:30:04 +00:00
Sergey Biryukov
156fcc21be Docs: Improve DocBlocks in wp-includes/nav-menu-template.php per the documentation standards.
See #49572.
Built from https://develop.svn.wordpress.org/trunk@48364


git-svn-id: http://core.svn.wordpress.org/trunk@48133 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-07 09:28:01 +00:00
Sergey Biryukov
adb9f003ed Site Health: Correct translator comment for the message displayed after clicking "remind me later" on the admin email confirmation.
Adjust the logic for displaying the message for better readability.

Follow-up to [48359].

See #48333.
Built from https://develop.svn.wordpress.org/trunk@48363


git-svn-id: http://core.svn.wordpress.org/trunk@48132 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-07 09:20:02 +00:00
Andrea Fercia
b7ed7cb184 Administration: Fix typo in forms.css after [46866].
A stray `e` made browsers ignore a CSS ruleset preventing select elements from changing color on hover.

Props ryokuhi.
See #48420.
Fixes #50580.

Built from https://develop.svn.wordpress.org/trunk@48362


git-svn-id: http://core.svn.wordpress.org/trunk@48131 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-07 07:05:03 +00:00
whyisjake
ad1c6c9586 REST API: Trigger _doing_it_wrong() if wp_send_json() is used on a REST API request
In addition to triggering the `_doing_it_wrong()` logging, also adds a `X-WP-DoingItWrong` header.

Fixes #36271.

Props rmccue, TimothyBlynJacobs.


Built from https://develop.svn.wordpress.org/trunk@48361


git-svn-id: http://core.svn.wordpress.org/trunk@48130 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-07 05:01:07 +00:00
whyisjake
93b69e27d4 Administration: Ensure that disabled buttons look disabled.
This change removes the disabled state from the admin scheme specific styles.

Fixes #48709.

Props drw158, SergeyBiryukov, afercia, kennethroberson5556, melchoyce, joedolson, valentinbora, audrasjb, larrach, nrqsnchz, youknowriad.


Built from https://develop.svn.wordpress.org/trunk@48360


git-svn-id: http://core.svn.wordpress.org/trunk@48129 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-07 04:21:07 +00:00
whyisjake
aad1fa48ea Site Health: Ensure that the user will be notified after a successful snooze action.
After clicking remind me later, the user is shown an admin notification.

Fixes #48333.

Props desrosj, sathyapulse, Clorith, azaozz, audrasjb, afragen, whyisjake.
 

Built from https://develop.svn.wordpress.org/trunk@48359


git-svn-id: http://core.svn.wordpress.org/trunk@48128 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-07 03:59:02 +00:00
whyisjake
6542769c56 Coding standards: Fix a few phpcs errors to get tests passing.
See [48356], #43517.

Built from https://develop.svn.wordpress.org/trunk@48358


git-svn-id: http://core.svn.wordpress.org/trunk@48127 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-07 03:55:02 +00:00
TimothyBlynJacobs
d76e635459 REST API: Add support for the uniqueItems keyword.
Props sorenbronsted.
Fixes #48821.

Built from https://develop.svn.wordpress.org/trunk@48357


git-svn-id: http://core.svn.wordpress.org/trunk@48126 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-07 03:22:03 +00:00
whyisjake
49d23a2bbe Taxonomy: Add support for default terms for custom taxonomies.
The new default_term argument is added to `register_taxonomy()` allowing a user to define the default term `name` and optionally `slug` and `description`. 

Fixes #43517.

Props enrico.sorcinelli, SergeyBiryukov, desrosj, davidbaumwald, whyisjake.


Built from https://develop.svn.wordpress.org/trunk@48356


git-svn-id: http://core.svn.wordpress.org/trunk@48125 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-07 00:55:03 +00:00
whyisjake
a7ad4e288e Bundled theme: Ensure appropriate title for author archives for that don't have posts.
Rather then displaying `Author: `, show `Nothing Found`.

Fixes #50421.

Props SGr33n, williampatton, ianbelanger, rebasaurus, priyomukul, virginienacci, audrasjb.


Built from https://develop.svn.wordpress.org/trunk@48355


git-svn-id: http://core.svn.wordpress.org/trunk@48124 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 23:12:03 +00:00
whyisjake
216ea50a03 Coding Standards: Add newlines to package files.
See [48353].


