Add E: format to expand a format twice (useful to expand the value of an

option).

1 files changed, 6 insertions, 0 deletions

diff --git a/tmux.1 b/tmux.1
index 756ee964..3476a1ae 100644
--- a/tmux.1
+++ b/tmux.1
@@ -3713,6 +3713,12 @@ of the variable respectively.
 will escape
 .Xr sh 1
 special characters.
+.Ql E:
+will expand the format twice, for example
+.Ql #{E:status-left}
+is the result of expanding the content of the
+.Ic status-left
+option rather than the content itself.
 A prefix of the form
 .Ql s/foo/bar/:
 will substitute