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-rw-r--r--tmux.112
1 files changed, 9 insertions, 3 deletions
diff --git a/tmux.1 b/tmux.1
index 112f5392..45eb83b2 100644
--- a/tmux.1
+++ b/tmux.1
@@ -1403,7 +1403,9 @@ specifies the initial sort order: one of
or
.Ql activity .
.Fl f
-specifies an initial filter.
+specifies an initial filter: the filter is a format - if it evaluates to zero,
+the item in the list is not shown, otherwise it is shown.
+If a filter would lead to an empty list, it is ignored.
.Fl F
specifies the format for each item in the list.
.Fl N
@@ -1460,7 +1462,9 @@ specifies the initial sort order: one of
or
.Ql time .
.Fl f
-specifies an initial filter.
+specifies an initial filter: the filter is a format - if it evaluates to zero,
+the item in the list is not shown, otherwise it is shown.
+If a filter would lead to an empty list, it is ignored.
.Fl F
specifies the format for each item in the tree.
.Fl N
@@ -4111,7 +4115,9 @@ specifies the initial sort order: one of
or
.Ql size .
.Fl f
-specifies an initial filter.
+specifies an initial filter: the filter is a format - if it evaluates to zero,
+the item in the list is not shown, otherwise it is shown.
+If a filter would lead to an empty list, it is ignored.
.Fl F
specifies the format for each item in the list.
.Fl N