Built from https://develop.svn.wordpress.org/trunk@48354


git-svn-id: http://core.svn.wordpress.org/trunk@48123 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 23:03:05 +00:00
whyisjake
8dfe21b246 Coding standards: Revert the changes from [48352] to package.json and package-lock.json.
These changes were included accidentally. 

See [48352].

Unprops: whyisjake.

Built from https://develop.svn.wordpress.org/trunk@48353


git-svn-id: http://core.svn.wordpress.org/trunk@48122 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 22:09:19 +00:00
whyisjake
81b809e3d6 Administration: Move more table strings to sentence casing.
WordPress as a project has moved largely to sentence casing for UI elements in the admin. This commit moves several string$

* Move to trash
* Mark as spam
* Permanently delete comment
* Approve comment
* In response to
* Bulk actions
* Not spam
* Sumitted on
* Delete permanently
* Add media
* Upload files
* Upload images
* Add media
* Bulk select
* Restore from trash
* Search media
* Attachment details
* Create gallery
* Edit gallery
* Cancel gallery
* Add to gallery
* Image details
* Replace image
* Cancel edit
* Edit image
* Choose image
* Select and crop
* Skip cropping
* Crop image
* Audio details
* Replace audio
* Add audio source
* Video details
* Replace video
* Add video source
* Select poster image
* Add subtitles
* Create audio playlist
* Edit audio playlist.
* Cancel audio playlist
* Create video playlist
* Edit video playlist
* Add to video playlist
* Filter media


Fixes #40244.
Props afercia, bhargavbhandari90, rcutmore, webzunft, manojlovic, jeremyfelt, desrosj, lschuyler, SergeyBiryukov, whyisjake. 


Built from https://develop.svn.wordpress.org/trunk@48352


git-svn-id: http://core.svn.wordpress.org/trunk@48121 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 21:52:21 +00:00
Dominik Schilling
93662e1d32 I18N: Fix typo in [48348].
Props swizzzpidy.
See #50578.
Built from https://develop.svn.wordpress.org/trunk@48351


git-svn-id: http://core.svn.wordpress.org/trunk@48120 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 21:34:04 +00:00
Dominik Schilling
3d95a45675 I18N: Use wp.i18n for translatable strings in wp-admin/js/tags-box.js and wp-admin/js/tags-suggest.js.
This removes the usage of `wp_localize_script()` for passing translations to the script and instead adds the translatable strings in the script directly through the use of `wp.i18n` and its utilities.

Props swissspidy, ocean90.
See #20491.
Fixes #50579.
Built from https://develop.svn.wordpress.org/trunk@48350


git-svn-id: http://core.svn.wordpress.org/trunk@48119 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 21:00:03 +00:00
Andrea Fercia
04921ffd45 Accessibility: Widgets: Add theme support to make widgets output list of links wrapped within a <nav> element.
Widgets that output list of links can now be wrapped within `<nav>` elements to improve semantics and accessibility.

The `<nav>` elements are also native landmark regions, which helps assistive technology users to navigate through them. Themes can opt-in to this new behavior by declaring support for the new `html5` feature `navigation-widgets`.

Props joedolson, simonjanin, audrasjb, afercia.
Fixes #48170.

Built from https://develop.svn.wordpress.org/trunk@48349


git-svn-id: http://core.svn.wordpress.org/trunk@48118 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 20:44:02 +00:00
Dominik Schilling
1145607a85 I18N: Use wp.i18n for translatable strings in wp-admin/js/edit-comments.js.
This removes the usage of `wp_localize_script()` for passing translations to the script and instead adds the translatable strings in the script directly through the use of `wp.i18n` and its utilities.

Props swissspidy, ocean90.
See #20491.
Fixes #50578.
Built from https://develop.svn.wordpress.org/trunk@48348


git-svn-id: http://core.svn.wordpress.org/trunk@48117 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 20:17:02 +00:00
Dominik Schilling
31d93c553a I18N: Use wp.i18n for translatable strings in wp-admin/js/tags.js.
This removes the usage of `wp_localize_script()` for passing translations to the script and instead adds the translatable strings in the script directly through the use of `wp.i18n` and its utilities.

Props swissspidy, ocean90.
See #20491.
Fixes #50577.
Built from https://develop.svn.wordpress.org/trunk@48347


git-svn-id: http://core.svn.wordpress.org/trunk@48116 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 19:47:03 +00:00
Dominik Schilling
163e0ac228 I18N: Use wp.i18n for translatable strings in wp-admin/js/theme-plugin-editor.js.
This removes the usage of `wp_localize_script()` for passing translations to the script and instead adds the translatable strings in the script directly through the use of `wp.i18n` and its utilities.

