nested + pardes: snapshot updates and small behavior fixes across panes

1 files changed, 9 insertions, 7 deletions

diff --git a/docs/macos.md b/docs/macos.md
index 5e5f13e3..be110532 100644
--- a/docs/macos.md
+++ b/docs/macos.md
@@ -323,13 +323,15 @@ document, so focus landing on one clears the icon and puts the title back to
 icon: they are real paths, and a proxy icon is about the file, not about who
 may edit it.
 
-The dirty half needed the one core change in all of this. `File` counted
-`revision` but never recorded which edit was last *written*, so no shell could
-derive "unsaved" — `File.saved_revision` is that watermark, set by `Save` at
-the moment the write is asked for. Nothing in the core renders it and no other
-shell reads it; it exists because a windowed host has somewhere to put the
-answer. It is marked at ask-time rather than on completion because `save_file`
-carries none back, which makes it exactly as honest as the tagline already was.
+The dirty half needed one core watermark. `File` counted `revision` but never
+recorded which edit was last *written*, so no shell could derive "unsaved" —
+`File.saved_revision` is that watermark, advanced by `Save` at the moment the
+write is asked for and by a successful external-file reload whose bytes
+already came from disk. The core renders the same answer as ` *` after the
+path in every tagline, while this host also puts it in the native close button.
+Save is marked at ask-time rather than on completion because `save_file`
+carries none back, which makes both indicators exactly as honest as the Save
+request.
 
 ## The menu bar, and the chords the core never sees