function add_more_buttons($buttons){
$buttons[]='subscript';
$buttons[]='superscript';
return$buttons;
}
add_filter("mce_buttons_3","add_more_buttons");
You can add <sup> and <sub> formatting in the editor by including this function in the functions.php file of your theme (or child theme). I'm adding this snippet, as I did some searching (needing to add this myself), and found incorrect instructions in several places.
Perhaps it's changed in a core update, but several people mention the solution as such:
$buttons[]='sub';
While I have discovered that it needs to be written out, complete:
$buttons[]='subscript';
The filter: "mce_buttons_3" places these buttons on a third line of icons, in the editor. You can add them to the (default) 2nd line of icons by changing it to: "mce_buttons_2"
Perhaps it's changed in a core update, but several people mention the solution as such:
$buttons[]='sub';
While I have discovered that it needs to be written out, complete:
$buttons[]='subscript';
The filter: "mce_buttons_3" places these buttons on a third line of icons, in the editor. You can add them to the (default) 2nd line of icons by changing it to: "mce_buttons_2"
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