Fixes #50576.
Built from https://develop.svn.wordpress.org/trunk@48346


git-svn-id: http://core.svn.wordpress.org/trunk@48115 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 19:35:07 +00:00
desrosj
bc7de32645 Coding Standards: Correct two coding standards issues introduced in [48277] and [48334].
See #50504, #50550.
Built from https://develop.svn.wordpress.org/trunk@48345


git-svn-id: http://core.svn.wordpress.org/trunk@48114 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 19:23:02 +00:00
desrosj
77af0e5982 Docs: Correct instances of “auto update” with “auto-update” for consistency.
See #49572.
Built from https://develop.svn.wordpress.org/trunk@48344


git-svn-id: http://core.svn.wordpress.org/trunk@48113 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 19:15:03 +00:00
desrosj
ef0881750c Docs: Correct typo introduced in [48288].
See #42775.
Built from https://develop.svn.wordpress.org/trunk@48343


git-svn-id: http://core.svn.wordpress.org/trunk@48112 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 19:10:02 +00:00
youknowriad
1fd50f7b2d Administration: Adapts the secondary buttons colors to the admin schemes.
The admin schemes that don't meet the contrast guidelines are excluded from this change.

Props mapk, michaelarestad, mcsf, ocean90.
Closes #50537.

Built from https://develop.svn.wordpress.org/trunk@48342


git-svn-id: http://core.svn.wordpress.org/trunk@48111 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 19:00:04 +00:00
Sergey Biryukov
ecd07ddada Tests: Temporarily skip PDF tests if they fail due to ImageMagick permission errors.
See #50573.
Built from https://develop.svn.wordpress.org/trunk@48341


git-svn-id: http://core.svn.wordpress.org/trunk@48110 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 18:22:02 +00:00
Andrea Fercia
454dab13c1 Accessibility: Administration: Improve the sortable postboxes areas on the Dashboard and Classic Editor pages.
- makes the postboxes areas in the Dashboard visible also on large screens 
- uses a more meaningful text when all postboxes areas are empty instead of "Drag boxes here"
- restores the ability to drag boxes to the "advanced" area in the Classic Editor page
- makes the postboxes areas in the Classic Editor page visible while dragging so that users have a clue what the available areas are
- improves the color contrast of the postboxes areas while dragging
- uses `wp.i18n` for translatable strings in `wp-admin/js/postbox.js`

Props xkon, karmatosed, audrasjb, ocean90, joedolson, afercia, azaozz.
See #20491.
Fixes #49288, #47541.

Built from https://develop.svn.wordpress.org/trunk@48340


git-svn-id: http://core.svn.wordpress.org/trunk@48109 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 18:03:02 +00:00
Sergey Biryukov
5ad2cf365e Coding Standards: Fix JSHint issue in js/_enqueues/lib/auth-check.js
See #49573.
Built from https://develop.svn.wordpress.org/trunk@48339


git-svn-id: http://core.svn.wordpress.org/trunk@48108 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 16:27:02 +00:00
Sergey Biryukov
b99cce4e7a Tests: Add some assertions to PDF tests for better debugging.
Props enrico.sorcinelli.
See #50573.
Built from https://develop.svn.wordpress.org/trunk@48338


git-svn-id: http://core.svn.wordpress.org/trunk@48107 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 16:16:02 +00:00
Andrew Ozz
b93b409976 Heartbeat: Do not disable the login prompts when the user needs to log in again but has closed the log in modal. Add a 5 minutes timeout before asking them to log in again.
Props dsixinetu, adamsilverstein, azaozz.
Fixes #49573.
Built from https://develop.svn.wordpress.org/trunk@48337


git-svn-id: http://core.svn.wordpress.org/trunk@48106 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 16:14:04 +00:00
youknowriad
f867b02772 Block Editor: Requires title and content when registering block patterns.
Props poena.
See #50550.

Built from https://develop.svn.wordpress.org/trunk@48336


git-svn-id: http://core.svn.wordpress.org/trunk@48105 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 12:04:02 +00:00
youknowriad
4fa05e90e8 Block Editor: Remove the Testimonials block pattern.
This ensures we have the same patterns used in the Gutenberg plugin.

