This is odd. I did a Google search and found this:
https://stackoverflow.com/questions/221 ... -focusable
During my testing, I validate the HTML here:
https://validator.w3.org/
It is showing no validation errors, but some warnings like empty headers.
You might want to validate the HTML source of the edit subscribers page and see if any errors are happening.
The field user-xx-max_display_words is initially hidden. You have to press the + key for the appropriate row to make it visible.
Are any rows returned by your search query?
My guess is there is some sort of database inconsistency. It might be helpful to look at the underlying query. You could echo the $sql variable to the screen to see what it is, then run that outside of phpBB in phpMyAdmin to see what is returned.
https://github.com/MarkDHamill/digests/ ... #L345-L365
The username_clean column is the column search in the phpbb_users table. It is referenced inside the $member_sql variable.
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