Adjacent performer formatting can be merged.
The same performer style ends and immediately starts again on the next line. Keep one wrapper around the continuous passage to minimize formatting markers.
Example
[Verse: A & <i>B</i>]
<i>First</i>
<i>Second</i>[Verse: A & <i>B</i>]
<i>First
Second</i>The fix
In the workbench this finding carries one control, labelled Merge adjacent formatting. The fix is classified as safe, so pressing it applies the edit directly — one press, one undo step.
Source
The guideline this rule enforces, as cited on every finding it reports:
Use song part headers verified Section headers, performer legends, and four differentiation styles