Props poena.
See #50550.

Built from https://develop.svn.wordpress.org/trunk@48335


git-svn-id: http://core.svn.wordpress.org/trunk@48104 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 11:19:04 +00:00
youknowriad
777872bdb1 Block Editor: Add the initial set of block patterns.
Included patterns:

text-two-columns
two-buttons
two-images
text-two-columns-with-images
text-three-columns-buttons
large-header
large-header-paragraph
three-buttons
quote
testimonials

Props mcsf, nrqsnchz.
See #50550.

Built from https://develop.svn.wordpress.org/trunk@48334


git-svn-id: http://core.svn.wordpress.org/trunk@48103 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 10:50:02 +00:00
Sergey Biryukov
c69101301b Tests: Correct hardcoded "3 months ago" assertion in tests/rest-api/rest-block-directory-controller.php.
Now that more than 3 months have passed since 2020-03-23, this was causing test failures.

Follow-up to [48242].

See #50321.
Built from https://develop.svn.wordpress.org/trunk@48333


git-svn-id: http://core.svn.wordpress.org/trunk@48102 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 09:51:03 +00:00
youknowriad
82487d4b29 Administration: Fix link colors for admin schemes that personalize it using the $link SASS variable.
The new "moderne" admin scheme color personalizes the link color using the $link SASS variable.
The link color doesn't apply consistently in the admin to all links, especiall button links.

Fixes #50536.

Built from https://develop.svn.wordpress.org/trunk@48332


git-svn-id: http://core.svn.wordpress.org/trunk@48101 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 09:25:02 +00:00
Sergey Biryukov
234d0aff5c Coding Standards: Fix WPCS issues in tests/media.php.
See #50543.
Built from https://develop.svn.wordpress.org/trunk@48331


git-svn-id: http://core.svn.wordpress.org/trunk@48100 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 09:19:05 +00:00
Sergey Biryukov
8a815f22e7 Privacy: Simplify the logic for updating the meta values for personal data export requests from absolute to relative paths.
Follow-up to [48127].

See #44038.
Built from https://develop.svn.wordpress.org/trunk@48330


git-svn-id: http://core.svn.wordpress.org/trunk@48099 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-06 00:34:04 +00:00
Andrew Ozz
08dbc4c3bb Media:
- Introduce `wp_image_file_matches_image_meta()` utility function to check whether the image meta (retrieved by attachment ID) matches an image path or URI. A mismatch may happen in some cases, for example after the posts have been exported from one website and imported in another.
- Add unit tests for the new function.
- Improve `wp_image_src_get_dimensions()` a bit and use the new function to prevent these edge cases.

Fixes #50543.
Built from https://develop.svn.wordpress.org/trunk@48329


git-svn-id: http://core.svn.wordpress.org/trunk@48098 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-05 23:32:03 +00:00
Sergey Biryukov
4e3bad1770 Query: Make sure the found_posts property of WP_Query is always an integer, to match the documented type.
This makes the property consistent with similar properties of other classes:
* `WP_Comment_Query::$found_comments`
* `WP_Network_Query::$found_networks`
* `WP_Site_Query::$found_sites`
* `WP_User_Query::$total_users`

Props birgire, PressLabs.
Fixes #42469.
Built from https://develop.svn.wordpress.org/trunk@48328


git-svn-id: http://core.svn.wordpress.org/trunk@48097 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-05 21:34:02 +00:00
Sergey Biryukov
69e7e7681b Plugins: Consistently use an empty string as the default value for $replacement and $message parameters in:
* `_deprecated_function()`
* `_deprecated_constructor()`
* `_deprecated_file()`
* `_deprecated_argument()`
* `_deprecated_hook()`
* `apply_filters_deprecated()`
* `do_action_deprecated()`

This matches the documented type of `string` for these parameters and removes unnecessarily strict `! is_null()` checks.

Follow-up to [46792].

