A command run from a column's tag gets its pane in that column

A command from a column's tag ran in a command pane at the foot of the
last column, however far from the tag, and could reuse a finished one
anywhere. It now goes to the tag's column, under both placements, and
reuses only a finished command pane in that column.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

1 files changed, 3 insertions, 1 deletions

diff --git a/docs/tags.md b/docs/tags.md
index 2cd3f16b..3db7f465 100644
--- a/docs/tags.md
+++ b/docs/tags.md
@@ -273,7 +273,9 @@ never into a new column:
 - `New` goes into its own column, the bottom half of its last pane
   (look.c:921-923);
 - a command pane or a `+Errors` pane goes to the last column, the bottom
-  half of its last pane (util.c:94-98).
+  half of its last pane (util.c:94-98); a command run from a column's tag
+  goes to that column instead, and reuses a finished command pane only in
+  that column.
 
 `Placement pardes` is what pardes did before: an empty column whose tag asked,
 or has the keyboard, is filled; a scratch goes right under the pane that asked;