2 replaced http://wordpress.stackexchange.com/ with https://wordpress.stackexchange.com/
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First I'd like to re-iterate @userabuser. You should never edit the core files of WordPress. In fact, you should avoid editing plug-ins and themes (use a child-theme instead) since changes are lost on an update, and you should update!

I would follow the method outlined in these questions:

and de-register the existing metabox used (I think as @userabuser uses, the ID is #tagsdiv-post_tag). Then re-register it, allowing you to create a function which defines its insides as explained in the above posts.

For your purposes however, the function you want to mimic is post_tags_meta_box(), found here: http://core.trac.wordpress.org/browser/tags/3.3/wp-admin/includes/meta-boxes.php#L265

Simply use the contents of that function in your own custom call back, and edit to display your messages.

First I'd like to re-iterate @userabuser. You should never edit the core files of WordPress. In fact, you should avoid editing plug-ins and themes (use a child-theme instead) since changes are lost on an update, and you should update!

I would follow the method outlined in these questions:

and de-register the existing metabox used (I think as @userabuser uses, the ID is #tagsdiv-post_tag). Then re-register it, allowing you to create a function which defines its insides as explained in the above posts.

For your purposes however, the function you want to mimic is post_tags_meta_box(), found here: http://core.trac.wordpress.org/browser/tags/3.3/wp-admin/includes/meta-boxes.php#L265

Simply use the contents of that function in your own custom call back, and edit to display your messages.

First I'd like to re-iterate @userabuser. You should never edit the core files of WordPress. In fact, you should avoid editing plug-ins and themes (use a child-theme instead) since changes are lost on an update, and you should update!

I would follow the method outlined in these questions:

and de-register the existing metabox used (I think as @userabuser uses, the ID is #tagsdiv-post_tag). Then re-register it, allowing you to create a function which defines its insides as explained in the above posts.

For your purposes however, the function you want to mimic is post_tags_meta_box(), found here: http://core.trac.wordpress.org/browser/tags/3.3/wp-admin/includes/meta-boxes.php#L265

Simply use the contents of that function in your own custom call back, and edit to display your messages.

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First I'd like to re-iterate @userabuser. You should never edit the core files of WordPress. In fact, you should avoid editing plug-ins and themes (use a child-theme instead) since changes are lost on an update, and you should update!

I would follow the method outlined in these questions:

and de-register the existing metabox used (I think as @userabuser uses, the ID is #tagsdiv-post_tag). Then re-register it, allowing you to create a function which defines its insides as explained in the above posts.

For your purposes however, the function you want to mimic is post_tags_meta_box(), found here: http://core.trac.wordpress.org/browser/tags/3.3/wp-admin/includes/meta-boxes.php#L265

Simply use the contents of that function in your own custom call back, and edit to display your messages.