Props jignesh.nakrani, renathoc, SergeyBiryukov.
Fixes #49698.
Built from https://develop.svn.wordpress.org/trunk@48327


git-svn-id: http://core.svn.wordpress.org/trunk@48096 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-05 21:09:03 +00:00
Sergey Biryukov
87f464c283 Plugins: Use include_once instead of include in uninstall_plugin(), in case the plugin file is already included.
Props valchovski, pcfreak30.
Fixes #47796.
Built from https://develop.svn.wordpress.org/trunk@48326


git-svn-id: http://core.svn.wordpress.org/trunk@48095 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-05 20:32:03 +00:00
Sergey Biryukov
514ba95009 Docs: Fix typos in comments in tests/dependencies/jquery.php.
Props hareesh-pillai.
See #49572.
Built from https://develop.svn.wordpress.org/trunk@48325


git-svn-id: http://core.svn.wordpress.org/trunk@48094 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-05 20:29:00 +00:00
Andrew Ozz
e0d2307ec5 Build/Test Tools: update PHPUnit tests after [48323]. Disable and keep the specific jQuery Migrate dependency tests for use in WP 5.6.
See #37110.
Built from https://develop.svn.wordpress.org/trunk@48324


git-svn-id: http://core.svn.wordpress.org/trunk@48093 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-05 19:24:08 +00:00
Andrew Ozz
bc54b15893 External Libraries: First step of updating jQuery. Disable jQuery Migrate 1.4.1, keep jQuery at 1.12.4-wp, and UI at 1.11.4. Also keep the jquery-core script handle for full backwards compatibility.
Props jorbin, adamsilverstein, westonruter, retlehs, pento, onokazu, galbaras, netweb, zakkath, dmethvin, LittleBigThing, markgoho, iandunn, remzicavdar, bigcloudmedia, jacklinkers, levdbas, a4jpcom, azaozz.

See #37110.
Built from https://develop.svn.wordpress.org/trunk@48323


git-svn-id: http://core.svn.wordpress.org/trunk@48092 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-05 18:28:04 +00:00
Sergey Biryukov
f14f0c1ddf XML-RPC: Explicitly unset the reference to the parser resource after calling xml_parser_free() to avoid memory leaks in PHP 7.0.0 or higher.
Props procifer, ayeshrajans.
Fixes #49700.
Built from https://develop.svn.wordpress.org/trunk@48322


git-svn-id: http://core.svn.wordpress.org/trunk@48091 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-05 15:22:01 +00:00
Sergey Biryukov
b0703f3749 Options, Meta APIs: Introduce register_setting and unregister_setting actions.
Props Howdy_McGee, Pionect.
Fixes #37245.
Built from https://develop.svn.wordpress.org/trunk@48321


git-svn-id: http://core.svn.wordpress.org/trunk@48090 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-05 15:07:06 +00:00
Sergey Biryukov
93abb3b3d0 Docs: Improve documentation for various option functions.
Props andfinally, david.binda, SergeyBiryukov.
Fixes #49566.
Built from https://develop.svn.wordpress.org/trunk@48320


git-svn-id: http://core.svn.wordpress.org/trunk@48089 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-05 14:46:03 +00:00
Dominik Schilling
310db57c48 Administration: Add delete_count to wp_removable_query_args().
It's a single-use URL parameter that does not need to be passed to canonical URLs in the admin.

Props opurockey.
Fixes #50464.
Built from https://develop.svn.wordpress.org/trunk@48319


git-svn-id: http://core.svn.wordpress.org/trunk@48088 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-05 13:57:03 +00:00
Dominik Schilling
56afcf2d68 Posts: Provide a HiDPI version for the avatar used in post locked dialogs.
Props wpdesk, audrasjb, ocean90.
Fixes #39633.
Built from https://develop.svn.wordpress.org/trunk@48318


git-svn-id: http://core.svn.wordpress.org/trunk@48087 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-05 13:00:07 +00:00
Sergey Biryukov
618eeabba8 Tests: Remove ja_JP locale from Tests_DB::test_locale_floats().
This test is only relevant for locales using a comma as a decimal separator, while `ja_JP` uses a dot.

Props gh640, johnjamesjacoby, SergeyBiryukov.
Fixes #49690.
Built from https://develop.svn.wordpress.org/trunk@48317


git-svn-id: http://core.svn.wordpress.org/trunk@48086 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-05 12:52:04 +00:00
Sergey Biryukov
201c7fbf97 Administration: Bring the update nag in line with other admin notices.
In addition to more consistent display, this gives it a visible border on the About page.

Props desrosj, nikhilbhansi, afercia, SergeyBiryukov.
Fixes #50372.
Built from https://develop.svn.wordpress.org/trunk@48316


git-svn-id: http://core.svn.wordpress.org/trunk@48085 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-07-05 11:57:04 +00:00