New from a column's exec makes its scratch in the session's directory, as tagexec's does

A word run from a header runs in the session's directory (execDir), but
New named its scratch after the pane with the keyboard.

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

1 files changed, 3 insertions, 1 deletions

diff --git a/docs/fs.md b/docs/fs.md
index 5a4ece78..2f97661e 100644
--- a/docs/fs.md
+++ b/docs/fs.md
@@ -73,7 +73,9 @@ variable to know the mount is there, and takes the name from `$PARDES_9P`
 (`pardes-9p-<pid or NAME>.sock`). A new pane made through `pane/new` is a scratch named
 `<dir>/+New` until it is given a name, where `<dir>` is the session's
 directory (the one pardes started in), whichever pane last had the keyboard:
-no pane asked for it, as acme's new window has acme's directory. A column may hold no pane, as in acme:
+no pane asked for it, as acme's new window has acme's directory. So is a
+`New` written to a column's `exec` or to `/tagexec`, a word in a tag no
+pane owns. A column may hold no pane, as in acme:
 `Newcol` makes one empty, and closing a column's last pane leaves it empty
 with its tag holding the keyboard (`focus` reads empty) and logs only the
 `del`. `pane/new` places its pane as acme's makenewwindow(nil) does: in the