Is your feature request related to a problem? Please describe.
When I add a search expression to an existing grep, the filtered text is not refreshed, as the newly added search expression is not in effect yet. But when I remove such an empty expression, the filtered text is refreshed, even though the filtered text cannot change.
Describe the solution you'd like
When I remove an empty search expression, the filtered text is not refreshed.
Is your feature request related to a problem? Please describe. When I add a search expression to an existing grep, the filtered text is not refreshed, as the newly added search expression is not in effect yet. But when I remove such an empty expression, the filtered text is refreshed, even though the filtered text cannot change.
Describe the solution you'd like When I remove an empty search expression, the filtered text is not refreshed.
Additional context