This comes straight from this discussion: Removing a specific value - but only for a specific fileformat - #7 by Zerow
To recreate the bug:
1] Create a new Action Group
2] Add one-by-one these four Format Value
actions
$if($eql('TTA',$upper(%_EXTENSION%)),$repl(%TITLE%,' tta',' '),)
$if($eql('TTA',$upper(%_EXTENSION%)),$repl(%TITLE%,' TTA',' '),)
$if($eql('TTA',$lower(%_EXTENSION%)),$repl(%TITLE%,' tta',' '),)
$if($eql('TTA',$lower(%_EXTENSION%)),$repl(%TITLE%,' TTA',' '),)
3] OK
the creation
4] Go back to that new group
5] Double left-click or Edit
from the button these two actions
$if($eql('TTA',$upper(%_EXTENSION%)),$repl(%TITLE%,' TTA',' '),)
$if($eql('TTA',$lower(%_EXTENSION%)),$repl(%TITLE%,' TTA',' '),)
and see if the TTA
near the end is capitalized or in lower case
I on the list of actions within that group see them differentiated - but when I try to edit them, I do not get exactly what is visible on the list. And this also is true for other fragments of this code, e.g. when one of 4 actions had on the list _extension
but when I was editing I got _EXTENSION
- as if I was clicking the wrong action or it loaded up the wrong code
This group action still works as intended - it is just the editing of it that is messed up. I tried re-opening Mp3tag [3.12], but this bug is still there